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authorRichard Purdie <richard@openedhand.com>2005-11-16 16:17:28 +0000
committerRichard Purdie <richard@openedhand.com>2005-11-16 16:17:28 +0000
commitf0d9a3840ce349e606f5a6bfcf552c1adcaf2a46 (patch)
treeffe527195ab7e2074bab7f9adff844b723899ce3 /openembedded
parentd4f985f2bc606c6767f6c2e96c36c434f4d9fd0b (diff)
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gdb: remove arm mapping symbols
git-svn-id: https://svn.o-hand.com/repos/poky@181 311d38ba-8fff-0310-9ca6-ca027cbcb966
Diffstat (limited to 'openembedded')
-rw-r--r--openembedded/packages/gdb/files/kill_arm_map_symbols.patch24
-rw-r--r--openembedded/packages/gdb/gdb_6.3.bb1
2 files changed, 25 insertions, 0 deletions
diff --git a/openembedded/packages/gdb/files/kill_arm_map_symbols.patch b/openembedded/packages/gdb/files/kill_arm_map_symbols.patch
new file mode 100644
index 000000000..177142192
--- /dev/null
+++ b/openembedded/packages/gdb/files/kill_arm_map_symbols.patch
@@ -0,0 +1,24 @@
+Index: gdb-6.3/gdb/arm-tdep.c
+===================================================================
+--- gdb-6.3.orig/gdb/arm-tdep.c 2004-08-03 02:02:20.000000000 +0000
++++ gdb-6.3/gdb/arm-tdep.c 2005-11-09 15:13:29.000000000 +0000
+@@ -2491,6 +2491,19 @@
+ static void
+ arm_elf_make_msymbol_special(asymbol *sym, struct minimal_symbol *msym)
+ {
++
++ /* FIXME: We want gdb to ignore the ARM ELF mapping symbols when
++ displaying disassembly so we use this horrible hack here to
++ artifically set their address to the highest possible value.
++ This is wrong of course, and it prevents the symbols from being
++ used for their intended purpose - to distinguish between ARM
++ and THUMB code. So we ought to find a better way to do this. */
++ if (bfd_asymbol_name (sym)
++ && bfd_asymbol_name (sym)[0] == '$'
++ && bfd_asymbol_name (sym)[1] != 0
++ && bfd_asymbol_name (sym)[2] == 0)
++ SYMBOL_VALUE_ADDRESS(msym) = (CORE_ADDR) 0x7ffffffc;
++
+ /* Thumb symbols are of type STT_LOPROC, (synonymous with
+ STT_ARM_TFUNC). */
+ if (ELF_ST_TYPE (((elf_symbol_type *)sym)->internal_elf_sym.st_info)
diff --git a/openembedded/packages/gdb/gdb_6.3.bb b/openembedded/packages/gdb/gdb_6.3.bb
index 98825500f..3e755cee6 100644
--- a/openembedded/packages/gdb/gdb_6.3.bb
+++ b/openembedded/packages/gdb/gdb_6.3.bb
@@ -15,6 +15,7 @@ inherit autotools gettext
SRC_URI = "${GNU_MIRROR}/gdb/gdb-${PV}.tar.gz \
file://uclibc.patch;patch=1 \
+ file://kill_arm_map_symbols.patch;patch=1 \
file://gdbserver-cflags-last.diff;patch=1;pnum=0"
LDFLAGS_append = " -s"