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Differential D20191

Relocate contrib/zlib to sys/contrib/zlib so that we can use this in kernel.
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Authored by ota_j.email.ne.jp on May 8 2019, 12:06 AM.
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rS347244: Move contrib/zlib to sys/contrib/zlib so that we can use it in kernel.
Summary

svn mv contrib/zlib sys/contrib/zlib and then adjusted paths.

Test Plan

% make buildworld

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 24144
Build 22996: arc lint + arc unit

Revision Contents
Changeset List

PathSize
contrib/
zlib/
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contrib/
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asm686/
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gcc_gvmat64/
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doc/
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test/
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lib/
libz/
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stand/
libsa/
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sys/
contrib/
contrib/
usr.bin/
minigzip/
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Diff 57152

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contrib/zlib/

Show First 20 Lines • Show All 61 Lines • ▼ Show 20 Lines
int int
fbt_invop(uintptr_t addr, struct trapframe *frame, uintptr_t rval) fbt_invop(uintptr_t addr, struct trapframe *frame, uintptr_t rval)
{ {
solaris_cpu_t *cpu; solaris_cpu_t *cpu;
uintptr_t *stack; uintptr_t *stack;
uintptr_t arg0, arg1, arg2, arg3, arg4; uintptr_t arg0, arg1, arg2, arg3, arg4;
fbt_probe_t *fbt; fbt_probe_t *fbt;
int8_t fbtrval;
#ifdef __amd64__ #ifdef __amd64__
stack = (uintptr_t *)frame->tf_rsp; stack = (uintptr_t *)frame->tf_rsp;
#else #else
/* Skip hardware-saved registers. */ /* Skip hardware-saved registers. */
stack = (uintptr_t *)frame->tf_isp + 3; stack = (uintptr_t *)frame->tf_isp + 3;
#endif #endif
cpu = &solaris_cpu[curcpu]; cpu = &solaris_cpu[curcpu];
fbt = fbt_probetab[FBT_ADDR2NDX(addr)]; fbt = fbt_probetab[FBT_ADDR2NDX(addr)];
for (; fbt != NULL; fbt = fbt->fbtp_hashnext) { for (; fbt != NULL; fbt = fbt->fbtp_hashnext) {
if ((uintptr_t)fbt->fbtp_patchpoint == addr) { if ((uintptr_t)fbt->fbtp_patchpoint != addr)
continue;
fbtrval = fbt->fbtp_rval;
for (; fbt != NULL; fbt = fbt->fbtp_tracenext) {
ASSERT(fbt->fbtp_rval == fbtrval);
if (fbt->fbtp_roffset == 0) { if (fbt->fbtp_roffset == 0) {
#ifdef __amd64__ #ifdef __amd64__
/* fbt->fbtp_rval == DTRACE_INVOP_PUSHQ_RBP */ /* fbt->fbtp_rval == DTRACE_INVOP_PUSHQ_RBP */
DTRACE_CPUFLAG_SET(CPU_DTRACE_NOFAULT); DTRACE_CPUFLAG_SET(CPU_DTRACE_NOFAULT);
cpu->cpu_dtrace_caller = stack[0]; cpu->cpu_dtrace_caller = stack[0];
DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT | DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT |
CPU_DTRACE_BADADDR); CPU_DTRACE_BADADDR);
Show All 40 Lines#ifdef __amd64__
DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT | DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT |
CPU_DTRACE_BADADDR); CPU_DTRACE_BADADDR);
#endif #endif
dtrace_probe(fbt->fbtp_id, fbt->fbtp_roffset, dtrace_probe(fbt->fbtp_id, fbt->fbtp_roffset,
rval, 0, 0, 0); rval, 0, 0, 0);
cpu->cpu_dtrace_caller = 0; cpu->cpu_dtrace_caller = 0;
} }
return (fbt->fbtp_rval);
} }
return (fbtrval);
} }
return (0); return (0);
} }
void void
fbt_patch_tracepoint(fbt_probe_t *fbt, fbt_patchval_t val) fbt_patch_tracepoint(fbt_probe_t *fbt, fbt_patchval_t val)
{ {
register_t intr; register_t intr;
bool old_wp; bool old_wp;
intr = intr_disable(); intr = intr_disable();
old_wp = disable_wp(); old_wp = disable_wp();
*fbt->fbtp_patchpoint = val; *fbt->fbtp_patchpoint = val;
restore_wp(old_wp); restore_wp(old_wp);
intr_restore(intr); intr_restore(intr);
} }
int int
fbt_provide_module_function(linker_file_t lf, int symindx, fbt_provide_module_function(linker_file_t lf, int symindx,
linker_symval_t *symval, void *opaque) linker_symval_t *symval, void *opaque)
{ {
char *modname = opaque; char *modname = opaque;
const char *name = symval->name; const char *name = symval->name;
fbt_probe_t *fbt, *retfbt; fbt_probe_t *fbt, *hash, *retfbt;
int j; int j;
int size; int size;
uint8_t *instr, *limit; uint8_t *instr, *limit;
if (fbt_excluded(name)) if (fbt_excluded(name))
return (0); return (0);
/* /*
▲ Show 20 Lines • Show All 45 Lines • ▼ Show 20 Lines#endif
fbt->fbtp_patchpoint = instr; fbt->fbtp_patchpoint = instr;
fbt->fbtp_ctl = lf; fbt->fbtp_ctl = lf;
fbt->fbtp_loadcnt = lf->loadcnt; fbt->fbtp_loadcnt = lf->loadcnt;
fbt->fbtp_rval = DTRACE_INVOP_PUSHL_EBP; fbt->fbtp_rval = DTRACE_INVOP_PUSHL_EBP;
fbt->fbtp_savedval = *instr; fbt->fbtp_savedval = *instr;
fbt->fbtp_patchval = FBT_PATCHVAL; fbt->fbtp_patchval = FBT_PATCHVAL;
fbt->fbtp_symindx = symindx; fbt->fbtp_symindx = symindx;
for (hash = fbt_probetab[FBT_ADDR2NDX(instr)]; hash != NULL;
hash = hash->fbtp_hashnext) {
if (hash->fbtp_patchpoint == fbt->fbtp_patchpoint) {
fbt->fbtp_tracenext = hash->fbtp_tracenext;
hash->fbtp_tracenext = fbt;
break;
}
}
if (hash == NULL) {
fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)]; fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)];
fbt_probetab[FBT_ADDR2NDX(instr)] = fbt; fbt_probetab[FBT_ADDR2NDX(instr)] = fbt;
}
lf->fbt_nentries++; lf->fbt_nentries++;
retfbt = NULL; retfbt = NULL;
again: again:
if (instr >= limit) if (instr >= limit)
return (0); return (0);
▲ Show 20 Lines • Show All 59 Lines • ▼ Show 20 Lines#endif
*/ */
fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK | M_ZERO); fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK | M_ZERO);
fbt->fbtp_name = name; fbt->fbtp_name = name;
if (retfbt == NULL) { if (retfbt == NULL) {
fbt->fbtp_id = dtrace_probe_create(fbt_id, modname, fbt->fbtp_id = dtrace_probe_create(fbt_id, modname,
name, FBT_RETURN, 3, fbt); name, FBT_RETURN, 3, fbt);
} else { } else {
retfbt->fbtp_next = fbt; retfbt->fbtp_probenext = fbt;
fbt->fbtp_id = retfbt->fbtp_id; fbt->fbtp_id = retfbt->fbtp_id;
} }
retfbt = fbt; retfbt = fbt;
fbt->fbtp_patchpoint = instr; fbt->fbtp_patchpoint = instr;
fbt->fbtp_ctl = lf; fbt->fbtp_ctl = lf;
fbt->fbtp_loadcnt = lf->loadcnt; fbt->fbtp_loadcnt = lf->loadcnt;
fbt->fbtp_symindx = symindx; fbt->fbtp_symindx = symindx;
Show All 28 Lines
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contrib/zlib/ChangeLog

Show First 20 Lines • Show All 61 Lines • ▼ Show 20 Lines
int int
fbt_invop(uintptr_t addr, struct trapframe *frame, uintptr_t rval) fbt_invop(uintptr_t addr, struct trapframe *frame, uintptr_t rval)
{ {
solaris_cpu_t *cpu; solaris_cpu_t *cpu;
uintptr_t *stack; uintptr_t *stack;
uintptr_t arg0, arg1, arg2, arg3, arg4; uintptr_t arg0, arg1, arg2, arg3, arg4;
fbt_probe_t *fbt; fbt_probe_t *fbt;
int8_t fbtrval;
#ifdef __amd64__ #ifdef __amd64__
stack = (uintptr_t *)frame->tf_rsp; stack = (uintptr_t *)frame->tf_rsp;
#else #else
/* Skip hardware-saved registers. */ /* Skip hardware-saved registers. */
stack = (uintptr_t *)frame->tf_isp + 3; stack = (uintptr_t *)frame->tf_isp + 3;
#endif #endif
cpu = &solaris_cpu[curcpu]; cpu = &solaris_cpu[curcpu];
fbt = fbt_probetab[FBT_ADDR2NDX(addr)]; fbt = fbt_probetab[FBT_ADDR2NDX(addr)];
for (; fbt != NULL; fbt = fbt->fbtp_hashnext) { for (; fbt != NULL; fbt = fbt->fbtp_hashnext) {
if ((uintptr_t)fbt->fbtp_patchpoint == addr) { if ((uintptr_t)fbt->fbtp_patchpoint != addr)
continue;
fbtrval = fbt->fbtp_rval;
for (; fbt != NULL; fbt = fbt->fbtp_tracenext) {
ASSERT(fbt->fbtp_rval == fbtrval);
if (fbt->fbtp_roffset == 0) { if (fbt->fbtp_roffset == 0) {
#ifdef __amd64__ #ifdef __amd64__
/* fbt->fbtp_rval == DTRACE_INVOP_PUSHQ_RBP */ /* fbt->fbtp_rval == DTRACE_INVOP_PUSHQ_RBP */
DTRACE_CPUFLAG_SET(CPU_DTRACE_NOFAULT); DTRACE_CPUFLAG_SET(CPU_DTRACE_NOFAULT);
cpu->cpu_dtrace_caller = stack[0]; cpu->cpu_dtrace_caller = stack[0];
DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT | DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT |
CPU_DTRACE_BADADDR); CPU_DTRACE_BADADDR);
Show All 40 Lines#ifdef __amd64__
DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT | DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT |
CPU_DTRACE_BADADDR); CPU_DTRACE_BADADDR);
#endif #endif
dtrace_probe(fbt->fbtp_id, fbt->fbtp_roffset, dtrace_probe(fbt->fbtp_id, fbt->fbtp_roffset,
rval, 0, 0, 0); rval, 0, 0, 0);
cpu->cpu_dtrace_caller = 0; cpu->cpu_dtrace_caller = 0;
} }
return (fbt->fbtp_rval);
} }
return (fbtrval);
} }
return (0); return (0);
} }
void void
fbt_patch_tracepoint(fbt_probe_t *fbt, fbt_patchval_t val) fbt_patch_tracepoint(fbt_probe_t *fbt, fbt_patchval_t val)
{ {
register_t intr; register_t intr;
bool old_wp; bool old_wp;
intr = intr_disable(); intr = intr_disable();
old_wp = disable_wp(); old_wp = disable_wp();
*fbt->fbtp_patchpoint = val; *fbt->fbtp_patchpoint = val;
restore_wp(old_wp); restore_wp(old_wp);
intr_restore(intr); intr_restore(intr);
} }
int int
fbt_provide_module_function(linker_file_t lf, int symindx, fbt_provide_module_function(linker_file_t lf, int symindx,
linker_symval_t *symval, void *opaque) linker_symval_t *symval, void *opaque)
{ {
char *modname = opaque; char *modname = opaque;
const char *name = symval->name; const char *name = symval->name;
fbt_probe_t *fbt, *retfbt; fbt_probe_t *fbt, *hash, *retfbt;
int j; int j;
int size; int size;
uint8_t *instr, *limit; uint8_t *instr, *limit;
if (fbt_excluded(name)) if (fbt_excluded(name))
return (0); return (0);
/* /*
▲ Show 20 Lines • Show All 45 Lines • ▼ Show 20 Lines#endif
fbt->fbtp_patchpoint = instr; fbt->fbtp_patchpoint = instr;
fbt->fbtp_ctl = lf; fbt->fbtp_ctl = lf;
fbt->fbtp_loadcnt = lf->loadcnt; fbt->fbtp_loadcnt = lf->loadcnt;
fbt->fbtp_rval = DTRACE_INVOP_PUSHL_EBP; fbt->fbtp_rval = DTRACE_INVOP_PUSHL_EBP;
fbt->fbtp_savedval = *instr; fbt->fbtp_savedval = *instr;
fbt->fbtp_patchval = FBT_PATCHVAL; fbt->fbtp_patchval = FBT_PATCHVAL;
fbt->fbtp_symindx = symindx; fbt->fbtp_symindx = symindx;
for (hash = fbt_probetab[FBT_ADDR2NDX(instr)]; hash != NULL;
hash = hash->fbtp_hashnext) {
if (hash->fbtp_patchpoint == fbt->fbtp_patchpoint) {
fbt->fbtp_tracenext = hash->fbtp_tracenext;
hash->fbtp_tracenext = fbt;
break;
}
}
if (hash == NULL) {
fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)]; fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)];
fbt_probetab[FBT_ADDR2NDX(instr)] = fbt; fbt_probetab[FBT_ADDR2NDX(instr)] = fbt;
}
lf->fbt_nentries++; lf->fbt_nentries++;
retfbt = NULL; retfbt = NULL;
again: again:
if (instr >= limit) if (instr >= limit)
return (0); return (0);
▲ Show 20 Lines • Show All 59 Lines • ▼ Show 20 Lines#endif
*/ */
fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK | M_ZERO); fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK | M_ZERO);
fbt->fbtp_name = name; fbt->fbtp_name = name;
if (retfbt == NULL) { if (retfbt == NULL) {
fbt->fbtp_id = dtrace_probe_create(fbt_id, modname, fbt->fbtp_id = dtrace_probe_create(fbt_id, modname,
name, FBT_RETURN, 3, fbt); name, FBT_RETURN, 3, fbt);
} else { } else {
retfbt->fbtp_next = fbt; retfbt->fbtp_probenext = fbt;
fbt->fbtp_id = retfbt->fbtp_id; fbt->fbtp_id = retfbt->fbtp_id;
} }
retfbt = fbt; retfbt = fbt;
fbt->fbtp_patchpoint = instr; fbt->fbtp_patchpoint = instr;
fbt->fbtp_ctl = lf; fbt->fbtp_ctl = lf;
fbt->fbtp_loadcnt = lf->loadcnt; fbt->fbtp_loadcnt = lf->loadcnt;
fbt->fbtp_symindx = symindx; fbt->fbtp_symindx = symindx;
Show All 28 Lines
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contrib/zlib/FAQ

Show First 20 Lines • Show All 61 Lines • ▼ Show 20 Lines
int int
fbt_invop(uintptr_t addr, struct trapframe *frame, uintptr_t rval) fbt_invop(uintptr_t addr, struct trapframe *frame, uintptr_t rval)
{ {
solaris_cpu_t *cpu; solaris_cpu_t *cpu;
uintptr_t *stack; uintptr_t *stack;
uintptr_t arg0, arg1, arg2, arg3, arg4; uintptr_t arg0, arg1, arg2, arg3, arg4;
fbt_probe_t *fbt; fbt_probe_t *fbt;
int8_t fbtrval;
#ifdef __amd64__ #ifdef __amd64__
stack = (uintptr_t *)frame->tf_rsp; stack = (uintptr_t *)frame->tf_rsp;
#else #else
/* Skip hardware-saved registers. */ /* Skip hardware-saved registers. */
stack = (uintptr_t *)frame->tf_isp + 3; stack = (uintptr_t *)frame->tf_isp + 3;
#endif #endif
cpu = &solaris_cpu[curcpu]; cpu = &solaris_cpu[curcpu];
fbt = fbt_probetab[FBT_ADDR2NDX(addr)]; fbt = fbt_probetab[FBT_ADDR2NDX(addr)];
for (; fbt != NULL; fbt = fbt->fbtp_hashnext) { for (; fbt != NULL; fbt = fbt->fbtp_hashnext) {
if ((uintptr_t)fbt->fbtp_patchpoint == addr) { if ((uintptr_t)fbt->fbtp_patchpoint != addr)
continue;
fbtrval = fbt->fbtp_rval;
for (; fbt != NULL; fbt = fbt->fbtp_tracenext) {
ASSERT(fbt->fbtp_rval == fbtrval);
if (fbt->fbtp_roffset == 0) { if (fbt->fbtp_roffset == 0) {
#ifdef __amd64__ #ifdef __amd64__
/* fbt->fbtp_rval == DTRACE_INVOP_PUSHQ_RBP */ /* fbt->fbtp_rval == DTRACE_INVOP_PUSHQ_RBP */
DTRACE_CPUFLAG_SET(CPU_DTRACE_NOFAULT); DTRACE_CPUFLAG_SET(CPU_DTRACE_NOFAULT);
cpu->cpu_dtrace_caller = stack[0]; cpu->cpu_dtrace_caller = stack[0];
DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT | DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT |
CPU_DTRACE_BADADDR); CPU_DTRACE_BADADDR);
Show All 40 Lines#ifdef __amd64__
DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT | DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT |
CPU_DTRACE_BADADDR); CPU_DTRACE_BADADDR);
#endif #endif
dtrace_probe(fbt->fbtp_id, fbt->fbtp_roffset, dtrace_probe(fbt->fbtp_id, fbt->fbtp_roffset,
rval, 0, 0, 0); rval, 0, 0, 0);
cpu->cpu_dtrace_caller = 0; cpu->cpu_dtrace_caller = 0;
} }
return (fbt->fbtp_rval);
} }
return (fbtrval);
} }
return (0); return (0);
} }
void void
fbt_patch_tracepoint(fbt_probe_t *fbt, fbt_patchval_t val) fbt_patch_tracepoint(fbt_probe_t *fbt, fbt_patchval_t val)
{ {
register_t intr; register_t intr;
bool old_wp; bool old_wp;
intr = intr_disable(); intr = intr_disable();
old_wp = disable_wp(); old_wp = disable_wp();
*fbt->fbtp_patchpoint = val; *fbt->fbtp_patchpoint = val;
restore_wp(old_wp); restore_wp(old_wp);
intr_restore(intr); intr_restore(intr);
} }
int int
fbt_provide_module_function(linker_file_t lf, int symindx, fbt_provide_module_function(linker_file_t lf, int symindx,
linker_symval_t *symval, void *opaque) linker_symval_t *symval, void *opaque)
{ {
char *modname = opaque; char *modname = opaque;
const char *name = symval->name; const char *name = symval->name;
fbt_probe_t *fbt, *retfbt; fbt_probe_t *fbt, *hash, *retfbt;
int j; int j;
int size; int size;
uint8_t *instr, *limit; uint8_t *instr, *limit;
if (fbt_excluded(name)) if (fbt_excluded(name))
return (0); return (0);
/* /*
▲ Show 20 Lines • Show All 45 Lines • ▼ Show 20 Lines#endif
fbt->fbtp_patchpoint = instr; fbt->fbtp_patchpoint = instr;
fbt->fbtp_ctl = lf; fbt->fbtp_ctl = lf;
fbt->fbtp_loadcnt = lf->loadcnt; fbt->fbtp_loadcnt = lf->loadcnt;
fbt->fbtp_rval = DTRACE_INVOP_PUSHL_EBP; fbt->fbtp_rval = DTRACE_INVOP_PUSHL_EBP;
fbt->fbtp_savedval = *instr; fbt->fbtp_savedval = *instr;
fbt->fbtp_patchval = FBT_PATCHVAL; fbt->fbtp_patchval = FBT_PATCHVAL;
fbt->fbtp_symindx = symindx; fbt->fbtp_symindx = symindx;
for (hash = fbt_probetab[FBT_ADDR2NDX(instr)]; hash != NULL;
hash = hash->fbtp_hashnext) {
if (hash->fbtp_patchpoint == fbt->fbtp_patchpoint) {
fbt->fbtp_tracenext = hash->fbtp_tracenext;
hash->fbtp_tracenext = fbt;
break;
}
}
if (hash == NULL) {
fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)]; fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)];
fbt_probetab[FBT_ADDR2NDX(instr)] = fbt; fbt_probetab[FBT_ADDR2NDX(instr)] = fbt;
}
lf->fbt_nentries++; lf->fbt_nentries++;
retfbt = NULL; retfbt = NULL;
again: again:
if (instr >= limit) if (instr >= limit)
return (0); return (0);
▲ Show 20 Lines • Show All 59 Lines • ▼ Show 20 Lines#endif
*/ */
fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK | M_ZERO); fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK | M_ZERO);
fbt->fbtp_name = name; fbt->fbtp_name = name;
if (retfbt == NULL) { if (retfbt == NULL) {
fbt->fbtp_id = dtrace_probe_create(fbt_id, modname, fbt->fbtp_id = dtrace_probe_create(fbt_id, modname,
name, FBT_RETURN, 3, fbt); name, FBT_RETURN, 3, fbt);
} else { } else {
retfbt->fbtp_next = fbt; retfbt->fbtp_probenext = fbt;
fbt->fbtp_id = retfbt->fbtp_id; fbt->fbtp_id = retfbt->fbtp_id;
} }
retfbt = fbt; retfbt = fbt;
fbt->fbtp_patchpoint = instr; fbt->fbtp_patchpoint = instr;
fbt->fbtp_ctl = lf; fbt->fbtp_ctl = lf;
fbt->fbtp_loadcnt = lf->loadcnt; fbt->fbtp_loadcnt = lf->loadcnt;
fbt->fbtp_symindx = symindx; fbt->fbtp_symindx = symindx;
Show All 28 Lines
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contrib/zlib/README

Show First 20 Lines • Show All 61 Lines • ▼ Show 20 Lines
int int
fbt_invop(uintptr_t addr, struct trapframe *frame, uintptr_t rval) fbt_invop(uintptr_t addr, struct trapframe *frame, uintptr_t rval)
{ {
solaris_cpu_t *cpu; solaris_cpu_t *cpu;
uintptr_t *stack; uintptr_t *stack;
uintptr_t arg0, arg1, arg2, arg3, arg4; uintptr_t arg0, arg1, arg2, arg3, arg4;
fbt_probe_t *fbt; fbt_probe_t *fbt;
int8_t fbtrval;
#ifdef __amd64__ #ifdef __amd64__
stack = (uintptr_t *)frame->tf_rsp; stack = (uintptr_t *)frame->tf_rsp;
#else #else
/* Skip hardware-saved registers. */ /* Skip hardware-saved registers. */
stack = (uintptr_t *)frame->tf_isp + 3; stack = (uintptr_t *)frame->tf_isp + 3;
#endif #endif
cpu = &solaris_cpu[curcpu]; cpu = &solaris_cpu[curcpu];
fbt = fbt_probetab[FBT_ADDR2NDX(addr)]; fbt = fbt_probetab[FBT_ADDR2NDX(addr)];
for (; fbt != NULL; fbt = fbt->fbtp_hashnext) { for (; fbt != NULL; fbt = fbt->fbtp_hashnext) {
if ((uintptr_t)fbt->fbtp_patchpoint == addr) { if ((uintptr_t)fbt->fbtp_patchpoint != addr)
continue;
fbtrval = fbt->fbtp_rval;
for (; fbt != NULL; fbt = fbt->fbtp_tracenext) {
ASSERT(fbt->fbtp_rval == fbtrval);
if (fbt->fbtp_roffset == 0) { if (fbt->fbtp_roffset == 0) {
#ifdef __amd64__ #ifdef __amd64__
/* fbt->fbtp_rval == DTRACE_INVOP_PUSHQ_RBP */ /* fbt->fbtp_rval == DTRACE_INVOP_PUSHQ_RBP */
DTRACE_CPUFLAG_SET(CPU_DTRACE_NOFAULT); DTRACE_CPUFLAG_SET(CPU_DTRACE_NOFAULT);
cpu->cpu_dtrace_caller = stack[0]; cpu->cpu_dtrace_caller = stack[0];
DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT | DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT |
CPU_DTRACE_BADADDR); CPU_DTRACE_BADADDR);
Show All 40 Lines#ifdef __amd64__
DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT | DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT |
CPU_DTRACE_BADADDR); CPU_DTRACE_BADADDR);
#endif #endif
dtrace_probe(fbt->fbtp_id, fbt->fbtp_roffset, dtrace_probe(fbt->fbtp_id, fbt->fbtp_roffset,
rval, 0, 0, 0); rval, 0, 0, 0);
cpu->cpu_dtrace_caller = 0; cpu->cpu_dtrace_caller = 0;
} }
return (fbt->fbtp_rval);
} }
return (fbtrval);
} }
return (0); return (0);
} }
void void
fbt_patch_tracepoint(fbt_probe_t *fbt, fbt_patchval_t val) fbt_patch_tracepoint(fbt_probe_t *fbt, fbt_patchval_t val)
{ {
register_t intr; register_t intr;
bool old_wp; bool old_wp;
intr = intr_disable(); intr = intr_disable();
old_wp = disable_wp(); old_wp = disable_wp();
*fbt->fbtp_patchpoint = val; *fbt->fbtp_patchpoint = val;
restore_wp(old_wp); restore_wp(old_wp);
intr_restore(intr); intr_restore(intr);
} }
int int
fbt_provide_module_function(linker_file_t lf, int symindx, fbt_provide_module_function(linker_file_t lf, int symindx,
linker_symval_t *symval, void *opaque) linker_symval_t *symval, void *opaque)
{ {
char *modname = opaque; char *modname = opaque;
const char *name = symval->name; const char *name = symval->name;
fbt_probe_t *fbt, *retfbt; fbt_probe_t *fbt, *hash, *retfbt;
int j; int j;
int size; int size;
uint8_t *instr, *limit; uint8_t *instr, *limit;
if (fbt_excluded(name)) if (fbt_excluded(name))
return (0); return (0);
/* /*
▲ Show 20 Lines • Show All 45 Lines • ▼ Show 20 Lines#endif
fbt->fbtp_patchpoint = instr; fbt->fbtp_patchpoint = instr;
fbt->fbtp_ctl = lf; fbt->fbtp_ctl = lf;
fbt->fbtp_loadcnt = lf->loadcnt; fbt->fbtp_loadcnt = lf->loadcnt;
fbt->fbtp_rval = DTRACE_INVOP_PUSHL_EBP; fbt->fbtp_rval = DTRACE_INVOP_PUSHL_EBP;
fbt->fbtp_savedval = *instr; fbt->fbtp_savedval = *instr;
fbt->fbtp_patchval = FBT_PATCHVAL; fbt->fbtp_patchval = FBT_PATCHVAL;
fbt->fbtp_symindx = symindx; fbt->fbtp_symindx = symindx;
for (hash = fbt_probetab[FBT_ADDR2NDX(instr)]; hash != NULL;
hash = hash->fbtp_hashnext) {
if (hash->fbtp_patchpoint == fbt->fbtp_patchpoint) {
fbt->fbtp_tracenext = hash->fbtp_tracenext;
hash->fbtp_tracenext = fbt;
break;
}
}
if (hash == NULL) {
fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)]; fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)];
fbt_probetab[FBT_ADDR2NDX(instr)] = fbt; fbt_probetab[FBT_ADDR2NDX(instr)] = fbt;
}
lf->fbt_nentries++; lf->fbt_nentries++;
retfbt = NULL; retfbt = NULL;
again: again:
if (instr >= limit) if (instr >= limit)
return (0); return (0);
▲ Show 20 Lines • Show All 59 Lines • ▼ Show 20 Lines#endif
*/ */
fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK | M_ZERO); fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK | M_ZERO);
fbt->fbtp_name = name; fbt->fbtp_name = name;
if (retfbt == NULL) { if (retfbt == NULL) {
fbt->fbtp_id = dtrace_probe_create(fbt_id, modname, fbt->fbtp_id = dtrace_probe_create(fbt_id, modname,
name, FBT_RETURN, 3, fbt); name, FBT_RETURN, 3, fbt);
} else { } else {
retfbt->fbtp_next = fbt; retfbt->fbtp_probenext = fbt;
fbt->fbtp_id = retfbt->fbtp_id; fbt->fbtp_id = retfbt->fbtp_id;
} }
retfbt = fbt; retfbt = fbt;
fbt->fbtp_patchpoint = instr; fbt->fbtp_patchpoint = instr;
fbt->fbtp_ctl = lf; fbt->fbtp_ctl = lf;
fbt->fbtp_loadcnt = lf->loadcnt; fbt->fbtp_loadcnt = lf->loadcnt;
fbt->fbtp_symindx = symindx; fbt->fbtp_symindx = symindx;
Show All 28 Lines
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