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-rw-r--r--meta/recipes-devtools/gdb/gdb/kill_arm_map_symbols.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gdb/gdb/kill_arm_map_symbols.patch b/meta/recipes-devtools/gdb/gdb/kill_arm_map_symbols.patch
new file mode 100644
index 0000000..9fc45b9
--- /dev/null
+++ b/meta/recipes-devtools/gdb/gdb/kill_arm_map_symbols.patch
@@ -0,0 +1,26 @@
1Upstream-Status: Inappropriate [embedded specific]
2
3Index: gdb-7.3/gdb/arm-tdep.c
4===================================================================
5--- gdb-7.3.orig/gdb/arm-tdep.c 2011-05-17 14:27:01.000000000 -0700
6+++ gdb-7.3/gdb/arm-tdep.c 2011-08-05 22:29:58.784201850 -0700
7@@ -7806,6 +7806,19 @@
8 static void
9 arm_elf_make_msymbol_special(asymbol *sym, struct minimal_symbol *msym)
10 {
11+
12+ /* FIXME: We want gdb to ignore the ARM ELF mapping symbols when
13+ displaying disassembly so we use this horrible hack here to
14+ artifically set their address to the highest possible value.
15+ This is wrong of course, and it prevents the symbols from being
16+ used for their intended purpose - to distinguish between ARM
17+ and THUMB code. So we ought to find a better way to do this. */
18+ if (bfd_asymbol_name (sym)
19+ && bfd_asymbol_name (sym)[0] == '$'
20+ && bfd_asymbol_name (sym)[1] != 0
21+ && bfd_asymbol_name (sym)[2] == 0)
22+ SYMBOL_VALUE_ADDRESS(msym) = (CORE_ADDR) 0x7ffffffc;
23+
24 if (ARM_SYM_BRANCH_TYPE (&((elf_symbol_type *)sym)->internal_elf_sym)
25 == ST_BRANCH_TO_THUMB)
26 MSYMBOL_SET_SPECIAL (msym);