From 815e6fa3e010628f77838abec18692cbfeb60809 Mon Sep 17 00:00:00 2001 From: Gary Benson Date: Thu, 26 Jul 2012 11:03:35 +0100 Subject: Add SystemTap static probes to the runtime linker. [BZ #14298] --- elf/dl-load.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'elf/dl-load.c') diff --git a/elf/dl-load.c b/elf/dl-load.c index fe83f87eb9..43e1269c43 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -35,6 +35,7 @@ #include #include #include +#include #include @@ -882,7 +883,7 @@ _dl_init_paths (const char *llp) static void __attribute__ ((noreturn, noinline)) lose (int code, int fd, const char *name, char *realname, struct link_map *l, - const char *msg, struct r_debug *r) + const char *msg, struct r_debug *r, Lmid_t nsid) { /* The file might already be closed. */ if (fd != -1) @@ -896,6 +897,7 @@ lose (int code, int fd, const char *name, char *realname, struct link_map *l, { r->r_state = RT_CONSISTENT; _dl_debug_state (); + LIBC_PROBE (map_failed, 2, nsid, r); } _dl_signal_error (code, name, NULL, msg); @@ -934,7 +936,7 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp, errval = errno; call_lose: lose (errval, fd, name, realname, l, errstring, - make_consistent ? r : NULL); + make_consistent ? r : NULL, nsid); } /* Look again to see if the real name matched another already loaded. */ @@ -1041,6 +1043,7 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp, linking has not been used before. */ r->r_state = RT_ADD; _dl_debug_state (); + LIBC_PROBE (map_start, 2, nsid, r); make_consistent = true; } else @@ -1736,7 +1739,7 @@ open_verify (const char *name, struct filebuf *fbp, struct link_map *loader, name = strdupa (realname); free (realname); } - lose (errval, fd, name, NULL, NULL, errstring, NULL); + lose (errval, fd, name, NULL, NULL, errstring, NULL, 0); } /* See whether the ELF header is what we expect. */ -- cgit 1.4.1