diff options
| author | Matt Mackall <mpm@selenic.com> | 2006-01-08 01:05:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-08 20:14:11 -0800 |
| commit | 708e9a794cf8822b760edaccd9053edb07c34d19 (patch) | |
| tree | ae5f0f9d69c082db751554b3f5717eee60d6205c | |
| parent | e585e47031751f4e393e10ffd922885508b958dd (diff) | |
| download | lwn-708e9a794cf8822b760edaccd9053edb07c34d19.tar.gz lwn-708e9a794cf8822b760edaccd9053edb07c34d19.zip | |
[PATCH] tiny: Configure ELF core dump support
configurable support for ELF core dumps
text data bss dec hex filename
3330172 529036 190556 4049764 3dcb64 vmlinux-baseline
3325552 528912 190556 4045020 3db8dc vmlinux-no-elf
add/remove: 0/8 grow/shrink: 0/0 up/down: 0/-4424 (-4424)
function old new delta
fill_note 32 - -32
maydump 58 - -58
dump_seek 67 - -67
writenote 180 - -180
elf_dump_thread_status 274 - -274
fill_psinfo 308 - -308
fill_prstatus 466 - -466
elf_core_dump 3039 - -3039
Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | fs/binfmt_elf.c | 4 | ||||
| -rw-r--r-- | init/Kconfig | 6 |
2 files changed, 8 insertions, 2 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 288386b1deff..80ca932ba0bd 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -58,7 +58,7 @@ extern int dump_fpu (struct pt_regs *, elf_fpregset_t *); * If we don't support core dumping, then supply a NULL so we * don't even try. */ -#ifdef USE_ELF_CORE_DUMP +#if defined(USE_ELF_CORE_DUMP) && defined(CONFIG_ELF_CORE) static int elf_core_dump(long signr, struct pt_regs * regs, struct file * file); #else #define elf_core_dump NULL @@ -1113,7 +1113,7 @@ out: * Note that some platforms still use traditional core dumps and not * the ELF core dump. Each platform can select it as appropriate. */ -#ifdef USE_ELF_CORE_DUMP +#if defined(USE_ELF_CORE_DUMP) && defined(CONFIG_ELF_CORE) /* * ELF core dumper diff --git a/init/Kconfig b/init/Kconfig index 1a1f114a37e8..9ac522a40130 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -327,6 +327,12 @@ config DOUBLEFAULT would otherwise cause a system to silently reboot. Disabling this option saves about 4k. +config ELF_CORE + default y + bool "Enable ELF core dumps" if EMBEDDED + help + Enable support for generating core dumps. Disabling saves about 4k. + config BASE_FULL default y bool "Enable full-sized data structures for core" if EMBEDDED |