For generating function formal parameters without debuginfo, add
function to get names and offsets of architecture dependent calling
regs.
Signed-off-by: He Kuang <heku...@huawei.com>
---
tools/perf/util/include/dwarf-regs.h | 2 ++
tools/perf/util/probe-finder.c | 10 ++++++++++
2 files changed, 12 insertions(+)
diff --git a/tools/perf/util/include/dwarf-regs.h
b/tools/perf/util/include/dwarf-regs.h
index 566ff6d..dc02243 100644
--- a/tools/perf/util/include/dwarf-regs.h
+++ b/tools/perf/util/include/dwarf-regs.h
@@ -16,6 +16,8 @@ struct arch_regs_info {
const char *get_arch_regstr(unsigned int n);
int get_arch_reg_offset(unsigned int n);
int get_arch_reg_size(unsigned int n);
+const char *get_arch_calling_reg_str(unsigned int n);
+int get_arch_calling_reg_offset(unsigned int n);
#endif
#endif
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 681af00..4de7649 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -169,6 +169,16 @@ get_arch_reg_size(unsigned int n __maybe_unused) {
return -1;
}
+const char __attribute__ ((weak))
+*get_arch_calling_reg_str(unsigned int n __maybe_unused) {
+ return NULL;
+}
+
+int __attribute__ ((weak))
+get_arch_calling_reg_offset(unsigned int n __maybe_unused) {
+ return -1;
+}
+
/*
* Convert a location into trace_arg.
* If tvar == NULL, this just checks variable can be converted.
--
1.8.5.2
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