diff options
Diffstat (limited to '039debug.cc')
| -rw-r--r-- | 039debug.cc | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/039debug.cc b/039debug.cc index 9f2dd4bd..411818ff 100644 --- a/039debug.cc +++ b/039debug.cc @@ -93,6 +93,32 @@ if (!Watch_this_effective_address.empty()) { put(Watch_points, Watch_this_effective_address, addr); } +//: If a label starts with '$dump-stack', dump out to the trace n bytes on +//: either side of ESP. + +:(after "Run One Instruction") +if (contains_key(Symbol_name, EIP) && starts_with(get(Symbol_name, EIP), "$dump-stack")) { + dump_stack(64); +} +:(code) +void dump_stack(int n) { + uint32_t stack_pointer = Reg[ESP].u; + uint32_t start = ((stack_pointer-n)&0xfffffff0); + dbg << "stack:" << end(); + for (uint32_t addr = start; addr < start+n*2; addr+=16) { + if (addr >= AFTER_STACK) break; + ostringstream out; + out << HEXWORD << addr << ":"; + for (int i = 0; i < 16; i+=4) { + out << ' '; + out << ((addr+i == stack_pointer) ? '[' : ' '); + out << HEXWORD << read_mem_u32(addr+i); + out << ((addr+i == stack_pointer) ? ']' : ' '); + } + dbg << out.str() << end(); + } +} + //: Special label that dumps regions of memory. //: Not a general mechanism; by the time you get here you're willing to hack //: on the emulator. |