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ftrace: Use arch_ftrace_regs() for ftrace_regs_*() macros

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Since the arch_ftrace_get_regs(fregs) is only valid when the
FL_SAVE_REGS is set, we need to use `&arch_ftrace_regs()->regs` for
ftrace_regs_*() APIs because those APIs are for ftrace_regs, not
complete pt_regs.

Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf <bpf@vger.kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/172895572290.107311.16057631001860177198.stgit@devnote2
Fixes: e4cf33ca48 ("ftrace: Consolidate ftrace_regs accessor functions for archs using pt_regs")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu (Google) 2024-10-15 10:28:43 +09:00 committed by Steven Rostedt (Google)
parent e4cf33ca48
commit 0b582611a8
1 changed files with 6 additions and 6 deletions
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12
include/linux/ftrace_regs.h
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@ -17,17 +17,17 @@ struct __arch_ftrace_regs {
struct ftrace_regs;
#define ftrace_regs_get_instruction_pointer(fregs) \
instruction_pointer(arch_ftrace_get_regs(fregs))
instruction_pointer(&arch_ftrace_regs(fregs)->regs)
#define ftrace_regs_get_argument(fregs, n) \
regs_get_kernel_argument(arch_ftrace_get_regs(fregs), n)
regs_get_kernel_argument(&arch_ftrace_regs(fregs)->regs, n)
#define ftrace_regs_get_stack_pointer(fregs) \
kernel_stack_pointer(arch_ftrace_get_regs(fregs))
kernel_stack_pointer(&arch_ftrace_regs(fregs)->regs)
#define ftrace_regs_return_value(fregs) \
regs_return_value(arch_ftrace_get_regs(fregs))
regs_return_value(&arch_ftrace_regs(fregs)->regs)
#define ftrace_regs_set_return_value(fregs, ret) \
regs_set_return_value(arch_ftrace_get_regs(fregs), ret)
regs_set_return_value(&arch_ftrace_regs(fregs)->regs, ret)
#define ftrace_override_function_with_return(fregs) \
override_function_with_return(arch_ftrace_get_regs(fregs))
override_function_with_return(&arch_ftrace_regs(fregs)->regs)
#define ftrace_regs_query_register_offset(name) \
regs_query_register_offset(name)