trap.h revision 26896e4c150206551989fd1aa9452a11c5ced6fc
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d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck/* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck/* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey/* All Rights Reserved */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Use is subject to license terms.
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey * Trap type values
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_ZERODIV 0x0 /* #de divide by 0 error */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_BPTFLT 0x3 /* #bp breakpoint fault, INT3 insn */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_OVFLW 0x4 /* #of INTO overflow fault */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_BOUNDFLT 0x5 /* #br BOUND insn fault */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_ILLINST 0x6 /* #ud invalid opcode fault */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_NOEXTFLT 0x7 /* #nm device not available: x87 */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#define T_EXTOVRFLT 0x9 /* [not generated: 386 only] */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_SEGFLT 0xb /* #np segment not present fault */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#define T_ALIGNMENT 0x11 /* #ac alignment check error */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_MCE 0x12 /* #mc machine check exception */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_SIMDFPE 0x13 /* #xm SSE/SSE exception */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_ENDPERR 0x21 /* emulated extension error flt */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_ENOEXTFLT 0x20 /* emulated ext not present */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_FASTTRAP 0xd2 /* fast system call */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_SYSCALLINT 0x91 /* general system call */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_DTRACE_RET 0x92 /* DTrace pid return */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_INT80 0x80 /* int80 handler for linux emulation */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_SOFTINT 0x50fd /* pseudo softint trap type */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Pseudo traps.
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey * Values of error code on stack in case of page fault
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define PF_ERR_PROT 0x01 /* protection error */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#define PF_ERR_WRITE 0x02 /* fault caused by write (else read) */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#define PF_ERR_USER 0x04 /* processor was in user mode */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck /* (else supervisor) */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#define PF_ERR_EXEC 0x10 /* attempt to execute a No eXec page (AMD) */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey * Definitions for fast system call subfunctions
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_FNULL 0 /* Null trap for testing */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_FGETFP 1 /* Get emulated FP context */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_FSETFP 2 /* Set emulated FP context */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_GETHRTIME 3 /* Get high resolution time */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_GETHRVTIME 4 /* Get high resolution virtual time */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_GETHRESTIME 5 /* Get high resolution time */
6ba597c56d749c61b4f783157f63196d7b2445f0Anurag S. Maskey#define T_LASTFAST 6 /* Last valid subfunction */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#endif /* _IA32_SYS_TRAP_H */