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| author | Catalin Marinas <catalin.marinas@arm.com> | 2009-02-11 15:09:54 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-02-19 14:27:19 +0300 |
| commit | 2e1926e7b5d39eb31880152d636e8d8d011888cb (patch) | |
| tree | 3d871e05d14db1358f065cd87e310c6f59430cb8 /arch/arm/include | |
| parent | bff595c15c92b9c5c8f3d32edefcef6c3cbdd59f (diff) | |
| download | linux-2e1926e7b5d39eb31880152d636e8d8d011888cb.tar.xz | |
[ARM] 5384/1: unwind: Add stack unwinding support for loadable modules
This patch adds ELF section parsing for the unwinding tables in loadable
modules together with the PREL31 relocation symbol resolving.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/elf.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/module.h | 22 |
2 files changed, 18 insertions, 5 deletions
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h index a58378c343b9..def8eac6e89d 100644 --- a/arch/arm/include/asm/elf.h +++ b/arch/arm/include/asm/elf.h @@ -50,6 +50,7 @@ typedef struct user_fp elf_fpregset_t; #define R_ARM_ABS32 2 #define R_ARM_CALL 28 #define R_ARM_JUMP24 29 +#define R_ARM_PREL31 42 /* * These are used to set parameters in the core dumps. diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h index 24b168dc31a3..e4dfa69abb68 100644 --- a/arch/arm/include/asm/module.h +++ b/arch/arm/include/asm/module.h @@ -1,15 +1,27 @@ #ifndef _ASM_ARM_MODULE_H #define _ASM_ARM_MODULE_H -struct mod_arch_specific -{ - int foo; -}; - #define Elf_Shdr Elf32_Shdr #define Elf_Sym Elf32_Sym #define Elf_Ehdr Elf32_Ehdr +struct unwind_table; + +struct mod_arch_specific +{ +#ifdef CONFIG_ARM_UNWIND + Elf_Shdr *unw_sec_init; + Elf_Shdr *unw_sec_devinit; + Elf_Shdr *unw_sec_core; + Elf_Shdr *sec_init_text; + Elf_Shdr *sec_devinit_text; + Elf_Shdr *sec_core_text; + struct unwind_table *unwind_init; + struct unwind_table *unwind_devinit; + struct unwind_table *unwind_core; +#endif +}; + /* * Include the ARM architecture version. */ |