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Fix stack walk display

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This commit is contained in:
Théophile Bastian 2018-04-27 17:32:49 +02:00
parent 4595bb48fb
commit b8f6a2302c
2 changed files with 4 additions and 4 deletions
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2
tests/Makefile
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@ -1,5 +1,5 @@
CXX=g++ CXX=g++
CXXFLAGS=-Wall -Wextra -O2 -g -I../stack_walker -rdynamic CXXFLAGS=-Wall -Wextra -O0 -g -I../stack_walker -rdynamic
stack_walked.bin: stack_walked.cpp stack_walked.bin: stack_walked.cpp
$(CXX) $(CXXFLAGS) -o $@ $^ -L../stack_walker -ldl -lstack_walker $(CXX) $(CXXFLAGS) -o $@ $^ -L../stack_walker -ldl -lstack_walker

6
tests/stack_walked.cpp
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@ -7,12 +7,12 @@ void fill_my_stack1(volatile int&);
void fill_my_stack2(volatile int&); void fill_my_stack2(volatile int&);
void stack_filled() { void stack_filled() {
int frame_id = 1; int frame_id = 0;
walk_stack([&frame_id](const unwind_context_t& ctx) { walk_stack([&frame_id](const unwind_context_t& ctx) {
Dl_info func_info; Dl_info func_info;
int dl_rc = dladdr((void*) ctx.rip, &func_info); int dl_rc = dladdr((void*) ctx.rip, &func_info);
printf("#%d - %s - RIP=%lx, RBP=%lx, RSP=%lx\n", printf("#%d - %s — %%rip = 0x%lx, %%rbp = 0x%lx, %%rsp = 0x%lx\n",
frame_id, ++frame_id,
(dl_rc != 0) ? func_info.dli_sname : "[Unknown func]", (dl_rc != 0) ? func_info.dli_sname : "[Unknown func]",
ctx.rip, ctx.rip,
ctx.rbp, ctx.rbp,