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| author | Qing Zhang <zhangqing@loongson.cn> | 2022-12-10 17:40:15 +0300 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2022-12-14 03:41:53 +0300 |
| commit | 8778ba2c8a5df11859dc6f2b2205700388b63fd3 (patch) | |
| tree | 612424dc16a18ca09c847d25ac2f7b6a84959e0b /arch/loongarch/include | |
| parent | 5fcfad3d41cc70f39fb31e7ee314989cc4c5f02c (diff) | |
| download | linux-8778ba2c8a5df11859dc6f2b2205700388b63fd3.tar.xz | |
LoongArch/ftrace: Add HAVE_DYNAMIC_FTRACE_WITH_REGS support
This patch implements CONFIG_DYNAMIC_FTRACE_WITH_REGS on LoongArch,
which allows a traced function's arguments (and some other registers)
to be captured into a struct pt_regs, allowing these to be inspected
and modified.
Co-developed-by: Jinyang He <hejinyang@loongson.cn>
Signed-off-by: Jinyang He <hejinyang@loongson.cn>
Signed-off-by: Qing Zhang <zhangqing@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include')
| -rw-r--r-- | arch/loongarch/include/asm/ftrace.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/ftrace.h b/arch/loongarch/include/asm/ftrace.h index 09ff0f84663d..dd4a0c8efd24 100644 --- a/arch/loongarch/include/asm/ftrace.h +++ b/arch/loongarch/include/asm/ftrace.h @@ -23,6 +23,8 @@ extern void prepare_ftrace_return(unsigned long self_addr, unsigned long callsit struct dyn_ftrace; struct dyn_arch_ftrace { }; +#define ARCH_SUPPORTS_FTRACE_OPS 1 + #define ftrace_init_nop ftrace_init_nop int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec); |