diff options
Diffstat (limited to 'emulator/qtools/read_trace.cpp')
| -rw-r--r-- | emulator/qtools/read_trace.cpp | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/emulator/qtools/read_trace.cpp b/emulator/qtools/read_trace.cpp deleted file mode 100644 index fb4917c..0000000 --- a/emulator/qtools/read_trace.cpp +++ /dev/null @@ -1,165 +0,0 @@ -#include <stdio.h> -#include <unistd.h> -#include <stdlib.h> -#include <inttypes.h> -#include <assert.h> -#include "trace_reader.h" -#include "armdis.h" -#include "parse_options.h" - -typedef TraceReader<> TraceReaderType; - -#include "parse_options-inl.h" - -static const uint32_t kOffsetThreshold = 0x100000; -static uint64_t startTime = 0; - -void Usage(const char *program) -{ - fprintf(stderr, - "Usage: %s [options] [-- -s start_time] trace_file elf_file\n", - program); - OptionsUsage(); -} - - -bool localParseOptions(int argc, char **argv) -{ - bool err = false; - while (!err) { - int opt = getopt(argc, argv, "+s:"); - if (opt == -1) - break; - switch (opt) { - case 's': - startTime = strtoull(optarg, NULL, 0); - break; - default: - err = true; - break; - } - } - return err; -} - -int main(int argc, char **argv) { - // Parse the options - ParseOptions(argc, argv); - localParseOptions(argc, argv); - if (argc - optind != 2) { - Usage(argv[0]); - exit(1); - } - - char *trace_filename = argv[optind++]; - char *elf_file = argv[optind++]; - TraceReader<> *trace = new TraceReader<>; - trace->Open(trace_filename); - trace->SetDemangle(demangle); - trace->ReadKernelSymbols(elf_file); - trace->SetRoot(root); - - while (1) { - symbol_type *sym; - char buf[1024]; - BBEvent event; - BBEvent ignored; - - if (GetNextValidEvent(trace, &event, &ignored, &sym)) - break; -#if 0 - fprintf(stderr, "t%llu bb %lld %d\n", - event.time, event.bb_num, event.num_insns); -#endif - - uint32_t *insns = event.insns; - uint32_t addr = event.bb_addr; - uint32_t offset = addr - sym->addr - sym->region->base_addr; - symbol_type *vm_sym = sym->vm_sym; - const char *vm_name = NULL; - if (vm_sym != NULL) { - vm_name = vm_sym->name; - offset = addr - vm_sym->addr - vm_sym->region->base_addr; - } -#if 0 - if (strcmp(sym->name, "(unknown)") == 0 || offset > kOffsetThreshold) { - ProcessState *process = trace->GetCurrentProcess(); - ProcessState *manager = process->addr_manager; - for (int ii = 0; ii < manager->nregions; ++ii) { - printf(" %2d: %08x - %08x base: %08x offset: %u nsyms: %4d flags: 0x%x %s\n", - ii, - manager->regions[ii]->vstart, - manager->regions[ii]->vend, - manager->regions[ii]->base_addr, - manager->regions[ii]->file_offset, - manager->regions[ii]->nsymbols, - manager->regions[ii]->flags, - manager->regions[ii]->path); - int nsymbols = manager->regions[ii]->nsymbols; - for (int jj = 0; jj < 10 && jj < nsymbols; ++jj) { - printf(" %08x %s\n", - manager->regions[ii]->symbols[jj].addr, - manager->regions[ii]->symbols[jj].name); - } - } - } -#endif -#if 1 - for (int ii = 0; ii < event.num_insns; ++ii) { - uint64_t sim_time = trace->ReadInsnTime(event.time); - if (sim_time < startTime) - continue; - - uint32_t insn = insns[ii]; - char *disasm; - int bytes; - if (vm_name != NULL) { - sprintf(buf, "%s+%02x: %s", vm_name, offset, sym->name); - } else { - sprintf(buf, "%s+%02x", sym->name, offset); - } - - if (insn_is_thumb(insn)) { - bytes = 2; - insn = insn_unwrap_thumb(insn); - - // thumb_pair is true if this is the first of a pair of - // thumb instructions (BL or BLX). - bool thumb_pair = ((insn & 0xf800) == 0xf000); - - // Get the next thumb instruction (if any) because we may need - // it for the case where insn is BL or BLX. - uint32_t insn2 = 0; - if (thumb_pair && (ii + 1 < event.num_insns)) { - insn2 = insns[ii + 1]; - insn2 = insn_unwrap_thumb(insn2); - bytes = 4; - ii += 1; - } - disasm = disasm_insn_thumb(addr, insn, insn2, NULL); - if (thumb_pair) { - printf("%llu p%-4d %08x %04x %04x %-30s %s\n", - sim_time, event.pid, addr, insn, insn2, buf, disasm); - } else { - printf("%llu p%-4d %08x %04x %-30s %s\n", - sim_time, event.pid, addr, insn, buf, disasm); - } - } else { - bytes = 4; - disasm = Arm::disasm(addr, insn, NULL); - printf("%llu p%-4d %08x %08x %-30s %s\n", - sim_time, event.pid, addr, insn, buf, disasm); - } - //printf("t%llu \t%08x\n", sim_time, addr); - addr += bytes; - offset += bytes; - } -#endif -#if 0 - assert(offset < kOffsetThreshold); -#endif - } - - delete trace; - return 0; -} |