diff options
| author | Alexey Dobriyan <adobriyan@sw.ru> | 2007-05-08 00:28:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:15:08 -0700 |
| commit | ffb45122766db220d0bf3d01848d575fbbcb6430 (patch) | |
| tree | a8fedf0518407ad12578a7c03aa2c3344f11ff3c /arch | |
| parent | ea07890a680273b25127129fb555aac0d9324bea (diff) | |
Simplify kallsyms_lookup()
Several kallsyms_lookup() pass dummy arguments but only need, say, module's
name. Make kallsyms_lookup() accept NULLs where possible.
Also, makes picture clearer about what interfaces are needed for all symbol
resolving business.
Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/parisc/kernel/unwind.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/xmon/xmon.c | 3 | ||||
| -rw-r--r-- | arch/sh64/kernel/unwind.c | 6 |
3 files changed, 5 insertions, 9 deletions
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index 5f75b3e6598..89c03707ecc 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -216,11 +216,8 @@ static void unwind_frame_regs(struct unwind_frame_info *info) /* Handle some frequent special cases.... */ { char symname[KSYM_NAME_LEN+1]; - char *modname; - unsigned long symsize, offset; - kallsyms_lookup(info->ip, &symsize, &offset, - &modname, symname); + kallsyms_lookup(info->ip, NULL, NULL, NULL, symname); dbg("info->ip = 0x%lx, name = %s\n", info->ip, symname); diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index b481db1dacb..28fdf4f50c2 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -1217,7 +1217,6 @@ static void get_function_bounds(unsigned long pc, unsigned long *startp, { unsigned long size, offset; const char *name; - char *modname; *startp = *endp = 0; if (pc == 0) @@ -1225,7 +1224,7 @@ static void get_function_bounds(unsigned long pc, unsigned long *startp, if (setjmp(bus_error_jmp) == 0) { catch_memory_errors = 1; sync(); - name = kallsyms_lookup(pc, &size, &offset, &modname, tmpstr); + name = kallsyms_lookup(pc, &size, &offset, NULL, tmpstr); if (name != NULL) { *startp = pc - offset; *endp = pc - offset + size; diff --git a/arch/sh64/kernel/unwind.c b/arch/sh64/kernel/unwind.c index f934f97f9f9..1214c78e358 100644 --- a/arch/sh64/kernel/unwind.c +++ b/arch/sh64/kernel/unwind.c @@ -46,15 +46,15 @@ static int lookup_prev_stack_frame(unsigned long fp, unsigned long pc, struct pt_regs *regs) { const char *sym; - char *modname, namebuf[128]; - unsigned long offset, size; + char namebuf[128]; + unsigned long offset; unsigned long prologue = 0; unsigned long fp_displacement = 0; unsigned long fp_prev = 0; unsigned long offset_r14 = 0, offset_r18 = 0; int i, found_prologue_end = 0; - sym = kallsyms_lookup(pc, &size, &offset, &modname, namebuf); + sym = kallsyms_lookup(pc, NULL, &offset, NULL, namebuf); if (!sym) return -EINVAL; |