diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 10:29:52 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 10:29:52 -0800 |
commit | 9b2831704e9250269032e3b8c2ffdfca09fd2851 (patch) | |
tree | f0707f9cb808371e185f18268a14213a2e4fc392 /arch/sh/kernel/ftrace.c | |
parent | 337e4a1ab4d736b8c39a4c3a233ac21f1a6c036f (diff) | |
parent | 204fc390d86f7087201ec4a146bc07483186c35b (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (33 commits)
sh: Fix test of unsigned in se7722_irq_demux()
sh: mach-ecovec24: Add FSI sound support
sh: mach-ecovec24: Add mt9t112 camera support
sh: mach-ecovec24: Add tw9910 support
sh: MSIOF/mmc_spi platform data for the Ecovec24 board
sh: ms7724se: Add ak4642 support
sh: Fix up FPU build for SH5
sh: Remove old early serial console code V2
sh: sh5 scif pdata (sh5-101/sh5-103)
sh: sh4a scif pdata (sh7757/sh7763/sh7770/sh7780/sh7785/sh7786/x3)
sh: sh4a scif pdata (sh7343/sh7366/sh7722/sh7723/sh7724)
sh: sh4 scif pdata (sh7750/sh7760/sh4-202)
sh: sh3 scif pdata (sh7705/sh770x/sh7710/sh7720)
sh: sh2a scif pdata (sh7201/sh7203/sh7206/mxg)
sh: sh2 scif pdata (sh7616)
sh-sci: Extend sh-sci driver with early console V2
sh: Stub in P3 ioremap support for nommu parts.
sh: wire up vmallocinfo support in ioremap() implementations.
sh: Make the unaligned trap handler always obey notification levels.
sh: Couple kernel and user write page perm bits for CONFIG_X2TLB
...
Diffstat (limited to 'arch/sh/kernel/ftrace.c')
-rw-r--r-- | arch/sh/kernel/ftrace.c | 76 |
1 files changed, 2 insertions, 74 deletions
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c index b6f41c109beb..a48cdedc73b5 100644 --- a/arch/sh/kernel/ftrace.c +++ b/arch/sh/kernel/ftrace.c @@ -401,82 +401,10 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ #ifdef CONFIG_FTRACE_SYSCALLS - -extern unsigned long __start_syscalls_metadata[]; -extern unsigned long __stop_syscalls_metadata[]; extern unsigned long *sys_call_table; -static struct syscall_metadata **syscalls_metadata; - -static struct syscall_metadata *find_syscall_meta(unsigned long *syscall) -{ - struct syscall_metadata *start; - struct syscall_metadata *stop; - char str[KSYM_SYMBOL_LEN]; - - - start = (struct syscall_metadata *)__start_syscalls_metadata; - stop = (struct syscall_metadata *)__stop_syscalls_metadata; - kallsyms_lookup((unsigned long) syscall, NULL, NULL, NULL, str); - - for ( ; start < stop; start++) { - if (start->name && !strcmp(start->name, str)) - return start; - } - - return NULL; -} - -struct syscall_metadata *syscall_nr_to_meta(int nr) -{ - if (!syscalls_metadata || nr >= FTRACE_SYSCALL_MAX || nr < 0) - return NULL; - - return syscalls_metadata[nr]; -} - -int syscall_name_to_nr(char *name) -{ - int i; - - if (!syscalls_metadata) - return -1; - for (i = 0; i < NR_syscalls; i++) - if (syscalls_metadata[i]) - if (!strcmp(syscalls_metadata[i]->name, name)) - return i; - return -1; -} - -void set_syscall_enter_id(int num, int id) -{ - syscalls_metadata[num]->enter_id = id; -} - -void set_syscall_exit_id(int num, int id) -{ - syscalls_metadata[num]->exit_id = id; -} - -static int __init arch_init_ftrace_syscalls(void) +unsigned long __init arch_syscall_addr(int nr) { - int i; - struct syscall_metadata *meta; - unsigned long **psys_syscall_table = &sys_call_table; - - syscalls_metadata = kzalloc(sizeof(*syscalls_metadata) * - FTRACE_SYSCALL_MAX, GFP_KERNEL); - if (!syscalls_metadata) { - WARN_ON(1); - return -ENOMEM; - } - - for (i = 0; i < FTRACE_SYSCALL_MAX; i++) { - meta = find_syscall_meta(psys_syscall_table[i]); - syscalls_metadata[i] = meta; - } - - return 0; + return (unsigned long)sys_call_table[nr]; } -arch_initcall(arch_init_ftrace_syscalls); #endif /* CONFIG_FTRACE_SYSCALLS */ |