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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-01-22 17:03:19 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-02-15 23:16:03 +0530 |
| commit | 854a0d95056c265d96cb449bc97bc5ef9bbed835 (patch) | |
| tree | 798c834ae188bd570b861a47765fce8ed633f85a /arch/arc/kernel/entry.S | |
| parent | 41195d236e84458bebd4fdc218610a92231ac791 (diff) | |
| download | linux-854a0d95056c265d96cb449bc97bc5ef9bbed835.tar.bz2 | |
ARC: DWARF2 .debug_frame based stack unwinder
-Originally written by Rajeshwar Ranga
-Derived off of generic unwinder in 2.6.19 and adapted to ARC
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Rajeshwar Ranga <rajeshwar.ranga@gmail.com>
Diffstat (limited to 'arch/arc/kernel/entry.S')
| -rw-r--r-- | arch/arc/kernel/entry.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index 3f6ce98fea11..021cfa46a1dc 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -815,3 +815,12 @@ ARC_ENTRY sys_clone_wrapper b ret_from_system_call ARC_EXIT sys_clone_wrapper + +#ifdef CONFIG_ARC_DW2_UNWIND +; Workaround for bug 94179 (STAR ): +; Despite -fasynchronous-unwind-tables, linker is not making dwarf2 unwinder +; section (.debug_frame) as loadable. So we force it here. +; This also fixes STAR 9000487933 where the prev-workaround (objcopy --setflag) +; would not work after a clean build due to kernel build system dependencies. +.section .debug_frame, "wa",@progbits +#endif |