* Add FreeBSD action extensions.
* Get the kernel module file name rather than hard-coding it like on Solaris. * Use FreeBSD's process library API. * Handle FreeBSD's different lock types. * Get the list of loaded providers via a syscall.
This commit is contained in:
John Birrell
parent
132df6e9ab
commit
fb24b944be
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=178570
@ -27,13 +27,17 @@
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#pragma ident "%Z%%M% %I% %E% SMI"
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#include <sys/types.h>
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#if defined(sun)
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#include <sys/modctl.h>
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#include <sys/systeminfo.h>
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#endif
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#include <sys/resource.h>
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#include <libelf.h>
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#include <strings.h>
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#if defined(sun)
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#include <alloca.h>
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#endif
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#include <limits.h>
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#include <unistd.h>
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#include <stdlib.h>
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@ -52,6 +56,13 @@
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#include <dt_printf.h>
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#include <dt_string.h>
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#include <dt_provider.h>
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#if !defined(sun)
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#include <sys/sysctl.h>
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#include <string.h>
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#endif
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#if defined(__i386__)
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#include <ieeefp.h>
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#endif
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/*
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* Stability and versioning definitions. These #defines are used in the tables
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@ -103,8 +114,9 @@
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#define DT_VERS_1_4_1 DT_VERSION_NUMBER(1, 4, 1)
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#define DT_VERS_1_5 DT_VERSION_NUMBER(1, 5, 0)
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#define DT_VERS_1_6 DT_VERSION_NUMBER(1, 6, 0)
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#define DT_VERS_LATEST DT_VERS_1_6
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#define DT_VERS_STRING "Sun D 1.6"
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#define DT_VERS_1_6_1 DT_VERSION_NUMBER(1, 6, 1)
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#define DT_VERS_LATEST DT_VERS_1_6_1
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#define DT_VERS_STRING "Sun D 1.6.1"
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const dt_version_t _dtrace_versions[] = {
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DT_VERS_1_0, /* D API 1.0.0 (PSARC 2001/466) Solaris 10 FCS */
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@ -117,9 +129,21 @@ const dt_version_t _dtrace_versions[] = {
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DT_VERS_1_4_1, /* D API 1.4.1 Solaris Express 4/07 */
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DT_VERS_1_5, /* D API 1.5 Solaris Express 7/07 */
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DT_VERS_1_6, /* D API 1.6 */
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DT_VERS_1_6_1, /* D API 1.6.1 */
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0
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};
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/*
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* Global variables that are formatted on FreeBSD based on the kernel file name.
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*/
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#if !defined(sun)
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static char curthread_str[MAXPATHLEN];
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static char intmtx_str[MAXPATHLEN];
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static char threadmtx_str[MAXPATHLEN];
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static char rwlock_str[MAXPATHLEN];
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static char sxlock_str[MAXPATHLEN];
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#endif
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/*
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* Table of global identifiers. This is used to populate the global identifier
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* hash when a new dtrace client open occurs. For more info see dt_ident.h.
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@ -194,7 +218,11 @@ static const dt_ident_t _dtrace_globals[] = {
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{ "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD,
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{ DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE,
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DTRACE_CLASS_COMMON }, DT_VERS_1_0,
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#if defined(sun)
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&dt_idops_type, "genunix`kthread_t *" },
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#else
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&dt_idops_type, curthread_str },
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#endif
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{ "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, "string(void *, int64_t)" },
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@ -208,6 +236,8 @@ static const dt_ident_t _dtrace_globals[] = {
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&dt_idops_type, "uint_t" },
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{ "errno", DT_IDENT_SCALAR, 0, DIF_VAR_ERRNO, DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_type, "int" },
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{ "execargs", DT_IDENT_SCALAR, 0, DIF_VAR_EXECARGS,
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DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" },
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{ "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME,
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DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" },
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{ "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0,
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@ -237,15 +267,25 @@ static const dt_ident_t _dtrace_globals[] = {
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{ "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1,
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&dt_idops_func, "int(const char *, const char *, [int])" },
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{ "inet_ntoa", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA, DT_ATTR_STABCMN,
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#if defined(sun)
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DT_VERS_1_5, &dt_idops_func, "string(ipaddr_t *)" },
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#else
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DT_VERS_1_5, &dt_idops_func, "string(in_addr_t *)" },
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#endif
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{ "inet_ntoa6", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA6, DT_ATTR_STABCMN,
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#if defined(sun)
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DT_VERS_1_5, &dt_idops_func, "string(in6_addr_t *)" },
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#else
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DT_VERS_1_5, &dt_idops_func, "string(struct in6_addr *)" },
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#endif
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{ "inet_ntop", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOP, DT_ATTR_STABCMN,
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DT_VERS_1_5, &dt_idops_func, "string(int, void *)" },
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{ "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_type, "uint_t" },
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#if defined(sun)
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{ "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_func, "stack(...)" },
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#endif
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{ "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_func, "string(int64_t)" },
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{ "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE,
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@ -253,6 +293,8 @@ static const dt_ident_t _dtrace_globals[] = {
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&dt_idops_func, "void(@, int32_t, int32_t, ...)" },
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{ "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_func, "void(@)" },
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{ "memref", DT_IDENT_FUNC, 0, DIF_SUBR_MEMREF, DT_ATTR_STABCMN, DT_VERS_1_1,
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&dt_idops_func, "uintptr_t *(void *, size_t)" },
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{ "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_func, "void(@)" },
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{ "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN,
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@ -263,6 +305,7 @@ static const dt_ident_t _dtrace_globals[] = {
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{ "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE,
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DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_func, "size_t(mblk_t *)" },
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#if defined(sun)
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{ "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, "int(genunix`kmutex_t *)" },
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@ -275,6 +318,20 @@ static const dt_ident_t _dtrace_globals[] = {
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{ "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, "int(genunix`kmutex_t *)" },
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#else
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{ "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, intmtx_str },
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{ "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, threadmtx_str },
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{ "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, intmtx_str },
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{ "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, intmtx_str },
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#endif
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{ "ntohl", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHL, DT_ATTR_EVOLCMN, DT_VERS_1_3,
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&dt_idops_func, "uint32_t(uint32_t)" },
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{ "ntohll", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHLL, DT_ATTR_EVOLCMN, DT_VERS_1_3,
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@ -293,6 +350,10 @@ static const dt_ident_t _dtrace_globals[] = {
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&dt_idops_func, "void(@, ...)" },
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{ "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_func, "void(@, ...)" },
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{ "printm", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTM, DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_func, "void(size_t, uintptr_t *)" },
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{ "printt", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTT, DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_func, "void(size_t, uintptr_t *)" },
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{ "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC,
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DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" },
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{ "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD,
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@ -313,6 +374,7 @@ static const dt_ident_t _dtrace_globals[] = {
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&dt_idops_func, "int()" },
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{ "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1,
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&dt_idops_func, "int(const char *, const char *, [int])" },
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#if defined(sun)
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{ "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, "int(genunix`krwlock_t *)" },
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@ -322,6 +384,17 @@ static const dt_ident_t _dtrace_globals[] = {
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{ "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, "int(genunix`krwlock_t *)" },
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#else
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{ "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, rwlock_str },
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{ "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, rwlock_str },
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{ "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, rwlock_str },
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#endif
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{ "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_type, "void" },
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{ "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN,
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@ -357,6 +430,17 @@ static const dt_ident_t _dtrace_globals[] = {
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&dt_idops_func, "string(const char *, int, [int])" },
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{ "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_func, "void(@)" },
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#if !defined(sun)
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{ "sx_isexclusive", DT_IDENT_FUNC, 0, DIF_SUBR_SX_ISEXCLUSIVE,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, sxlock_str },
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{ "sx_shared_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_SHARED_HELD,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, sxlock_str },
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{ "sx_exclusive_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_EXCLUSIVE_HELD,
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DT_ATTR_EVOLCMN, DT_VERS_1_0,
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&dt_idops_func, sxlock_str },
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#endif
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{ "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN,
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DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" },
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{ "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0,
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@ -375,14 +459,19 @@ static const dt_ident_t _dtrace_globals[] = {
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&dt_idops_func, "void(@, size_t)" },
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{ "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN,
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DT_VERS_1_0, &dt_idops_func, "void(...)" },
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{ "typeref", DT_IDENT_FUNC, 0, DIF_SUBR_TYPEREF, DT_ATTR_STABCMN, DT_VERS_1_1,
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&dt_idops_func, "uintptr_t *(void *, size_t, string, size_t)" },
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#if defined(sun)
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{ "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN,
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DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" },
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{ "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN,
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DT_VERS_1_2, &dt_idops_type, "uint64_t" },
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{ "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN,
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DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" },
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#endif
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{ "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_type, "uid_t" },
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#if defined(sun)
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{ "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN,
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DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" },
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{ "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0,
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@ -394,14 +483,17 @@ static const dt_ident_t _dtrace_globals[] = {
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&dt_idops_type, "uint32_t" },
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{ "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN,
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DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" },
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#endif
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{ "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP,
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DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_type, "uint64_t" },
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{ "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP,
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DT_ATTR_STABCMN, DT_VERS_1_0,
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&dt_idops_type, "int64_t" },
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#if defined(sun)
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{ "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME,
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DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" },
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#endif
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{ NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL }
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};
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@ -641,11 +733,20 @@ const dtrace_pattr_t _dtrace_prvdesc = {
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||||
{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON },
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};
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#if defined(sun)
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const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */
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const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */
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||||
#else
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const char *_dtrace_defcpp = "cpp"; /* default cpp(1) to invoke */
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const char *_dtrace_defld = "ld"; /* default ld(1) to invoke */
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||||
#endif
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||||
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const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */
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||||
#if defined(sun)
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const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */
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||||
#else
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||||
const char *_dtrace_provdir = "/dev/dtrace"; /* provider directory */
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||||
#endif
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||||
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int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */
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||||
int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */
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||||
@ -658,7 +759,9 @@ int _dtrace_argmax = 32; /* default maximum number of probe arguments */
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||||
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||||
int _dtrace_debug = 0; /* debug messages enabled (off) */
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||||
const char *const _dtrace_version = DT_VERS_STRING; /* API version string */
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||||
#if defined(sun)
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||||
int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */
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||||
#endif
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||||
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||||
typedef struct dt_fdlist {
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int *df_fds; /* array of provider driver file descriptors */
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@ -666,16 +769,26 @@ typedef struct dt_fdlist {
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uint_t df_size; /* size of df_fds[] */
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} dt_fdlist_t;
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||||
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#if defined(sun)
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#pragma init(_dtrace_init)
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#else
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||||
void _dtrace_init(void) __attribute__ ((constructor));
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||||
#endif
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||||
void
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||||
_dtrace_init(void)
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||||
{
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||||
_dtrace_debug = getenv("DTRACE_DEBUG") != NULL;
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||||
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||||
#if defined(sun)
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||||
for (; _dtrace_rdvers > 0; _dtrace_rdvers--) {
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||||
if (rd_init(_dtrace_rdvers) == RD_OK)
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break;
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||||
}
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||||
#endif
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||||
#if defined(__i386__)
|
||||
/* make long doubles 64 bits -sson */
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||||
(void) fpsetprec(FP_PE);
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||||
#endif
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||||
}
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||||
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static dtrace_hdl_t *
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@ -693,9 +806,10 @@ dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp)
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||||
{
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||||
dt_provmod_t *prov;
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||||
char path[PATH_MAX];
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||||
int fd;
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||||
#if defined(sun)
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||||
struct dirent *dp, *ep;
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||||
DIR *dirp;
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||||
int fd;
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||||
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||||
if ((dirp = opendir(_dtrace_provdir)) == NULL)
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||||
return; /* failed to open directory; just skip it */
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||||
@ -740,6 +854,92 @@ dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp)
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||||
}
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||||
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||||
(void) closedir(dirp);
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||||
#else
|
||||
char *p;
|
||||
char *p1;
|
||||
char *p_providers = NULL;
|
||||
int error;
|
||||
size_t len = 0;
|
||||
|
||||
/*
|
||||
* Loop to allocate/reallocate memory for the string of provider
|
||||
* names and retry:
|
||||
*/
|
||||
while(1) {
|
||||
/*
|
||||
* The first time around, get the string length. The next time,
|
||||
* hopefully we've allocated enough memory.
|
||||
*/
|
||||
error = sysctlbyname("debug.dtrace.providers",p_providers,&len,NULL,0);
|
||||
if (len == 0)
|
||||
/* No providers? That's strange. Where's dtrace? */
|
||||
break;
|
||||
else if (error == 0 && p_providers == NULL) {
|
||||
/*
|
||||
* Allocate the initial memory which should be enough
|
||||
* unless another provider loads before we have
|
||||
* time to go back and get the string.
|
||||
*/
|
||||
if ((p_providers = malloc(len)) == NULL)
|
||||
/* How do we report errors here? */
|
||||
return;
|
||||
} else if (error == -1 && errno == ENOMEM) {
|
||||
/*
|
||||
* The current buffer isn't large enough, so
|
||||
* reallocate it. We normally won't need to do this
|
||||
* because providers aren't being loaded all the time.
|
||||
*/
|
||||
if ((p = realloc(p_providers,len)) == NULL)
|
||||
/* How do we report errors here? */
|
||||
return;
|
||||
p_providers = p;
|
||||
} else
|
||||
break;
|
||||
}
|
||||
|
||||
/* Check if we got a string of provider names: */
|
||||
if (error == 0 && len > 0 && p_providers != NULL) {
|
||||
p = p_providers;
|
||||
|
||||
/*
|
||||
* Parse the string containing the space separated
|
||||
* provider names.
|
||||
*/
|
||||
while ((p1 = strsep(&p," ")) != NULL) {
|
||||
if (dfp->df_ents == dfp->df_size) {
|
||||
uint_t size = dfp->df_size ? dfp->df_size * 2 : 16;
|
||||
int *fds = realloc(dfp->df_fds, size * sizeof (int));
|
||||
|
||||
if (fds == NULL)
|
||||
break;
|
||||
|
||||
dfp->df_fds = fds;
|
||||
dfp->df_size = size;
|
||||
}
|
||||
|
||||
(void) snprintf(path, sizeof (path), "/dev/dtrace/%s", p1);
|
||||
|
||||
if ((fd = open(path, O_RDONLY)) == -1)
|
||||
continue; /* failed to open driver; just skip it */
|
||||
|
||||
if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) ||
|
||||
(prov->dp_name = malloc(strlen(p1) + 1)) == NULL) {
|
||||
free(prov);
|
||||
(void) close(fd);
|
||||
break;
|
||||
}
|
||||
|
||||
(void) strcpy(prov->dp_name, p1);
|
||||
prov->dp_next = *provmod;
|
||||
*provmod = prov;
|
||||
|
||||
dt_dprintf("opened provider %s\n", p1);
|
||||
dfp->df_fds[dfp->df_ents++] = fd;
|
||||
}
|
||||
}
|
||||
if (p_providers != NULL)
|
||||
free(p_providers);
|
||||
#endif
|
||||
}
|
||||
|
||||
static void
|
||||
@ -756,6 +956,7 @@ dt_provmod_destroy(dt_provmod_t **provmod)
|
||||
*provmod = NULL;
|
||||
}
|
||||
|
||||
#if defined(sun)
|
||||
static const char *
|
||||
dt_get_sysinfo(int cmd, char *buf, size_t len)
|
||||
{
|
||||
@ -770,6 +971,7 @@ dt_get_sysinfo(int cmd, char *buf, size_t len)
|
||||
|
||||
return (buf);
|
||||
}
|
||||
#endif
|
||||
|
||||
static dtrace_hdl_t *
|
||||
dt_vopen(int version, int flags, int *errp,
|
||||
@ -857,7 +1059,11 @@ dt_vopen(int version, int flags, int *errp,
|
||||
dtfd = open("/dev/dtrace/dtrace", O_RDWR);
|
||||
err = errno; /* save errno from opening dtfd */
|
||||
|
||||
#if defined(sun)
|
||||
ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR);
|
||||
#else
|
||||
ftfd = open("/dev/dtrace/fasttrap", O_RDWR);
|
||||
#endif
|
||||
fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */
|
||||
|
||||
while (df.df_ents-- != 0)
|
||||
@ -906,7 +1112,11 @@ dt_vopen(int version, int flags, int *errp,
|
||||
dtp->dt_fterr = fterr;
|
||||
dtp->dt_cdefs_fd = -1;
|
||||
dtp->dt_ddefs_fd = -1;
|
||||
#if defined(sun)
|
||||
dtp->dt_stdout_fd = -1;
|
||||
#else
|
||||
dtp->dt_freopen_fp = NULL;
|
||||
#endif
|
||||
dtp->dt_modbuckets = _dtrace_strbuckets;
|
||||
dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *));
|
||||
dtp->dt_provbuckets = _dtrace_strbuckets;
|
||||
@ -934,6 +1144,7 @@ dt_vopen(int version, int flags, int *errp,
|
||||
|
||||
dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path);
|
||||
|
||||
#if defined(sun)
|
||||
(void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u",
|
||||
(uint_t)(sizeof (void *) * NBBY));
|
||||
|
||||
@ -948,6 +1159,7 @@ dt_vopen(int version, int flags, int *errp,
|
||||
dt_cpp_add_arg(dtp, isadef) == NULL ||
|
||||
dt_cpp_add_arg(dtp, utsdef) == NULL)
|
||||
return (set_open_errno(dtp, errp, EDT_NOMEM));
|
||||
#endif
|
||||
|
||||
if (flags & DTRACE_O_NODEV)
|
||||
bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf));
|
||||
@ -972,6 +1184,7 @@ dt_vopen(int version, int flags, int *errp,
|
||||
return (set_open_errno(dtp, errp, EDT_NOMEM));
|
||||
#endif
|
||||
|
||||
#if defined(sun)
|
||||
#ifdef __x86
|
||||
/*
|
||||
* On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit
|
||||
@ -985,6 +1198,17 @@ dt_vopen(int version, int flags, int *errp,
|
||||
if (dt_cpp_add_arg(dtp, "-D__i386") == NULL)
|
||||
return (set_open_errno(dtp, errp, EDT_NOMEM));
|
||||
}
|
||||
#endif
|
||||
#else
|
||||
#if defined(__amd64__) || defined(__i386__)
|
||||
if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) {
|
||||
if (dt_cpp_add_arg(dtp, "-m64") == NULL)
|
||||
return (set_open_errno(dtp, errp, EDT_NOMEM));
|
||||
} else {
|
||||
if (dt_cpp_add_arg(dtp, "-m32") == NULL)
|
||||
return (set_open_errno(dtp, errp, EDT_NOMEM));
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
||||
if (dtp->dt_conf.dtc_difversion < DIF_VERSION)
|
||||
@ -995,6 +1219,38 @@ dt_vopen(int version, int flags, int *errp,
|
||||
else
|
||||
bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64));
|
||||
|
||||
/*
|
||||
* On FreeBSD the kernel module name can't be hard-coded. The
|
||||
* 'kern.bootfile' sysctl value tells us exactly which file is being
|
||||
* used as the kernel.
|
||||
*/
|
||||
#if !defined(sun)
|
||||
{
|
||||
char bootfile[MAXPATHLEN];
|
||||
char *p;
|
||||
int i;
|
||||
size_t len = sizeof(bootfile);
|
||||
|
||||
/* This call shouldn't fail, but use a default just in case. */
|
||||
if (sysctlbyname("kern.bootfile", bootfile, &len, NULL, 0) != 0)
|
||||
strlcpy(bootfile, "kernel", sizeof(bootfile));
|
||||
|
||||
if ((p = strrchr(bootfile, '/')) != NULL)
|
||||
p++;
|
||||
else
|
||||
p = bootfile;
|
||||
|
||||
/*
|
||||
* Format the global variables based on the kernel module name.
|
||||
*/
|
||||
snprintf(curthread_str, sizeof(curthread_str), "%s`struct thread *",p);
|
||||
snprintf(intmtx_str, sizeof(intmtx_str), "int(%s`struct mtx *)",p);
|
||||
snprintf(threadmtx_str, sizeof(threadmtx_str), "struct thread *(%s`struct mtx *)",p);
|
||||
snprintf(rwlock_str, sizeof(rwlock_str), "int(%s`struct rwlock *)",p);
|
||||
snprintf(sxlock_str, sizeof(sxlock_str), "int(%s`struct sxlock *)",p);
|
||||
}
|
||||
#endif
|
||||
|
||||
dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX);
|
||||
dtp->dt_aggs = dt_idhash_create("aggregation", NULL,
|
||||
DTRACE_AGGVARIDNONE + 1, UINT_MAX);
|
||||
@ -1291,6 +1547,9 @@ dtrace_close(dtrace_hdl_t *dtp)
|
||||
dt_dirpath_t *dirp;
|
||||
int i;
|
||||
|
||||
if (dtp->dt_procs != NULL)
|
||||
dt_proc_hash_destroy(dtp);
|
||||
|
||||
while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL)
|
||||
dt_program_destroy(dtp, pgp);
|
||||
|
||||
@ -1319,9 +1578,6 @@ dtrace_close(dtrace_hdl_t *dtp)
|
||||
while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL)
|
||||
dt_provider_destroy(dtp, pvp);
|
||||
|
||||
if (dtp->dt_procs != NULL)
|
||||
dt_proc_hash_destroy(dtp);
|
||||
|
||||
if (dtp->dt_fd != -1)
|
||||
(void) close(dtp->dt_fd);
|
||||
if (dtp->dt_ftfd != -1)
|
||||
@ -1330,8 +1586,13 @@ dtrace_close(dtrace_hdl_t *dtp)
|
||||
(void) close(dtp->dt_cdefs_fd);
|
||||
if (dtp->dt_ddefs_fd != -1)
|
||||
(void) close(dtp->dt_ddefs_fd);
|
||||
#if defined(sun)
|
||||
if (dtp->dt_stdout_fd != -1)
|
||||
(void) close(dtp->dt_stdout_fd);
|
||||
#else
|
||||
if (dtp->dt_freopen_fp != NULL)
|
||||
(void) fclose(dtp->dt_freopen_fp);
|
||||
#endif
|
||||
|
||||
dt_epid_destroy(dtp);
|
||||
dt_aggid_destroy(dtp);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user