71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

edefdc20eedaf9ef5b1293e56ba9b8cca7b5c740vboxsync#define LOG_GROUP LOG_GROUP_SUP_DRV

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync#define SUPDRV_AGNOSTIC

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync#include "SUPDrvInternal.h"

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync#include <VBox/err.h>

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync#include <VBox/log.h>

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync#include <VBox/VBoxTpG.h>

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync#include <iprt/assert.h>

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync#include <iprt/ctype.h>

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync#include <iprt/list.h>

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync#include <iprt/mem.h>

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync#include <iprt/semaphore.h>

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync#include <iprt/thread.h>

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsynctypedef struct SUPDRVTPPROVIDER

b304856b23107864c9c594a80cebca6006623f31vboxsync{

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync /** The entry in the provider list for this image. */

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync RTLISTNODE ListEntry;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync /** The core structure. */

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync SUPDRVVDTPROVIDERCORE Core;

8fdb854581fe3cb394d84835dc09b02e6e18d4edvboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync /** Pointer to the image this provider resides in. NULL if it's a

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync PSUPDRVLDRIMAGE pImage;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync /** The session this provider is associated with if registered via

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync PSUPDRVSESSION pSession;

1bf151411167b02ebdc6d6a18de8b97030341e1fvboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync /** Used to indicate that we've called pfnProviderDeregistered already and it

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync bool fZombie;

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync /** Set if the provider has been successfully registered with the

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync bool fRegistered;

9353e321b583ed6f2b42414257a5212885575b5cvboxsync /** The provider name (for logging purposes). */

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync char szName[1];

9353e321b583ed6f2b42414257a5212885575b5cvboxsync} SUPDRVTPPROVIDER;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsynctypedef SUPDRVTPPROVIDER *PSUPDRVTPPROVIDER;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync#ifdef DEBUG_bird

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync# define LOG_TRACER(a_Args) SUPR0Printf a_Args

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync#else

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync# define LOG_TRACER(a_Args) do { } while (0)

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync#endif

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsyncPFNRT g_pfnSupdrvProbeFireKernel = supdrvTracerProbeFireStub;

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsyncstatic int supdrvVtgValidateString(const char *psz)

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync{

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync size_t off = 0;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync while (off < _4K)

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync {

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync char const ch = psz[off++];

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync if (!ch)

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync return VINF_SUCCESS;

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync if ( !RTLocCIsAlNum(ch)

62a515eec8de1b7804ec6997c0f2013fef5c5a6bvboxsync && ch != ' '

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync && ch != '_'

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync && ch != '-'

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync && ch != '('

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync && ch != ')'

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync && ch != ','

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync && ch != '*'

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync && ch != '&'

19cb1f8699e352d590c4946caee33863a5157241vboxsync )

19cb1f8699e352d590c4946caee33863a5157241vboxsync {

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync /*RTAssertMsg2("off=%u '%s'\n", off, psz);*/

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync return VERR_SUPDRV_VTG_BAD_STRING;

67ee25dd0b63a61dc35a35d0aade75ca6cd06350vboxsync }

67ee25dd0b63a61dc35a35d0aade75ca6cd06350vboxsync }

67ee25dd0b63a61dc35a35d0aade75ca6cd06350vboxsync return VERR_SUPDRV_VTG_STRING_TOO_LONG;

67ee25dd0b63a61dc35a35d0aade75ca6cd06350vboxsync}

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

3933885bc0c2c93436d858a14564c6179ec72872vboxsyncstatic int supdrvVtgValidate(PVTGOBJHDR pVtgHdr, size_t cbVtgObj, const uint8_t *pbImage, size_t cbImage)

cc74f15083bf80fbc96723a89faa06c15d0dead8vboxsync{

a72b5355eb89aafe6bfcc8912cf02645d7cccceavboxsync uintptr_t cbTmp;

a72b5355eb89aafe6bfcc8912cf02645d7cccceavboxsync uintptr_t offTmp;

3933885bc0c2c93436d858a14564c6179ec72872vboxsync uintptr_t i;

6e25221ce8ef8e656d1e15eb7ec5cf8ae758ceb2vboxsync uintptr_t cProviders;

3933885bc0c2c93436d858a14564c6179ec72872vboxsync int rc;

3933885bc0c2c93436d858a14564c6179ec72872vboxsync

3933885bc0c2c93436d858a14564c6179ec72872vboxsync if (!pbImage || !cbImage)

3933885bc0c2c93436d858a14564c6179ec72872vboxsync {

9ca017ceee656f9d33f2cb6652e401b5f17fcfb7vboxsync pbImage = NULL;

3933885bc0c2c93436d858a14564c6179ec72872vboxsync cbImage = 0;

e2760cdc84c692bc46cfaf5018d313db2f122acavboxsync }

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync#define MY_VALIDATE_PTR(p, cb, cMin, cMax, cbUnit, rcBase) \

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync do { \

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync if ( (cb) >= cbVtgObj \

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync || (uintptr_t)(p) - (uintptr_t)pVtgHdr > cbVtgObj - (cb) ) \

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync { \

ad9e5a61fea617d40d07390ff1737277d6aef869vboxsync SUPR0Printf("supdrvVtgValidate: " #rcBase "_TOO_PTR - p=%p cb=%#zx pVtgHdr=%p cbVtgHdr=%#zu line=%u %s\n", \

23d9dbdaf1b83107abf9882246a4a46933f733efvboxsync p, (size_t)(cb), pVtgHdr, cbVtgObj, __LINE__, #p); \

a9315925c69e4c3bb342bb317ca5b6d29e1ee467vboxsync return rcBase ## _PTR; \

a9315925c69e4c3bb342bb317ca5b6d29e1ee467vboxsync } \

a9315925c69e4c3bb342bb317ca5b6d29e1ee467vboxsync if ((cb) < (cMin) * (cbUnit)) \

dbabc9de5bf52ce5eb77cf82b038e9a6166c5a04vboxsync { \

4090390866c02d5d0ad061151cdb298b9a173e86vboxsync SUPR0Printf("supdrvVtgValidate: " #rcBase "_TOO_FEW - cb=%#zx cMin=%#zx cbUnit=%#zx line=%u %s\n", \

4090390866c02d5d0ad061151cdb298b9a173e86vboxsync (size_t)(cb), (size_t)(cMin), (size_t)cbUnit, __LINE__, #p); \

40dce69ff1c2949a489337922f30f1021d62d864vboxsync return rcBase ## _TOO_FEW; \

40dce69ff1c2949a489337922f30f1021d62d864vboxsync } \

40dce69ff1c2949a489337922f30f1021d62d864vboxsync if ((cb) >= (cMax) * (cbUnit)) \

40dce69ff1c2949a489337922f30f1021d62d864vboxsync { \

40dce69ff1c2949a489337922f30f1021d62d864vboxsync SUPR0Printf("supdrvVtgValidate: " #rcBase "_TOO_MUCH - cb=%#zx cMax=%#zx cbUnit=%#zx line=%u %s\n", \

657b2c9f6d33f08001e5fa6f6e0572dcf0391013vboxsync (size_t)(cb), (size_t)(cMax), (size_t)cbUnit, __LINE__, #p); \

7a29aa5ce149ccd344a2929d2815b8e212690b92vboxsync return rcBase ## _TOO_MUCH; \

45a01ef53b009e9f56ce427bd8688da02ad32389vboxsync } \

45a01ef53b009e9f56ce427bd8688da02ad32389vboxsync if ((cb) / (cbUnit) * (cbUnit) != (cb)) \

45a01ef53b009e9f56ce427bd8688da02ad32389vboxsync { \

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync SUPR0Printf("supdrvVtgValidate: " #rcBase "_NOT_MULTIPLE - cb=%#zx cbUnit=%#zx line=%u %s\n", \

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync (size_t)(cb), (size_t)cbUnit, __LINE__, #p); \

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync return rcBase ## _NOT_MULTIPLE; \

7708252d252a55417a6a817041e4356797e34255vboxsync } \

5a41049c24bcf93e3dc63c76bee23db645867e0cvboxsync } while (0)

62ab017295981c81484e5a5f93ff8b5f85f7defbvboxsync#define MY_WITHIN_IMAGE(p, rc) \

62ab017295981c81484e5a5f93ff8b5f85f7defbvboxsync do { \

7708252d252a55417a6a817041e4356797e34255vboxsync if (pbImage) \

7708252d252a55417a6a817041e4356797e34255vboxsync { \

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync if ((uintptr_t)(p) - (uintptr_t)pbImage > cbImage) \

3f00104a87d8a725dfa0348b69cbdac901062a4avboxsync { \

3f00104a87d8a725dfa0348b69cbdac901062a4avboxsync SUPR0Printf("supdrvVtgValidate: " #rc " - p=%p pbImage=%p cbImage=%#zxline=%u %s\n", \

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync p, pbImage, cbImage, #p); \

3f00104a87d8a725dfa0348b69cbdac901062a4avboxsync return (rc); \

3f00104a87d8a725dfa0348b69cbdac901062a4avboxsync } \

f2dbf051efd73ff79892d4cec2b466139f962a40vboxsync } \

5d57bcb78f1f3f918bd3daf709b551b8c2d30485vboxsync else if (!RT_VALID_PTR(p)) \

cccc6ee5f7156cfcdf13acca545cf65124d9ed44vboxsync return (rc); \

3f00104a87d8a725dfa0348b69cbdac901062a4avboxsync } while (0)

904810c4c6668233349b025cc58013cb7c11c701vboxsync#define MY_VALIDATE_STR(offStrTab) \

904810c4c6668233349b025cc58013cb7c11c701vboxsync do { \

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync if ((offStrTab) >= pVtgHdr->cbStrTab) \

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync return VERR_SUPDRV_VTG_STRTAB_OFF; \

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync rc = supdrvVtgValidateString(pVtgHdr->pachStrTab + (offStrTab)); \

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync if (rc != VINF_SUCCESS) \

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync return rc; \

1147e980f6ab0b7ff1d08c13ad1c03eea30d102dvboxsync } while (0)

e59069cf1c98c1c2e90a18ec76fbc2e9907fb917vboxsync#define MY_VALIDATE_ATTR(Attr) \

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync do { \

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync if ((Attr).u8Code <= (uint8_t)kVTGStability_Invalid || (Attr).u8Code >= (uint8_t)kVTGStability_End) \

b304856b23107864c9c594a80cebca6006623f31vboxsync return VERR_SUPDRV_VTG_BAD_ATTR; \

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync if ((Attr).u8Data <= (uint8_t)kVTGStability_Invalid || (Attr).u8Data >= (uint8_t)kVTGStability_End) \

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync return VERR_SUPDRV_VTG_BAD_ATTR; \

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync if ((Attr).u8DataDep <= (uint8_t)kVTGClass_Invalid || (Attr).u8DataDep >= (uint8_t)kVTGClass_End) \

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync return VERR_SUPDRV_VTG_BAD_ATTR; \

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync } while (0)

8fdb854581fe3cb394d84835dc09b02e6e18d4edvboxsync

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync /*

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync if (memcmp(pVtgHdr->szMagic, VTGOBJHDR_MAGIC, sizeof(pVtgHdr->szMagic)))

c33fc49611f2444dade533488bf431e29eb88bcdvboxsync return VERR_SUPDRV_VTG_MAGIC;

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync if (pVtgHdr->cBits != ARCH_BITS)

1bf151411167b02ebdc6d6a18de8b97030341e1fvboxsync return VERR_SUPDRV_VTG_BITS;

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync if (pVtgHdr->u32Reserved0)

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync return VERR_SUPDRV_VTG_BAD_HDR;

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync MY_VALIDATE_PTR(pVtgHdr->paProviders, pVtgHdr->cbProviders, 1, 16, sizeof(VTGDESCPROVIDER), VERR_SUPDRV_VTG_BAD_HDR);

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync MY_VALIDATE_PTR(pVtgHdr->paProbes, pVtgHdr->cbProbes, 1, _32K, sizeof(VTGDESCPROBE), VERR_SUPDRV_VTG_BAD_HDR);

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync MY_VALIDATE_PTR(pVtgHdr->pafProbeEnabled, pVtgHdr->cbProbeEnabled, 1, _32K, sizeof(bool), VERR_SUPDRV_VTG_BAD_HDR);

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync MY_VALIDATE_PTR(pVtgHdr->pachStrTab, pVtgHdr->cbStrTab, 4, _1M, sizeof(char), VERR_SUPDRV_VTG_BAD_HDR);

657b2c9f6d33f08001e5fa6f6e0572dcf0391013vboxsync MY_VALIDATE_PTR(pVtgHdr->paArgLists, pVtgHdr->cbArgLists, 1, _32K, sizeof(uint32_t), VERR_SUPDRV_VTG_BAD_HDR);

e2760cdc84c692bc46cfaf5018d313db2f122acavboxsync

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync MY_WITHIN_IMAGE(pVtgHdr->paProbLocs, VERR_SUPDRV_VTG_BAD_HDR_PTR);

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync MY_WITHIN_IMAGE(pVtgHdr->paProbLocsEnd, VERR_SUPDRV_VTG_BAD_HDR_PTR);

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync if ((uintptr_t)pVtgHdr->paProbLocs > (uintptr_t)pVtgHdr->paProbLocsEnd)

9353e321b583ed6f2b42414257a5212885575b5cvboxsync {

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync SUPR0Printf("supdrvVtgValidate: VERR_SUPDRV_VTG_BAD_HDR_PTR - paProbeLocs=%p > paProbLocsEnd=%p\n",

9353e321b583ed6f2b42414257a5212885575b5cvboxsync pVtgHdr->paProbLocs, pVtgHdr->paProbLocsEnd);

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync return VERR_SUPDRV_VTG_BAD_HDR_PTR;

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync }

fc5f879e9508f333e20b37c63db9189a33059308vboxsync cbTmp = (uintptr_t)pVtgHdr->paProbLocsEnd - (uintptr_t)pVtgHdr->paProbLocs;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync if (cbTmp < sizeof(VTGPROBELOC))

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync {

1c6ec9a3a329da6f61978a372e509cd233f0d9f9vboxsync SUPR0Printf("supdrvVtgValidate: VERR_SUPDRV_VTG_BAD_HDR_TOO_FEW - cbTmp=%#zx paProbeLocs=%p paProbLocsEnd=%p\n",

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync cbTmp, pVtgHdr->paProbLocs, pVtgHdr->paProbLocsEnd);

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync return VERR_SUPDRV_VTG_BAD_HDR_TOO_FEW;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync }

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync if (cbTmp >= _128K * sizeof(VTGPROBELOC))

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync {

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync SUPR0Printf("supdrvVtgValidate: VERR_SUPDRV_VTG_BAD_HDR_TOO_MUCH - cbTmp=%#zx paProbeLocs=%p paProbLocsEnd=%p\n",

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync cbTmp, pVtgHdr->paProbLocs, pVtgHdr->paProbLocsEnd);

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync return VERR_SUPDRV_VTG_BAD_HDR_TOO_MUCH;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync }

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync if (cbTmp / sizeof(VTGPROBELOC) * sizeof(VTGPROBELOC) != cbTmp)

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync {

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync SUPR0Printf("supdrvVtgValidate: VERR_SUPDRV_VTG_BAD_HDR_NOT_MULTIPLE - cbTmp=%#zx cbUnit=%#zx paProbeLocs=%p paProbLocsEnd=%p\n",

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync cbTmp, sizeof(VTGPROBELOC), pVtgHdr->paProbLocs, pVtgHdr->paProbLocsEnd);

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync return VERR_SUPDRV_VTG_BAD_HDR_NOT_MULTIPLE;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync }

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync if (pVtgHdr->cbProbes / sizeof(VTGDESCPROBE) != pVtgHdr->cbProbeEnabled)

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync {

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync SUPR0Printf("supdrvVtgValidate: VERR_SUPDRV_VTG_BAD_HDR - cbProbeEnabled=%#zx cbProbes=%#zx\n",

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync pVtgHdr->cbProbeEnabled, pVtgHdr->cbProbes);

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync return VERR_SUPDRV_VTG_BAD_HDR;

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync }

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync /*

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync cProviders = i = pVtgHdr->cbProviders / sizeof(VTGDESCPROVIDER);

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync while (i-- > 0)

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync {

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync MY_VALIDATE_STR(pVtgHdr->paProviders[i].offName);

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync if (pVtgHdr->paProviders[i].iFirstProbe >= pVtgHdr->cbProbeEnabled)

95cb8e789c1eed6f2bb3195d0b996feee11d548evboxsync return VERR_SUPDRV_VTG_BAD_PROVIDER;

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync if (pVtgHdr->paProviders[i].iFirstProbe + pVtgHdr->paProviders[i].cProbes > pVtgHdr->cbProbeEnabled)

62a515eec8de1b7804ec6997c0f2013fef5c5a6bvboxsync return VERR_SUPDRV_VTG_BAD_PROVIDER;

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync MY_VALIDATE_ATTR(pVtgHdr->paProviders[i].AttrSelf);

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync MY_VALIDATE_ATTR(pVtgHdr->paProviders[i].AttrModules);

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync MY_VALIDATE_ATTR(pVtgHdr->paProviders[i].AttrFunctions);

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync MY_VALIDATE_ATTR(pVtgHdr->paProviders[i].AttrNames);

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync MY_VALIDATE_ATTR(pVtgHdr->paProviders[i].AttrArguments);

cebc93936b5bb4d867e1c086dd1b206db33c31dcvboxsync if (pVtgHdr->paProviders[i].bReserved)

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync return VERR_SUPDRV_VTG_BAD_PROVIDER;

19cb1f8699e352d590c4946caee33863a5157241vboxsync }

19cb1f8699e352d590c4946caee33863a5157241vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync /*

67ee25dd0b63a61dc35a35d0aade75ca6cd06350vboxsync i = pVtgHdr->cbProbes / sizeof(VTGDESCPROBE);

67ee25dd0b63a61dc35a35d0aade75ca6cd06350vboxsync while (i-- > 0)

67ee25dd0b63a61dc35a35d0aade75ca6cd06350vboxsync {

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync PVTGDESCARGLIST pArgList;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync unsigned iArg;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync bool fHaveLargeArgs;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

2a171646d32f8a15e9820d6fb3bf3f9b9990ca3fvboxsync MY_VALIDATE_STR(pVtgHdr->paProbes[i].offName);

3933885bc0c2c93436d858a14564c6179ec72872vboxsync if (pVtgHdr->paProbes[i].offArgList >= pVtgHdr->cbArgLists)

3933885bc0c2c93436d858a14564c6179ec72872vboxsync return VERR_SUPDRV_VTG_BAD_PROBE;

3933885bc0c2c93436d858a14564c6179ec72872vboxsync if (pVtgHdr->paProbes[i].offArgList & 3)

3933885bc0c2c93436d858a14564c6179ec72872vboxsync return VERR_SUPDRV_VTG_BAD_PROBE;

3933885bc0c2c93436d858a14564c6179ec72872vboxsync if (pVtgHdr->paProbes[i].idxEnabled != i) /* The lists are parallel. */

3933885bc0c2c93436d858a14564c6179ec72872vboxsync return VERR_SUPDRV_VTG_BAD_PROBE;

060f7ec6ae5c99df18341ef2e1f3e91f4b0c89f1vboxsync if (pVtgHdr->paProbes[i].idxProvider >= cProviders)

3933885bc0c2c93436d858a14564c6179ec72872vboxsync return VERR_SUPDRV_VTG_BAD_PROBE;

cc74f15083bf80fbc96723a89faa06c15d0dead8vboxsync if ( i - pVtgHdr->paProviders[pVtgHdr->paProbes[i].idxProvider].iFirstProbe

a72b5355eb89aafe6bfcc8912cf02645d7cccceavboxsync >= pVtgHdr->paProviders[pVtgHdr->paProbes[i].idxProvider].cProbes)

a72b5355eb89aafe6bfcc8912cf02645d7cccceavboxsync return VERR_SUPDRV_VTG_BAD_PROBE;

3933885bc0c2c93436d858a14564c6179ec72872vboxsync if (pVtgHdr->paProbes[i].u32User)

6e25221ce8ef8e656d1e15eb7ec5cf8ae758ceb2vboxsync return VERR_SUPDRV_VTG_BAD_PROBE;

3933885bc0c2c93436d858a14564c6179ec72872vboxsync

3933885bc0c2c93436d858a14564c6179ec72872vboxsync /* The referenced argument list. */

3933885bc0c2c93436d858a14564c6179ec72872vboxsync pArgList = (PVTGDESCARGLIST)((uintptr_t)pVtgHdr->paArgLists + pVtgHdr->paProbes[i].offArgList);

060f7ec6ae5c99df18341ef2e1f3e91f4b0c89f1vboxsync if (pArgList->cArgs > 16)

9ca017ceee656f9d33f2cb6652e401b5f17fcfb7vboxsync return VERR_SUPDRV_VTG_BAD_ARGLIST;

3933885bc0c2c93436d858a14564c6179ec72872vboxsync if (pArgList->fHaveLargeArgs >= 2)

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync return VERR_SUPDRV_VTG_BAD_ARGLIST;

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync if ( pArgList->abReserved[0]

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync || pArgList->abReserved[1])

f106b549ead77cab51ff1e2c116060aaabb90d5evboxsync return VERR_SUPDRV_VTG_BAD_ARGLIST;

f106b549ead77cab51ff1e2c116060aaabb90d5evboxsync fHaveLargeArgs = false;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync iArg = pArgList->cArgs;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync while (iArg-- > 0)

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync {

23d9dbdaf1b83107abf9882246a4a46933f733efvboxsync rc = VINF_SUCCESS;

a9315925c69e4c3bb342bb317ca5b6d29e1ee467vboxsync MY_VALIDATE_STR(pArgList->aArgs[iArg].offType);

a9315925c69e4c3bb342bb317ca5b6d29e1ee467vboxsync switch (pArgList->aArgs[iArg].fType & VTG_TYPE_SIZE_MASK)

a9315925c69e4c3bb342bb317ca5b6d29e1ee467vboxsync {

ad9e5a61fea617d40d07390ff1737277d6aef869vboxsync case 0:

dbabc9de5bf52ce5eb77cf82b038e9a6166c5a04vboxsync if (pArgList->aArgs[iArg].fType & VTG_TYPE_FIXED_SIZED)

4090390866c02d5d0ad061151cdb298b9a173e86vboxsync rc = VERR_SUPDRV_TRACER_BAD_ARG_FLAGS;

4090390866c02d5d0ad061151cdb298b9a173e86vboxsync break;

40dce69ff1c2949a489337922f30f1021d62d864vboxsync case 1: case 2: case 4: case 8:

40dce69ff1c2949a489337922f30f1021d62d864vboxsync break;

40dce69ff1c2949a489337922f30f1021d62d864vboxsync default:

40dce69ff1c2949a489337922f30f1021d62d864vboxsync rc = VERR_SUPDRV_TRACER_BAD_ARG_FLAGS;

40dce69ff1c2949a489337922f30f1021d62d864vboxsync }

7a29aa5ce149ccd344a2929d2815b8e212690b92vboxsync if (RT_FAILURE(rc))

3f00104a87d8a725dfa0348b69cbdac901062a4avboxsync {

f57758f0bcf995d350d64a7c059ac93573144c05vboxsync SUPR0Printf("supdrvVtgValidate: VERR_SUPDRV_TRACER_BAD_ARG_FLAGS - fType=%#x iArg=%u iProbe=%u\n",

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync pArgList->aArgs[iArg].fType, iArg, i);

f57758f0bcf995d350d64a7c059ac93573144c05vboxsync return rc;

3f00104a87d8a725dfa0348b69cbdac901062a4avboxsync }

3f00104a87d8a725dfa0348b69cbdac901062a4avboxsync if (VTG_TYPE_IS_LARGE(pArgList->aArgs[iArg].fType) && iArg >= 5)

5d57bcb78f1f3f918bd3daf709b551b8c2d30485vboxsync fHaveLargeArgs = true;

cccc6ee5f7156cfcdf13acca545cf65124d9ed44vboxsync }

3f00104a87d8a725dfa0348b69cbdac901062a4avboxsync if ((uint8_t)fHaveLargeArgs != pArgList->fHaveLargeArgs)

45a01ef53b009e9f56ce427bd8688da02ad32389vboxsync {

45a01ef53b009e9f56ce427bd8688da02ad32389vboxsync SUPR0Printf("supdrvVtgValidate: VERR_SUPDRV_TRACER_BAD_ARG_FLAGS - fType=%#x iProbe=%u fHaveLargeArgs=%d expected %d\n",

45a01ef53b009e9f56ce427bd8688da02ad32389vboxsync pArgList->aArgs[iArg].fType, i, pArgList->fHaveLargeArgs, fHaveLargeArgs);

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync return VERR_SUPDRV_VTG_BAD_PROBE;

505ddd00252720bfb5569fcb17bfda53dc141e3bvboxsync }

505ddd00252720bfb5569fcb17bfda53dc141e3bvboxsync }

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync

5a41049c24bcf93e3dc63c76bee23db645867e0cvboxsync /*

7708252d252a55417a6a817041e4356797e34255vboxsync i = pVtgHdr->cbProbeEnabled;

7708252d252a55417a6a817041e4356797e34255vboxsync while (i-- > 0)

7708252d252a55417a6a817041e4356797e34255vboxsync if (pVtgHdr->pafProbeEnabled[0])

904810c4c6668233349b025cc58013cb7c11c701vboxsync return VERR_SUPDRV_VTG_BAD_PROBE_ENABLED;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync /*

3933885bc0c2c93436d858a14564c6179ec72872vboxsync i = pVtgHdr->paProbLocsEnd - pVtgHdr->paProbLocs;

3933885bc0c2c93436d858a14564c6179ec72872vboxsync while (i-- > 0)

3933885bc0c2c93436d858a14564c6179ec72872vboxsync {

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync if (pVtgHdr->paProbLocs[i].uLine >= _1G)

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync return VERR_SUPDRV_VTG_BAD_PROBE_LOC;

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync if (pVtgHdr->paProbLocs[i].fEnabled)

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync return VERR_SUPDRV_VTG_BAD_PROBE_LOC;

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync if (pVtgHdr->paProbLocs[i].idProbe != UINT32_MAX)

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync return VERR_SUPDRV_VTG_BAD_PROBE_LOC;

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync MY_WITHIN_IMAGE(pVtgHdr->paProbLocs[i].pszFunction, VERR_SUPDRV_VTG_BAD_PROBE_LOC);

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync offTmp = (uintptr_t)pVtgHdr->paProbLocs[i].pbProbe - (uintptr_t)pVtgHdr->paProbes;

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync if (offTmp >= pVtgHdr->cbProbes)

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync return VERR_SUPDRV_VTG_BAD_PROBE_LOC;

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync if (offTmp / sizeof(VTGDESCPROBE) * sizeof(VTGDESCPROBE) != offTmp)

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync return VERR_SUPDRV_VTG_BAD_PROBE_LOC;

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync }

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync return VINF_SUCCESS;

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync#undef MY_VALIDATE_STR

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync#undef MY_VALIDATE_PTR

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync#undef MY_WITHIN_IMAGE

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync}

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync

a1b4fb3917412d2632d358ff8989f1ec971f2d5bvboxsync

1147e980f6ab0b7ff1d08c13ad1c03eea30d102dvboxsyncstatic const char *supdrvVtgGetString(PVTGOBJHDR pVtgHdr, uint32_t offStrTab)

1147e980f6ab0b7ff1d08c13ad1c03eea30d102dvboxsync{

1147e980f6ab0b7ff1d08c13ad1c03eea30d102dvboxsync Assert(offStrTab < pVtgHdr->cbStrTab);

1147e980f6ab0b7ff1d08c13ad1c03eea30d102dvboxsync return &pVtgHdr->pachStrTab[offStrTab];

1147e980f6ab0b7ff1d08c13ad1c03eea30d102dvboxsync}

1147e980f6ab0b7ff1d08c13ad1c03eea30d102dvboxsync

1147e980f6ab0b7ff1d08c13ad1c03eea30d102dvboxsync

48890ac9b4b339e0341e826b5c26ce6408729987vboxsyncstatic void supdrvTracerFreeProvider(PSUPDRVTPPROVIDER pProv)

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync{

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync LOG_TRACER(("Freeing tracepoint provider '%s' / %p\n", pProv->szName, pProv->Core.TracerData.DTrace.idProvider));

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync pProv->fRegistered = false;

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync pProv->fZombie = true;

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync pProv->Core.pDesc = NULL;

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync pProv->Core.pHdr = NULL;

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync RT_ZERO(pProv->Core.TracerData);

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync RTMemFree(pProv);

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync}

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync

48890ac9b4b339e0341e826b5c26ce6408729987vboxsyncstatic void supdrvTracerDeregisterVtgObj(PSUPDRVDEVEXT pDevExt, PSUPDRVTPPROVIDER pProv)

48890ac9b4b339e0341e826b5c26ce6408729987vboxsync{

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync int rc;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync if (!pProv->fRegistered || !pDevExt->pTracerOps)

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync rc = VINF_SUCCESS;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync else

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync rc = pDevExt->pTracerOps->pfnProviderDeregister(pDevExt->pTracerOps, &pProv->Core);

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync if (RT_SUCCESS(rc))

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync supdrvTracerFreeProvider(pProv);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync return;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync }

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pProv->fZombie = true;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync RTListAppend(&pDevExt->TracerProviderZombieList, &pProv->ListEntry);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync LOG_TRACER(("Invalidated provider '%s' / %p and put it on the zombie list (rc=%Rrc)\n",

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pProv->szName, pProv->Core.TracerData.DTrace.idProvider, rc));

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync}

508452243fd3328f7b9e0405d39fb9dc004e31b8vboxsync

508452243fd3328f7b9e0405d39fb9dc004e31b8vboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsyncstatic void supdrvTracerProcessZombies(PSUPDRVDEVEXT pDevExt)

f409459bdd4c15cdb8d7fb6c6d54338cce9ac814vboxsync{

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync PSUPDRVTPPROVIDER pProv, pProvNext;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

f4e792b5d6ee04e9d93499b747cce21510c3cdb3vboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync RTListForEachSafe(&pDevExt->TracerProviderZombieList, pProv, pProvNext, SUPDRVTPPROVIDER, ListEntry)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync {

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync int rc = pDevExt->pTracerOps->pfnProviderDeregisterZombie(pDevExt->pTracerOps, &pProv->Core);

fb1975a6972d89de9e515bed0248db93f04ec9d8vboxsync if (RT_SUCCESS(rc))

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync RTListNodeRemove(&pProv->ListEntry);

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync supdrvTracerFreeProvider(pProv);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync }

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync}

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync

1147e980f6ab0b7ff1d08c13ad1c03eea30d102dvboxsyncstatic void supdrvTracerRemoveAllProviders(PSUPDRVDEVEXT pDevExt)

e59069cf1c98c1c2e90a18ec76fbc2e9907fb917vboxsync{

e59069cf1c98c1c2e90a18ec76fbc2e9907fb917vboxsync uint32_t i;

e59069cf1c98c1c2e90a18ec76fbc2e9907fb917vboxsync PSUPDRVTPPROVIDER pProv;

e59069cf1c98c1c2e90a18ec76fbc2e9907fb917vboxsync PSUPDRVTPPROVIDER pProvNext;

e59069cf1c98c1c2e90a18ec76fbc2e9907fb917vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync /*

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync RTListForEachSafe(&pDevExt->TracerProviderList, pProv, pProvNext, SUPDRVTPPROVIDER, ListEntry)

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync RTListNodeRemove(&pProv->ListEntry);

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync supdrvTracerDeregisterVtgObj(pDevExt, pProv);

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync }

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync

e48239695d41f806ff02d8a60b97dc20d4822d7avboxsync /*

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync for (i = 0; ; i++)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync bool fEmpty;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

6efcf94383d6e48c764c6518cf1b4069ad34e210vboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync /* Zombies */

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync RTListForEachSafe(&pDevExt->TracerProviderZombieList, pProv, pProvNext, SUPDRVTPPROVIDER, ListEntry)

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

b304856b23107864c9c594a80cebca6006623f31vboxsync int rc;

b304856b23107864c9c594a80cebca6006623f31vboxsync LOG_TRACER(("supdrvTracerRemoveAllProviders: Attemting to unregister '%s' / %p...\n",

b304856b23107864c9c594a80cebca6006623f31vboxsync pProv->szName, pProv->Core.TracerData.DTrace.idProvider));

b304856b23107864c9c594a80cebca6006623f31vboxsync

b304856b23107864c9c594a80cebca6006623f31vboxsync if (pDevExt->pTracerOps)

b304856b23107864c9c594a80cebca6006623f31vboxsync rc = pDevExt->pTracerOps->pfnProviderDeregisterZombie(pDevExt->pTracerOps, &pProv->Core);

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync else

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync rc = VINF_SUCCESS;

6efcf94383d6e48c764c6518cf1b4069ad34e210vboxsync if (!rc)

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync RTListNodeRemove(&pProv->ListEntry);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync supdrvTracerFreeProvider(pProv);

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync }

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync else if (!(i & 0xf))

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync SUPR0Printf("supdrvTracerRemoveAllProviders: Waiting on busy provider '%s' / %p (rc=%d)\n",

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pProv->szName, pProv->Core.TracerData.DTrace.idProvider, rc);

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync else

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync LOG_TRACER(("supdrvTracerRemoveAllProviders: Failed to unregister provider '%s' / %p - rc=%d\n",

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync pProv->szName, pProv->Core.TracerData.DTrace.idProvider, rc));

3a0bc95d0adf57baefd303e94b8f1b7b31a8f080vboxsync }

3a0bc95d0adf57baefd303e94b8f1b7b31a8f080vboxsync

3a0bc95d0adf57baefd303e94b8f1b7b31a8f080vboxsync fEmpty = RTListIsEmpty(&pDevExt->TracerProviderZombieList);

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync

21ddd8aa21b8d7ad25b18ab341ede34c1cb4a125vboxsync /* Tracer opens. */

21ddd8aa21b8d7ad25b18ab341ede34c1cb4a125vboxsync if ( pDevExt->cTracerOpens

21ddd8aa21b8d7ad25b18ab341ede34c1cb4a125vboxsync && pDevExt->pTracerOps)

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync {

21ddd8aa21b8d7ad25b18ab341ede34c1cb4a125vboxsync fEmpty = false;

21ddd8aa21b8d7ad25b18ab341ede34c1cb4a125vboxsync if (!(i & 0xf))

21ddd8aa21b8d7ad25b18ab341ede34c1cb4a125vboxsync SUPR0Printf("supdrvTracerRemoveAllProviders: Waiting on %u opens\n", pDevExt->cTracerOpens);

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync else

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync LOG_TRACER(("supdrvTracerRemoveAllProviders: Waiting on %u opens\n", pDevExt->cTracerOpens));

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync }

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync if (fEmpty)

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync break;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync /* Delay...*/

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync RTThreadSleep(1000);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync}

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync

f31ac84c1c57e23801423b5bd184fadabe6456f3vboxsyncstatic int supdrvTracerRegisterVtgObj(PSUPDRVDEVEXT pDevExt, PVTGOBJHDR pVtgHdr, size_t cbVtgObj, PSUPDRVLDRIMAGE pImage,

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync PSUPDRVSESSION pSession, const char *pszModName)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync{

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync int rc;

8fdb854581fe3cb394d84835dc09b02e6e18d4edvboxsync uintptr_t i;

8fdb854581fe3cb394d84835dc09b02e6e18d4edvboxsync PSUPDRVTPPROVIDER pProv;

8fdb854581fe3cb394d84835dc09b02e6e18d4edvboxsync

8fdb854581fe3cb394d84835dc09b02e6e18d4edvboxsync /*

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync AssertPtrReturn(pDevExt, VERR_INVALID_POINTER);

36929067a9d3cba77fd78f1e8fa042ed3a8ae2d6vboxsync AssertPtrReturn(pVtgHdr, VERR_INVALID_POINTER);

f31ac84c1c57e23801423b5bd184fadabe6456f3vboxsync AssertPtrNullReturn(pImage, VERR_INVALID_POINTER);

36929067a9d3cba77fd78f1e8fa042ed3a8ae2d6vboxsync AssertPtrNullReturn(pSession, VERR_INVALID_POINTER);

36929067a9d3cba77fd78f1e8fa042ed3a8ae2d6vboxsync AssertPtrReturn(pszModName, VERR_INVALID_POINTER);

36929067a9d3cba77fd78f1e8fa042ed3a8ae2d6vboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync if (pImage)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync rc = supdrvVtgValidate(pVtgHdr, cbVtgObj, (const uint8_t *)pImage->pvImage, pImage->cbImageBits);

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync else

ab2292e9c32bd271ec91123ef38699a0284b72cbvboxsync rc = supdrvVtgValidate(pVtgHdr, cbVtgObj, NULL, 0);

ab2292e9c32bd271ec91123ef38699a0284b72cbvboxsync if (RT_FAILURE(rc))

ab2292e9c32bd271ec91123ef38699a0284b72cbvboxsync return rc;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

ab2292e9c32bd271ec91123ef38699a0284b72cbvboxsync rc = RTSemFastMutexRequest(pDevExt->mtxTracer);

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync if (RT_FAILURE(rc))

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync return rc;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync RTListForEach(&pDevExt->TracerProviderList, pProv, SUPDRVTPPROVIDER, ListEntry)

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync if (pProv->Core.pHdr == pVtgHdr)

121568d0a1e932e6f6acd49376827a0e593815favboxsync {

121568d0a1e932e6f6acd49376827a0e593815favboxsync rc = VERR_SUPDRV_VTG_ALREADY_REGISTERED;

121568d0a1e932e6f6acd49376827a0e593815favboxsync break;

121568d0a1e932e6f6acd49376827a0e593815favboxsync }

121568d0a1e932e6f6acd49376827a0e593815favboxsync if ( pProv->pSession == pSession

121568d0a1e932e6f6acd49376827a0e593815favboxsync && pProv->pImage == pImage)

121568d0a1e932e6f6acd49376827a0e593815favboxsync {

121568d0a1e932e6f6acd49376827a0e593815favboxsync rc = VERR_SUPDRV_VTG_ONLY_ONCE_PER_SESSION;

121568d0a1e932e6f6acd49376827a0e593815favboxsync break;

121568d0a1e932e6f6acd49376827a0e593815favboxsync }

121568d0a1e932e6f6acd49376827a0e593815favboxsync }

121568d0a1e932e6f6acd49376827a0e593815favboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

121568d0a1e932e6f6acd49376827a0e593815favboxsync if (RT_FAILURE(rc))

f31ac84c1c57e23801423b5bd184fadabe6456f3vboxsync return rc;

121568d0a1e932e6f6acd49376827a0e593815favboxsync

121568d0a1e932e6f6acd49376827a0e593815favboxsync /*

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync i = pVtgHdr->cbProviders / sizeof(VTGDESCPROVIDER);

f31ac84c1c57e23801423b5bd184fadabe6456f3vboxsync while (i-- > 0)

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync {

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync PVTGDESCPROVIDER pDesc = &pVtgHdr->paProviders[i];

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync const char *pszName = supdrvVtgGetString(pVtgHdr, pDesc->offName);

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync size_t const cchName = strlen(pszName);

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync pProv = (PSUPDRVTPPROVIDER)RTMemAllocZ(RT_OFFSETOF(SUPDRVTPPROVIDER, szName[cchName + 1]));

f31ac84c1c57e23801423b5bd184fadabe6456f3vboxsync if (pProv)

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync {

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync pProv->Core.pDesc = pDesc;

db0ecde8f28fdb4525bc6d94056166c70b02ebb8vboxsync pProv->Core.pHdr = pVtgHdr;

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync pProv->Core.pszName = &pProv->szName[0];

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pProv->Core.pszModName = pszModName;

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync pProv->pImage = pImage;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pProv->pSession = pSession;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pProv->fZombie = false;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pProv->fRegistered = true;

c33fc49611f2444dade533488bf431e29eb88bcdvboxsync memcpy(&pProv->szName[0], pszName, cchName + 1);

c33fc49611f2444dade533488bf431e29eb88bcdvboxsync

c33fc49611f2444dade533488bf431e29eb88bcdvboxsync rc = RTSemFastMutexRequest(pDevExt->mtxTracer);

c33fc49611f2444dade533488bf431e29eb88bcdvboxsync if (RT_SUCCESS(rc))

c33fc49611f2444dade533488bf431e29eb88bcdvboxsync {

c33fc49611f2444dade533488bf431e29eb88bcdvboxsync if ( pDevExt->pTracerOps

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync && !pDevExt->fTracerUnloading)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync rc = pDevExt->pTracerOps->pfnProviderRegister(pDevExt->pTracerOps, &pProv->Core);

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync else

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync {

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pProv->fRegistered = false;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync rc = VINF_SUCCESS;

1bf151411167b02ebdc6d6a18de8b97030341e1fvboxsync }

1bf151411167b02ebdc6d6a18de8b97030341e1fvboxsync if (RT_SUCCESS(rc))

1bf151411167b02ebdc6d6a18de8b97030341e1fvboxsync {

1bf151411167b02ebdc6d6a18de8b97030341e1fvboxsync RTListAppend(&pDevExt->TracerProviderList, &pProv->ListEntry);

1bf151411167b02ebdc6d6a18de8b97030341e1fvboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

8fdb854581fe3cb394d84835dc09b02e6e18d4edvboxsync LOG_TRACER(("Registered tracepoint provider '%s' in '%s' -> %p\n",

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync pProv->szName, pszModName, pProv->Core.TracerData.DTrace.idProvider));

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync }

6efcf94383d6e48c764c6518cf1b4069ad34e210vboxsync else

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync {

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync LOG_TRACER(("Failed to register tracepoint provider '%s' in '%s' -> %Rrc\n",

e2760cdc84c692bc46cfaf5018d313db2f122acavboxsync pProv->szName, pszModName, rc));

e2760cdc84c692bc46cfaf5018d313db2f122acavboxsync RTMemFree(pProv);

e2760cdc84c692bc46cfaf5018d313db2f122acavboxsync }

e2760cdc84c692bc46cfaf5018d313db2f122acavboxsync }

e2760cdc84c692bc46cfaf5018d313db2f122acavboxsync }

e2760cdc84c692bc46cfaf5018d313db2f122acavboxsync else

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync rc = VERR_NO_MEMORY;

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync if (RT_FAILURE(rc))

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync {

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync PSUPDRVTPPROVIDER pProvNext;

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync supdrvTracerFreeProvider(pProv);

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync RTListForEachReverseSafe(&pDevExt->TracerProviderList, pProv, pProvNext, SUPDRVTPPROVIDER, ListEntry)

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync {

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync if (pProv->Core.pHdr == pVtgHdr)

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync {

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync RTListNodeRemove(&pProv->ListEntry);

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync supdrvTracerDeregisterVtgObj(pDevExt, pProv);

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync }

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync }

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

6e12ccc60ac657fb87e27b7a2b26e0a63bebe024vboxsync return rc;

657b2c9f6d33f08001e5fa6f6e0572dcf0391013vboxsync }

657b2c9f6d33f08001e5fa6f6e0572dcf0391013vboxsync }

657b2c9f6d33f08001e5fa6f6e0572dcf0391013vboxsync

d6f9950e2cf4ba7fd217c083400d9812ff745374vboxsync return VINF_SUCCESS;

657b2c9f6d33f08001e5fa6f6e0572dcf0391013vboxsync}

657b2c9f6d33f08001e5fa6f6e0572dcf0391013vboxsync

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync

8b36957d815c23b479eb35d93ac76c66392e9402vboxsyncSUPR0DECL(int) SUPR0TracerRegisterDrv(PSUPDRVSESSION pSession, PVTGOBJHDR pVtgHdr, const char *pszName)

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync{

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync int rc;

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync AssertReturn(SUP_IS_SESSION_VALID(pSession), VERR_INVALID_PARAMETER);

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync AssertPtrReturn(pszName, VERR_INVALID_POINTER);

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync AssertPtrReturn(pVtgHdr, VERR_INVALID_POINTER);

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync AssertReturn(pSession->R0Process == NIL_RTR0PROCESS, VERR_INVALID_PARAMETER);

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync LOG_TRACER(("SUPR0TracerRegisterDrv: pSession=%p pVtgHdr=%p pszName=%s\n", pSession, pVtgHdr, pszName));

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

49e54e2ffe0c10864d06e9d1ebe24a8eb1327a6bvboxsync rc = supdrvTracerRegisterVtgObj(pSession->pDevExt, pVtgHdr, _1M, NULL /*pImage*/, pSession, pszName);

6efcf94383d6e48c764c6518cf1b4069ad34e210vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync /*

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync supdrvTracerProcessZombies(pSession->pDevExt);

49e54e2ffe0c10864d06e9d1ebe24a8eb1327a6bvboxsync

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync return rc;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync}

49e54e2ffe0c10864d06e9d1ebe24a8eb1327a6bvboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsyncSUPR0DECL(void) SUPR0TracerDeregisterDrv(PSUPDRVSESSION pSession)

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync{

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync PSUPDRVTPPROVIDER pProv, pProvNext;

91f8453d16b48876deddaba298c211071d0ca3a5vboxsync PSUPDRVDEVEXT pDevExt;

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync AssertReturnVoid(SUP_IS_SESSION_VALID(pSession));

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync AssertReturnVoid(pSession->R0Process == NIL_RTR0PROCESS);

91f8453d16b48876deddaba298c211071d0ca3a5vboxsync LOG_TRACER(("SUPR0TracerDeregisterDrv: pSession=%p\n", pSession));

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync pDevExt = pSession->pDevExt;

91f8453d16b48876deddaba298c211071d0ca3a5vboxsync

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync /*

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync RTListForEachSafe(&pDevExt->TracerProviderList, pProv, pProvNext, SUPDRVTPPROVIDER, ListEntry)

91f8453d16b48876deddaba298c211071d0ca3a5vboxsync {

fc5f879e9508f333e20b37c63db9189a33059308vboxsync if (pProv->pSession == pSession)

91f8453d16b48876deddaba298c211071d0ca3a5vboxsync {

91f8453d16b48876deddaba298c211071d0ca3a5vboxsync RTListNodeRemove(&pProv->ListEntry);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync supdrvTracerDeregisterVtgObj(pDevExt, pProv);

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync }

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync }

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync /*

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync supdrvTracerProcessZombies(pDevExt);

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync}

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsyncSUPR0DECL(int) SUPR0TracerRegisterModule(void *hMod, PVTGOBJHDR pVtgHdr)

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync{

d29ab0cfbeef254251f0a2458163034999abb8a0vboxsync PSUPDRVLDRIMAGE pImage = (PSUPDRVLDRIMAGE)hMod;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync PSUPDRVDEVEXT pDevExt;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync uintptr_t cbVtgObj;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync int rc;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync LOG_TRACER(("SUPR0TracerRegisterModule: %p\n", pVtgHdr));

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

1c6ec9a3a329da6f61978a372e509cd233f0d9f9vboxsync /*

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync AssertPtrReturn(pImage, VERR_INVALID_HANDLE);

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync AssertPtrReturn(pVtgHdr, VERR_INVALID_POINTER);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync AssertPtrReturn(pImage, VERR_INVALID_POINTER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pDevExt = pImage->pDevExt;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync AssertPtrReturn(pDevExt, VERR_INVALID_POINTER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync AssertReturn(pDevExt->pLdrInitImage == pImage, VERR_WRONG_ORDER);

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync AssertReturn(pDevExt->hLdrInitThread == RTThreadNativeSelf(), VERR_WRONG_ORDER);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync /*

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync cbVtgObj = (uintptr_t)pVtgHdr - (uintptr_t)pImage->pvImage;

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync AssertMsgReturn(cbVtgObj /*off*/ < pImage->cbImageBits,

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync ("pVtgHdr=%p offVtgObj=%p cbImageBits=%p\n", pVtgHdr, cbVtgObj, pImage->cbImageBits),

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync VERR_INVALID_PARAMETER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync cbVtgObj = pImage->cbImageBits - cbVtgObj;

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync rc = supdrvTracerRegisterVtgObj(pDevExt, pVtgHdr, cbVtgObj, pImage, NULL, pImage->szName);

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync LOG_TRACER(("SUPR0TracerRegisterModule: rc=%d\n", rc));

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync /*

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync supdrvTracerProcessZombies(pDevExt);

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync return rc;

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync}

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsyncSUPR0DECL(int) SUPR0TracerRegisterImpl(void *hMod, PSUPDRVSESSION pSession, PCSUPDRVTRACERREG pReg, PCSUPDRVTRACERHLP *ppHlp)

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync{

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync PSUPDRVLDRIMAGE pImage = (PSUPDRVLDRIMAGE)hMod;

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync PSUPDRVDEVEXT pDevExt;

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync PSUPDRVTPPROVIDER pProv;

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync int rc;

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync /*

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync AssertPtrReturn(ppHlp, VERR_INVALID_POINTER);

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync *ppHlp = NULL;

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync AssertPtrReturn(pReg, VERR_INVALID_HANDLE);

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync if (pImage)

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync {

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync AssertPtrReturn(pImage, VERR_INVALID_POINTER);

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync AssertReturn(pSession == NULL, VERR_INVALID_PARAMETER);

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync pDevExt = pImage->pDevExt;

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync AssertPtrReturn(pDevExt, VERR_INVALID_POINTER);

4a0e2f51aaf27c0bca61ff0f1adb91106264f0dbvboxsync AssertReturn(pDevExt->pLdrInitImage == pImage, VERR_WRONG_ORDER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync AssertReturn(pDevExt->hLdrInitThread == RTThreadNativeSelf(), VERR_WRONG_ORDER);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync }

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync else

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync AssertReturn(SUP_IS_SESSION_VALID(pSession), VERR_INVALID_PARAMETER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync AssertReturn(pSession->R0Process == NIL_RTR0PROCESS, VERR_INVALID_PARAMETER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pDevExt = pSession->pDevExt;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync AssertPtrReturn(pDevExt, VERR_INVALID_POINTER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync AssertReturn(pReg->u32Magic == SUPDRVTRACERREG_MAGIC, VERR_INVALID_MAGIC);

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync AssertReturn(pReg->u32Version == SUPDRVTRACERREG_VERSION, VERR_VERSION_MISMATCH);

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync AssertReturn(pReg->uEndMagic == SUPDRVTRACERREG_MAGIC, VERR_VERSION_MISMATCH);

67e7d53d62514401efcd0e7a34f5faf772a3fe04vboxsync AssertPtrReturn(pReg->pfnProbeFireKernel, VERR_INVALID_POINTER);

b7a8ce033b32a429def2feb142bc1bdd1b5dffa2vboxsync AssertPtrReturn(pReg->pfnProbeFireUser, VERR_INVALID_POINTER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync AssertPtrReturn(pReg->pfnTracerOpen, VERR_INVALID_POINTER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync AssertPtrReturn(pReg->pfnTracerIoCtl, VERR_INVALID_POINTER);

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync AssertPtrReturn(pReg->pfnTracerClose, VERR_INVALID_POINTER);

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync AssertPtrReturn(pReg->pfnProviderRegister, VERR_INVALID_POINTER);

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync AssertPtrReturn(pReg->pfnProviderDeregister, VERR_INVALID_POINTER);

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync AssertPtrReturn(pReg->pfnProviderDeregisterZombie, VERR_INVALID_POINTER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync /*

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync rc = RTSemFastMutexRequest(pDevExt->mtxTracer);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync if (RT_SUCCESS(rc))

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync if (!pDevExt->pTracerOps)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync LOG_TRACER(("SUPR0TracerRegisterImpl: pReg=%p\n", pReg));

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync pDevExt->pTracerOps = pReg;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pDevExt->pTracerSession = pSession;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pDevExt->pTracerImage = pImage;

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync g_pfnSupdrvProbeFireKernel = (PFNRT)pDevExt->pTracerOps->pfnProbeFireKernel;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync *ppHlp = &pDevExt->TracerHlp;

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync rc = VINF_SUCCESS;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync /*

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync RTListForEach(&pDevExt->TracerProviderList, pProv, SUPDRVTPPROVIDER, ListEntry)

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync Assert(!pProv->fRegistered);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pProv->fRegistered = true;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync int rc2 = pDevExt->pTracerOps->pfnProviderRegister(pDevExt->pTracerOps, &pProv->Core);

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync if (RT_FAILURE(rc2))

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pProv->fRegistered = false;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync SUPR0Printf("SUPR0TracerRegisterImpl: Failed to register provider %s::%s - rc=%d\n",

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pProv->Core.pszModName, pProv->szName, rc2);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync }

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync }

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync else

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync rc = VERR_SUPDRV_TRACER_ALREADY_REGISTERED;

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync return rc;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync}

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsyncstatic void supdrvTracerCommonDeregisterImpl(PSUPDRVDEVEXT pDevExt)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync{

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync uint32_t i;

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync PSUPDRVTPPROVIDER pProv;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync PSUPDRVTPPROVIDER pProvNext;

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync /*

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync g_pfnSupdrvProbeFireKernel = supdrvTracerProbeFireStub;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync /*

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync for (i = 0; ; i++)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync {

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync uint32_t cZombies = 0;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync /* Live providers. */

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync RTListForEachSafe(&pDevExt->TracerProviderList, pProv, pProvNext, SUPDRVTPPROVIDER, ListEntry)

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync {

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync int rc;

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync LOG_TRACER(("supdrvTracerCommonDeregisterImpl: Attemting to unregister '%s' / %p...\n",

67e7d53d62514401efcd0e7a34f5faf772a3fe04vboxsync pProv->szName, pProv->Core.TracerData.DTrace.idProvider));

b7a8ce033b32a429def2feb142bc1bdd1b5dffa2vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync if (!pProv->fRegistered)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync continue;

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync if (!pProv->fZombie)

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync {

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync rc = pDevExt->pTracerOps->pfnProviderDeregister(pDevExt->pTracerOps, &pProv->Core);

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync if (RT_FAILURE(rc))

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pProv->fZombie = true;

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync }

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync else

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync rc = pDevExt->pTracerOps->pfnProviderDeregisterZombie(pDevExt->pTracerOps, &pProv->Core);

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync if (RT_SUCCESS(rc))

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync pProv->fZombie = pProv->fRegistered = false;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync else

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync cZombies++;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync if (!(i & 0xf))

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync SUPR0Printf("supdrvTracerCommonDeregisterImpl: Waiting on busy provider '%s' / %p (rc=%d)\n",

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pProv->szName, pProv->Core.TracerData.DTrace.idProvider, rc);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync else

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync LOG_TRACER(("supdrvTracerCommonDeregisterImpl: Failed to unregister provider '%s' / %p - rc=%d\n",

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pProv->szName, pProv->Core.TracerData.DTrace.idProvider, rc));

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync /* Zombies providers. */

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync RTListForEachSafe(&pDevExt->TracerProviderZombieList, pProv, pProvNext, SUPDRVTPPROVIDER, ListEntry)

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync int rc;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync LOG_TRACER(("supdrvTracerCommonDeregisterImpl: Attemting to unregister '%s' / %p (zombie)...\n",

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync pProv->szName, pProv->Core.TracerData.DTrace.idProvider));

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync rc = pDevExt->pTracerOps->pfnProviderDeregisterZombie(pDevExt->pTracerOps, &pProv->Core);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync if (RT_SUCCESS(rc))

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync RTListNodeRemove(&pProv->ListEntry);

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync supdrvTracerFreeProvider(pProv);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync }

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync else

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync {

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync cZombies++;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync if (!(i & 0xf))

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync SUPR0Printf("supdrvTracerCommonDeregisterImpl: Waiting on busy provider '%s' / %p (rc=%d)\n",

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pProv->szName, pProv->Core.TracerData.DTrace.idProvider, rc);

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync else

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync LOG_TRACER(("supdrvTracerCommonDeregisterImpl: Failed to unregister provider '%s' / %p - rc=%d\n",

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pProv->szName, pProv->Core.TracerData.DTrace.idProvider, rc));

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

e214bb78026c1d64078b34ca9504d3f5abbc52efvboxsync }

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync /* Tracer opens. */

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync if (pDevExt->cTracerOpens)

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync cZombies++;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync if (!(i & 0xf))

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync SUPR0Printf("supdrvTracerCommonDeregisterImpl: Waiting on %u opens\n", pDevExt->cTracerOpens);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync else

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync LOG_TRACER(("supdrvTracerCommonDeregisterImpl: Waiting on %u opens\n", pDevExt->cTracerOpens));

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync }

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync /* Done? */

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync if (cZombies == 0)

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync break;

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync /* Delay...*/

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync RTThreadSleep(1000);

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync /*

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync pDevExt->pTracerImage = NULL;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pDevExt->pTracerSession = NULL;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pDevExt->pTracerOps = NULL;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pDevExt->fTracerUnloading = false;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

2a5e5a032e6f23f8937718e4ee4d6979188bdd19vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync}

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync

8b36957d815c23b479eb35d93ac76c66392e9402vboxsyncSUPR0DECL(int) SUPR0TracerDeregisterImpl(void *hMod, PSUPDRVSESSION pSession)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync{

fc148a6b23d25a87561beaffe0ba06c3ba93bf5avboxsync PSUPDRVLDRIMAGE pImage = (PSUPDRVLDRIMAGE)hMod;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync PSUPDRVDEVEXT pDevExt;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync int rc;

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync /*

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync if (pImage)

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync AssertPtrReturn(pImage, VERR_INVALID_POINTER);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync AssertReturn(pSession == NULL, VERR_INVALID_PARAMETER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pDevExt = pImage->pDevExt;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync else

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync AssertReturn(SUP_IS_SESSION_VALID(pSession), VERR_INVALID_PARAMETER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync AssertReturn(pSession->R0Process == NIL_RTR0PROCESS, VERR_INVALID_PARAMETER);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pDevExt = pSession->pDevExt;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync AssertPtrReturn(pDevExt, VERR_INVALID_POINTER);

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync /*

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync rc = RTSemFastMutexRequest(pDevExt->mtxTracer);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync if (RT_SUCCESS(rc))

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync if ( pImage

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync ? pDevExt->pTracerImage == pImage

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync : pDevExt->pTracerSession == pSession)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync {

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync LOG_TRACER(("SUPR0TracerDeregisterImpl: Unloading ...\n"));

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync pDevExt->fTracerUnloading = true;

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync supdrvTracerCommonDeregisterImpl(pDevExt);

b7a8ce033b32a429def2feb142bc1bdd1b5dffa2vboxsync LOG_TRACER(("SUPR0TracerDeregisterImpl: ... done.\n"));

b7a8ce033b32a429def2feb142bc1bdd1b5dffa2vboxsync }

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync else

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync {

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync rc = VERR_SUPDRV_TRACER_NOT_REGISTERED;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync }

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync }

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync return rc;

d107911787df36a78788a841b73d24da896d02f6vboxsync}

d107911787df36a78788a841b73d24da896d02f6vboxsync

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync#if defined(__GNUC__) && (defined(RT_OS_FREEBSD) || defined(RT_OS_LINUX))

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync__asm__("\

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync");

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync# if defined(RT_ARCH_AMD64)

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync__asm__(" \

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync");

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync# elif defined(RT_ARCH_X86)

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync__asm__("\

1871985cb4854e5bfb2ead8174ee28dbfce74df5vboxsync");

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync# else

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync# error "Which arch is this?"

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync# endif

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync__asm__("\

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync");

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync# if 0 /* Slickedit on windows highlighting fix */

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync )

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync# endif

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync#endif

2823fbb1428e982169f04923472d7c94e7ed8385vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsyncvoid VBOXCALL supdrvTracerModuleUnloading(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage)

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync{

a9f530691071e3496b072915b0c5ceabd4e05ea5vboxsync PSUPDRVTPPROVIDER pProv, pProvNext;

b7a8ce033b32a429def2feb142bc1bdd1b5dffa2vboxsync AssertPtrReturnVoid(pImage); /* paranoia */

b7a8ce033b32a429def2feb142bc1bdd1b5dffa2vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync /*

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync if (pDevExt->pTracerImage == pImage)

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync {

d107911787df36a78788a841b73d24da896d02f6vboxsync LOG_TRACER(("supdrvTracerModuleUnloading: Unloading tracer ...\n"));

d107911787df36a78788a841b73d24da896d02f6vboxsync pDevExt->fTracerUnloading = true;

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync supdrvTracerCommonDeregisterImpl(pDevExt);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync LOG_TRACER(("supdrvTracerModuleUnloading: ... done.\n"));

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync else

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync /*

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync RTListForEachSafe(&pDevExt->TracerProviderList, pProv, pProvNext, SUPDRVTPPROVIDER, ListEntry)

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync if (pProv->pImage == pImage)

1207f59aa62006952dbb0bf7700decf34d8caeb2vboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync RTListNodeRemove(&pProv->ListEntry);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync supdrvTracerDeregisterVtgObj(pDevExt, pProv);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync }

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync /*

261b44f7fa60a1d4bb4102142d3aa44188908484vboxsync supdrvTracerProcessZombies(pDevExt);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync}

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsyncvoid VBOXCALL supdrvTracerCleanupSession(PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession)

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync{

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync /*

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync if (pSession->R0Process == NIL_RTR0PROCESS)

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync {

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync SUPDRVTPPROVIDER *pProvNext;

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync SUPDRVTPPROVIDER *pProv;

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync RTListForEachSafe(&pDevExt->TracerProviderList, pProv, pProvNext, SUPDRVTPPROVIDER, ListEntry)

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync {

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync if (pProv->pSession == pSession)

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync {

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync RTListNodeRemove(&pProv->ListEntry);

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync supdrvTracerDeregisterVtgObj(pDevExt, pProv);

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync }

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync }

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync (void)SUPR0TracerDeregisterImpl(NULL, pSession);

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync }

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync /*

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync if (pSession->uTracerData)

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync supdrvIOCtl_TracerClose(pDevExt, pSession);

aa0553becec2abc2e781f839ba1d399c31c2c07fvboxsync}

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

8b36957d815c23b479eb35d93ac76c66392e9402vboxsyncint VBOXCALL supdrvIOCtl_TracerOpen(PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession, uint32_t uCookie, uintptr_t uArg)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync{

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync RTNATIVETHREAD hNativeSelf = RTThreadNativeSelf();

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync int rc;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync if (!pSession->uTracerData)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync {

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync if (pDevExt->pTracerOps)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync {

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync if (pDevExt->pTracerSession != pSession)

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync {

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync if (!pDevExt->fTracerUnloading)

5704a317c3b6bdf4b59f6a6ebe45d443296b1995vboxsync {

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync if (pSession->hTracerCaller == NIL_RTNATIVETHREAD)

5704a317c3b6bdf4b59f6a6ebe45d443296b1995vboxsync {

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pDevExt->cTracerOpens++;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync pSession->uTracerData = ~(uintptr_t)0;

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync pSession->hTracerCaller = hNativeSelf;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync rc = pDevExt->pTracerOps->pfnTracerOpen(pDevExt->pTracerOps, pSession, uCookie, uArg, &pSession->uTracerData);

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync if (RT_FAILURE(rc))

6c1f3eb64096421b9ba7272f297bac6ff3d29fe7vboxsync {

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pDevExt->cTracerOpens--;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pSession->uTracerData = 0;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync pSession->hTracerCaller = NIL_RTNATIVETHREAD;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

9e4ea89b1085fdaa5861e45a729d9c978db1a8f1vboxsync else

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync rc = VERR_SUPDRV_TRACER_SESSION_BUSY;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync else

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync rc = VERR_SUPDRV_TRACER_UNLOADING;

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync }

147e101bcd061b5e085e4a2c0cc9fc35546ff1aavboxsync else

1dc37bff2fb26897f5892d8330fe2bc0c9859aecvboxsync rc = VERR_SUPDRV_TRACER_CANNOT_OPEN_SELF;

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync }

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync else

71c8a528203c289a8585ce10ac6bafc4274058c6vboxsync rc = VERR_SUPDRV_TRACER_NOT_PRESENT;

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync }

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync else

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync rc = VERR_SUPDRV_TRACER_ALREADY_OPENED;

f8df398d066204e2bf0ba209ea3554fc113fb484vboxsync

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync return rc;

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync}

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsyncint VBOXCALL supdrvIOCtl_TracerClose(PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession)

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync{

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync RTNATIVETHREAD hNativeSelf = RTThreadNativeSelf();

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync int rc;

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

f62342e2cc901a67e27fa69c0e712ee35e9c4c68vboxsync

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync if (pSession->uTracerData)

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync {

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync Assert(pDevExt->cTracerOpens > 0);

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync if (pDevExt->pTracerOps)

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync {

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync if (pSession->hTracerCaller == NIL_RTNATIVETHREAD)

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync {

8b36957d815c23b479eb35d93ac76c66392e9402vboxsync uintptr_t uTracerData = pSession->uTracerData;

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync pSession->uTracerData = 0;

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync pSession->hTracerCaller = hNativeSelf;

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync pDevExt->pTracerOps->pfnTracerClose(pDevExt->pTracerOps, pSession, uTracerData);

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync rc = VINF_SUCCESS;

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync RTSemFastMutexRequest(pDevExt->mtxTracer);

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync pSession->hTracerCaller = NIL_RTNATIVETHREAD;

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync Assert(pDevExt->cTracerOpens > 0);

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync pDevExt->cTracerOpens--;

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync }

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync else

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync rc = VERR_SUPDRV_TRACER_SESSION_BUSY;

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync }

b604fbf16eda38d14b4999c245f032bfaa5aa85avboxsync else

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync {

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync rc = VERR_SUPDRV_TRACER_NOT_PRESENT;

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync pSession->uTracerData = 0;

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync Assert(pDevExt->cTracerOpens > 0);

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync pDevExt->cTracerOpens--;

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync }

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync }

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync else

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync rc = VERR_SUPDRV_TRACER_NOT_OPENED;

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync RTSemFastMutexRelease(pDevExt->mtxTracer);

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync return rc;

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync}

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsyncint VBOXCALL supdrvIOCtl_TracerIOCtl(PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession, uintptr_t uCmd, uintptr_t uArg, int32_t *piRetVal)

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync{

13d1fd6f43e9a245a4f2b4fc6845bdaa5d0f4134vboxsync RTNATIVETHREAD hNativeSelf = RTThreadNativeSelf();