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Diffstat (limited to 'arch/x86/include/asm/ftrace.h')
-rw-r--r--arch/x86/include/asm/ftrace.h50
1 files changed, 26 insertions, 24 deletions
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index 6e8cf0fa48fc..93156ac4ffe0 100644
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -22,7 +22,7 @@
#define ARCH_SUPPORTS_FTRACE_OPS 1
#endif
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
extern void __fentry__(void);
static inline unsigned long ftrace_call_adjust(unsigned long addr)
@@ -34,6 +34,15 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr)
return addr;
}
+static inline unsigned long arch_ftrace_get_symaddr(unsigned long fentry_ip)
+{
+ if (is_endbr((void*)(fentry_ip - ENDBR_INSN_SIZE)))
+ fentry_ip -= ENDBR_INSN_SIZE;
+
+ return fentry_ip;
+}
+#define ftrace_get_symaddr(fentry_ip) arch_ftrace_get_symaddr(fentry_ip)
+
#ifdef CONFIG_HAVE_DYNAMIC_FTRACE_WITH_ARGS
#include <linux/ftrace_regs.h>
@@ -47,10 +56,23 @@ arch_ftrace_get_regs(struct ftrace_regs *fregs)
return &arch_ftrace_regs(fregs)->regs;
}
+#define arch_ftrace_fill_perf_regs(fregs, _regs) do { \
+ (_regs)->ip = arch_ftrace_regs(fregs)->regs.ip; \
+ (_regs)->sp = arch_ftrace_regs(fregs)->regs.sp; \
+ (_regs)->cs = __KERNEL_CS; \
+ (_regs)->flags = 0; \
+ } while (0)
+
#define ftrace_regs_set_instruction_pointer(fregs, _ip) \
do { arch_ftrace_regs(fregs)->regs.ip = (_ip); } while (0)
+static __always_inline unsigned long
+ftrace_regs_get_return_address(struct ftrace_regs *fregs)
+{
+ return *(unsigned long *)ftrace_regs_get_stack_pointer(fregs);
+}
+
struct ftrace_ops;
#define ftrace_graph_func ftrace_graph_func
void ftrace_graph_func(unsigned long ip, unsigned long parent_ip,
@@ -84,11 +106,11 @@ struct dyn_arch_ftrace {
};
#endif /* CONFIG_DYNAMIC_FTRACE */
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
#endif /* CONFIG_FUNCTION_TRACER */
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
void prepare_ftrace_return(unsigned long ip, unsigned long *parent,
unsigned long frame_pointer);
@@ -132,26 +154,6 @@ static inline bool arch_trace_is_compat_syscall(struct pt_regs *regs)
}
#endif /* CONFIG_FTRACE_SYSCALLS && CONFIG_IA32_EMULATION */
#endif /* !COMPILE_OFFSETS */
-#endif /* !__ASSEMBLY__ */
-
-#ifndef __ASSEMBLY__
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
-struct fgraph_ret_regs {
- unsigned long ax;
- unsigned long dx;
- unsigned long bp;
-};
-
-static inline unsigned long fgraph_ret_regs_return_value(struct fgraph_ret_regs *ret_regs)
-{
- return ret_regs->ax;
-}
-
-static inline unsigned long fgraph_ret_regs_frame_pointer(struct fgraph_ret_regs *ret_regs)
-{
- return ret_regs->bp;
-}
-#endif /* ifdef CONFIG_FUNCTION_GRAPH_TRACER */
-#endif
+#endif /* !__ASSEMBLER__ */
#endif /* _ASM_X86_FTRACE_H */