158 lines
4.8 KiB
Diff
158 lines
4.8 KiB
Diff
diff -Nrup a/elf/dl-close.c b/elf/dl-close.c
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--- a/elf/dl-close.c 2012-01-25 21:49:58.892869984 -0700
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+++ b/elf/dl-close.c 2012-01-25 21:50:22.283882509 -0700
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@@ -32,6 +32,7 @@
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#include <sys/mman.h>
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#include <sysdep-cancel.h>
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#include <tls.h>
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+#include <stap-probe.h>
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/* Type of the constructor functions. */
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@@ -469,6 +470,7 @@ _dl_close_worker (struct link_map *map)
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struct r_debug *r = _dl_debug_initialize (0, nsid);
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r->r_state = RT_DELETE;
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_dl_debug_state ();
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+ LIBC_PROBE (rtld_unmap_start, 2, nsid, r);
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if (unload_global)
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{
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@@ -738,6 +740,7 @@ _dl_close_worker (struct link_map *map)
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/* Notify the debugger those objects are finalized and gone. */
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r->r_state = RT_CONSISTENT;
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_dl_debug_state ();
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+ LIBC_PROBE (rtld_unmap_complete, 2, nsid, r);
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/* Recheck if we need to retry, release the lock. */
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out:
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diff -Nrup a/elf/dl-load.c b/elf/dl-load.c
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--- a/elf/dl-load.c 2012-01-25 21:49:58.895869986 -0700
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+++ b/elf/dl-load.c 2012-01-25 21:50:22.288882511 -0700
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@@ -36,6 +36,7 @@
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#include <stackinfo.h>
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#include <caller.h>
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#include <sysdep.h>
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+#include <stap-probe.h>
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#include <dl-dst.h>
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@@ -881,7 +882,7 @@ _dl_init_paths (const char *llp)
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static void
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__attribute__ ((noreturn, noinline))
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lose (int code, int fd, const char *name, char *realname, struct link_map *l,
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- const char *msg, struct r_debug *r)
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+ const char *msg, struct r_debug *r, Lmid_t nsid)
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{
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/* The file might already be closed. */
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if (fd != -1)
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@@ -895,6 +896,7 @@ lose (int code, int fd, const char *name
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{
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r->r_state = RT_CONSISTENT;
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_dl_debug_state ();
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+ LIBC_PROBE (rtld_map_complete, 2, nsid, r);
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}
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_dl_signal_error (code, name, NULL, msg);
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@@ -933,7 +935,7 @@ _dl_map_object_from_fd (const char *name
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errval = errno;
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call_lose:
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lose (errval, fd, name, realname, l, errstring,
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- make_consistent ? r : NULL);
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+ make_consistent ? r : NULL, nsid);
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}
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/* Look again to see if the real name matched another already loaded. */
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@@ -1040,6 +1042,7 @@ _dl_map_object_from_fd (const char *name
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linking has not been used before. */
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r->r_state = RT_ADD;
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_dl_debug_state ();
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+ LIBC_PROBE (rtld_map_start, 2, nsid, r);
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make_consistent = true;
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}
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else
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@@ -1735,7 +1738,7 @@ open_verify (const char *name, struct fi
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name = strdupa (realname);
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free (realname);
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}
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- lose (errval, fd, name, NULL, NULL, errstring, NULL);
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+ lose (errval, fd, name, NULL, NULL, errstring, NULL, 0);
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}
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/* See whether the ELF header is what we expect. */
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diff -Nrup a/elf/dl-open.c b/elf/dl-open.c
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--- a/elf/dl-open.c 2012-01-01 05:16:32.000000000 -0700
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+++ b/elf/dl-open.c 2012-01-25 21:50:22.291882514 -0700
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@@ -33,6 +33,7 @@
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#include <caller.h>
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#include <sysdep-cancel.h>
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#include <tls.h>
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+#include <stap-probe.h>
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#include <dl-dst.h>
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@@ -292,6 +293,7 @@ dl_open_worker (void *a)
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struct r_debug *r = _dl_debug_initialize (0, args->nsid);
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r->r_state = RT_CONSISTENT;
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_dl_debug_state ();
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+ LIBC_PROBE (rtld_map_complete, 2, args->nsid, r);
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/* Print scope information. */
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if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_SCOPES, 0))
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@@ -308,10 +310,18 @@ dl_open_worker (void *a)
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struct link_map *l = new;
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while (l->l_next)
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l = l->l_next;
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+ int relocation_in_progress = 0;
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while (1)
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{
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if (! l->l_real->l_relocated)
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{
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+ if (! relocation_in_progress)
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+ {
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+ /* Notify the debugger that relocations are about to happen. */
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+ LIBC_PROBE (rtld_reloc_start, 2, args->nsid, r);
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+ relocation_in_progress = 1;
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+ }
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+
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#ifdef SHARED
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if (__builtin_expect (GLRO(dl_profile) != NULL, 0))
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{
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@@ -481,6 +491,10 @@ cannot load any more object with static
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}
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}
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+ /* Notify the debugger all new objects have been relocated. */
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+ if (relocation_in_progress)
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+ LIBC_PROBE (rtld_reloc_complete, 2, args->nsid, r);
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+
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/* Run the initializer functions of new objects. */
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_dl_init (new, args->argc, args->argv, args->env);
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diff -Nrup a/elf/rtld.c b/elf/rtld.c
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--- a/elf/rtld.c 2012-01-25 21:49:58.898869987 -0700
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+++ b/elf/rtld.c 2012-01-25 21:53:42.262987201 -0700
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@@ -40,6 +40,7 @@
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#include <dl-osinfo.h>
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#include <dl-procinfo.h>
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#include <tls.h>
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+#include <stap-probe.h>
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#include <stackinfo.h>
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#include <assert.h>
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@@ -1670,6 +1671,7 @@ ERROR: ld.so: object '%s' cannot be load
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/* We start adding objects. */
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r->r_state = RT_ADD;
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_dl_debug_state ();
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+ LIBC_PROBE (rtld_init_start, 2, LM_ID_BASE, r);
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/* Auditing checkpoint: we are ready to signal that the initial map
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is being constructed. */
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@@ -2382,6 +2384,7 @@ ERROR: ld.so: object '%s' cannot be load
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r = _dl_debug_initialize (0, LM_ID_BASE);
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r->r_state = RT_CONSISTENT;
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_dl_debug_state ();
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+ LIBC_PROBE (rtld_init_complete, 2, LM_ID_BASE, r);
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#ifndef MAP_COPY
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/* We must munmap() the cache file. */
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