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Rebase to FSF GDB 7.5.

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- Update dlopen to support two variants of glibc (Gary Benson, BZ 669432).
This commit is contained in:
Jan Kratochvil 2012-08-18 09:41:09 +02:00
commit 30f2069f6e
13 changed files with 3349 additions and 469 deletions
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131
gdb-dlopen-stap-probe-4of7.patch Normal file
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@ -0,0 +1,131 @@
2012-07-19 Gary Benson <gbenson@redhat.com>
* solib-svr4.c (svr4_info): Move earlier.
(solib_svr4_pspace_data): Likewise.
(svr4_pspace_data_cleanup): Likewise.
(get_svr4_info): Likewise.
diff --git a/gdb/solib-svr4.c b/gdb/solib-svr4.c
index 307e483..c88b9cb 100644
--- a/gdb/solib-svr4.c
+++ b/gdb/solib-svr4.c
@@ -106,6 +106,59 @@ static const char * const main_name_list[] =
NULL
};
+/* Per pspace SVR4 specific data. */
+
+struct svr4_info
+{
+ CORE_ADDR debug_base; /* Base of dynamic linker structures. */
+
+ /* Validity flag for debug_loader_offset. */
+ int debug_loader_offset_p;
+
+ /* Load address for the dynamic linker, inferred. */
+ CORE_ADDR debug_loader_offset;
+
+ /* Name of the dynamic linker, valid if debug_loader_offset_p. */
+ char *debug_loader_name;
+
+ /* Load map address for the main executable. */
+ CORE_ADDR main_lm_addr;
+
+ CORE_ADDR interp_text_sect_low;
+ CORE_ADDR interp_text_sect_high;
+ CORE_ADDR interp_plt_sect_low;
+ CORE_ADDR interp_plt_sect_high;
+};
+
+/* Per-program-space data key. */
+static const struct program_space_data *solib_svr4_pspace_data;
+
+static void
+svr4_pspace_data_cleanup (struct program_space *pspace, void *arg)
+{
+ struct svr4_info *info;
+
+ info = program_space_data (pspace, solib_svr4_pspace_data);
+ xfree (info);
+}
+
+/* Get the current svr4 data. If none is found yet, add it now. This
+ function always returns a valid object. */
+
+static struct svr4_info *
+get_svr4_info (void)
+{
+ struct svr4_info *info;
+
+ info = program_space_data (current_program_space, solib_svr4_pspace_data);
+ if (info != NULL)
+ return info;
+
+ info = XZALLOC (struct svr4_info);
+ set_program_space_data (current_program_space, solib_svr4_pspace_data, info);
+ return info;
+}
+
/* Return non-zero if GDB_SO_NAME and INFERIOR_SO_NAME represent
the same shared library. */
@@ -291,59 +344,6 @@ lm_addr_check (struct so_list *so, bfd *abfd)
return so->lm_info->l_addr;
}
-/* Per pspace SVR4 specific data. */
-
-struct svr4_info
-{
- CORE_ADDR debug_base; /* Base of dynamic linker structures. */
-
- /* Validity flag for debug_loader_offset. */
- int debug_loader_offset_p;
-
- /* Load address for the dynamic linker, inferred. */
- CORE_ADDR debug_loader_offset;
-
- /* Name of the dynamic linker, valid if debug_loader_offset_p. */
- char *debug_loader_name;
-
- /* Load map address for the main executable. */
- CORE_ADDR main_lm_addr;
-
- CORE_ADDR interp_text_sect_low;
- CORE_ADDR interp_text_sect_high;
- CORE_ADDR interp_plt_sect_low;
- CORE_ADDR interp_plt_sect_high;
-};
-
-/* Per-program-space data key. */
-static const struct program_space_data *solib_svr4_pspace_data;
-
-static void
-svr4_pspace_data_cleanup (struct program_space *pspace, void *arg)
-{
- struct svr4_info *info;
-
- info = program_space_data (pspace, solib_svr4_pspace_data);
- xfree (info);
-}
-
-/* Get the current svr4 data. If none is found yet, add it now. This
- function always returns a valid object. */
-
-static struct svr4_info *
-get_svr4_info (void)
-{
- struct svr4_info *info;
-
- info = program_space_data (current_program_space, solib_svr4_pspace_data);
- if (info != NULL)
- return info;
-
- info = XZALLOC (struct svr4_info);
- set_program_space_data (current_program_space, solib_svr4_pspace_data, info);
- return info;
-}
-
/* Local function prototypes */
static int match_main (const char *);