apfs/linux-apfs
0
0
Fork 0
mirror of https://github.com/linux-apfs/linux-apfs.git synced 2026-05-01 15:00:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

Simplify kallsyms_lookup()

Browse Source 
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>
This commit is contained in:
Alexey Dobriyan
2007-05-08 00:28:41 -07:00
committed by Linus Torvalds
parent ea07890a68
commit ffb4512276
10 changed files with 20 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/parisc/kernel/unwind.c
+1 -4
View File
@@ -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);
arch/powerpc/xmon/xmon.c
+1 -2
View File
@@ -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;
arch/sh64/kernel/unwind.c
+3 -3
View File
@@ -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;