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| author | Guo Ren <ren_guo@c-sky.com> | 2018-12-15 14:04:27 +0100 |
|---|---|---|
| committer | Guo Ren <ren_guo@c-sky.com> | 2018-12-31 16:17:23 +0100 |
| commit | d7950be145c84ca5094c52bc1ad1e7f1893d0f19 (patch) | |
| tree | c69b59c597f07f36159112ad3afc251feb32455e /arch/csky/include | |
| parent | csky: basic ftrace supported (diff) | |
| download | linux-d7950be145c84ca5094c52bc1ad1e7f1893d0f19.tar.xz linux-d7950be145c84ca5094c52bc1ad1e7f1893d0f19.zip | |
csky: ftrace call graph supported.
With csky-gcc -pg -mbacktrace, ftrace call graph supported.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Diffstat (limited to 'arch/csky/include')
| -rw-r--r-- | arch/csky/include/asm/ftrace.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/csky/include/asm/ftrace.h b/arch/csky/include/asm/ftrace.h index 1d22a1787b8b..7547c45312a8 100644 --- a/arch/csky/include/asm/ftrace.h +++ b/arch/csky/include/asm/ftrace.h @@ -4,6 +4,10 @@ #ifndef __ASM_CSKY_FTRACE_H #define __ASM_CSKY_FTRACE_H -extern void _mcount(unsigned long from_pc); +#define MCOUNT_INSN_SIZE 4 + +#define HAVE_FUNCTION_GRAPH_FP_TEST + +#define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR #endif /* __ASM_CSKY_FTRACE_H */ |