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authorMatt Mackall <mpm@selenic.com>2006-01-08 01:05:25 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-08 20:14:11 -0800
commit708e9a794cf8822b760edaccd9053edb07c34d19 (patch)
treeae5f0f9d69c082db751554b3f5717eee60d6205c
parente585e47031751f4e393e10ffd922885508b958dd (diff)
downloadop-kernel-dev-708e9a794cf8822b760edaccd9053edb07c34d19.zip
op-kernel-dev-708e9a794cf8822b760edaccd9053edb07c34d19.tar.gz
[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.c4
-rw-r--r--init/Kconfig6
2 files changed, 8 insertions, 2 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 288386b1..80ca932 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 1a1f114..9ac522a 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
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