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- Upgrade to GDB 6.7. Drop redundant patches, forward-port remaining ones.

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- Fix rereading of the main executable on its change.
This commit is contained in:
Jan Kratochvil 2007-11-01 20:24:20 +00:00
commit eb9d945afa
55 changed files with 1702 additions and 7915 deletions
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85
gdb-6.3-ppcdotsolib-20041022.patch
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@ -3,64 +3,29 @@
* solib-svr4.c (enable_break): Convert a symbol descriptor into
the corresponding function entry point.
(solib_break_names): Delete "._dl_debug_state", no longer needed.
2007-10-12 Jan Kratochvil <jan.kratochvil@redhat.com>
Port to GDB-6.7.
*** ./gdb/solib-svr4.c.dist Fri Oct 22 11:50:31 2004
--- ./gdb/solib-svr4.c Fri Oct 22 11:53:19 2004
***************
*** 86,102 ****
"_dl_debug_state",
"rtld_db_dlactivity",
"_rtld_debug_state",
-
- /* On the 64-bit PowerPC, the linker symbol with the same name as
- the C function points to a function descriptor, not to the entry
- point. The linker symbol whose name is the C function name
- prefixed with a '.' points to the function's entry point. So
- when we look through this table, we ignore symbols that point
- into the data section (thus skipping the descriptor's symbol),
- and eventually try this one, giving us the real entry point
- address. */
- "._dl_debug_state",
-
NULL
};
--- 86,91 ----
***************
*** 1284,1301 ****
/* Now try to set a breakpoint in the dynamic linker. */
for (bkpt_namep = solib_break_names; *bkpt_namep != NULL; bkpt_namep++)
{
! /* On ABI's that use function descriptors, there are usually
! two linker symbols associated with each C function: one
! pointing at the actual entry point of the machine code,
! and one pointing at the function's descriptor. The
! latter symbol has the same name as the C function.
!
! What we're looking for here is the machine code entry
! point, so we are only interested in symbols in code
! sections. */
! sym_addr = bfd_lookup_symbol (tmp_bfd, *bkpt_namep, SEC_CODE);
if (sym_addr != 0)
! break;
}
/* We're done with both the temporary bfd and target. Remember,
--- 1273,1289 ----
/* Now try to set a breakpoint in the dynamic linker. */
for (bkpt_namep = solib_break_names; *bkpt_namep != NULL; bkpt_namep++)
{
! sym_addr = bfd_lookup_symbol (tmp_bfd, *bkpt_namep, 0);
if (sym_addr != 0)
! {
! /* The symbol might be a descriptor, convert to into the
! corresponding code address. */
! sym_addr = gdbarch_convert_from_func_ptr_addr (current_gdbarch,
! sym_addr,
! tmp_bfd_target);
! if (sym_addr != 0)
! break;
! }
}
/* We're done with both the temporary bfd and target. Remember,
Index: gdb-6.7/gdb/solib-svr4.c
===================================================================
--- gdb-6.7.orig/gdb/solib-svr4.c 2007-10-09 20:03:30.000000000 +0200
+++ gdb-6.7/gdb/solib-svr4.c 2007-10-12 22:34:03.000000000 +0200
@@ -1089,7 +1089,15 @@ enable_break (void)
{
sym_addr = bfd_lookup_symbol (tmp_bfd, *bkpt_namep);
if (sym_addr != 0)
- break;
+ {
+ /* The symbol might be a descriptor, convert to into the
+ corresponding code address. */
+ sym_addr = gdbarch_convert_from_func_ptr_addr (current_gdbarch,
+ sym_addr,
+ tmp_bfd_target);
+ if (sym_addr != 0)
+ break;
+ }
}
if (sym_addr != 0)