Théophile Bastian
df2d6179a8
Preserves stack_walker's interface (one can link against stack_walker or stack_walker_unwind indifferently).
54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
#include <cstdio>
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#include <dlfcn.h>
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#include "../stack_walker/stack_walker.hpp"
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void fill_my_stack1(volatile int&);
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void fill_my_stack2(volatile int&);
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void stack_filled() {
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int frame_id = 0;
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walk_stack([&frame_id](const unwind_context_t& ctx) {
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Dl_info func_info;
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int dl_rc = dladdr((void*) ctx.rip, &func_info);
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printf("#%d - %s — %%rip = 0x%lx, %%rbp = 0x%lx, %%rsp = 0x%lx\n",
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++frame_id,
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(dl_rc != 0) ? func_info.dli_sname : "[Unknown func]",
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get_register(ctx, SW_REG_RIP),
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get_register(ctx, SW_REG_RBP),
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get_register(ctx, SW_REG_RSP));
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});
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}
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void fill_my_stack2(volatile int& depth) {
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if(depth == 0)
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stack_filled();
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else {
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--depth;
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fill_my_stack1(depth);
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}
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}
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void fill_my_stack1(volatile int& depth) {
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if(depth == 0)
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stack_filled();
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else {
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--depth;
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fill_my_stack2(depth);
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}
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}
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int main() {
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Dl_info main_info;
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int rc = dladdr((void*)&main, &main_info);
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printf("I'm in %s!\n", (rc != 0) ? main_info.dli_sname : "[No data]");
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stack_walker_init();
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printf("Stack walker init'd!\n");
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volatile int depth = 10;
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fill_my_stack1(depth);
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return 0;
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}
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