Théophile Bastian
c4895ed0d1
It now actually returns the context at the call site of the function, instead of somewhere inside DwarfInterpret
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
#include <cstdio>
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#include <dlfcn.h>
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#include <DwarfInterpret.hpp>
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using namespace std;
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volatile int optim_stopper = 0;
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void dump_my_stack() {
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DwarfInterpret& dw = DwarfInterpret::acquire();
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DwarfInterpret::UnwindContext unw_context =
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DwarfInterpret::get_current_unwind_context();
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MemoryMap mmap;
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while(true) {
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Dl_info dl_inf;
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int dl_rc = dladdr((void *) unw_context.rip, &dl_inf);
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printf(">> PC = %lX ", unw_context.rip);
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MemoryMap::MapEntry cur_map_entry =
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mmap[mmap.id_of_address(unw_context.rip)];
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uintptr_t inelf_pc = unw_context.rip
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- cur_map_entry.mem_region.begin + cur_map_entry.offset;
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printf("(in ELF: 0x%lX, func %s, path %s) <<\n",
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inelf_pc,
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(dl_rc && dl_inf.dli_sname) ? dl_inf.dli_sname : "(no symbol)",
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cur_map_entry.pathname.c_str());
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fflush(stdout);
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unw_context = dw.unwind_context(unw_context);
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}
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}
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void fill_my_stack(int stack_depth) {
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if(stack_depth == 0)
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dump_my_stack();
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fill_my_stack(stack_depth - 1);
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}
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int main(int argc, char** argv) {
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MemoryMap mmap;
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cout << "Dumping memory map… (" << mmap.size() << " entries)" << endl;
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for(const auto& entry: mmap) {
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entry.dump(cout);
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}
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cout << "End memory map" << endl;
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int stack_depth = 5;
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if(argc >= 2)
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stack_depth = atoi(argv[1]);
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fill_my_stack(stack_depth);
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return 0;
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}
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