| 45,6 → 45,8 |
|---|
| |
| #define OPCODE_INT3 0xCC |
| |
| static breakpoint_t *lifted_brkpt; |
| |
| void arch_breakpoint_add(uintptr_t addr) |
| { |
| char brkp[1]; |
| 53,7 → 55,7 |
|---|
| int i; |
| |
| brk = NULL; |
| for (i = 0; i < MAX_BRKPTS; i++) |
| for (i = 1; i < MAX_BRKPTS; i++) |
| if (brk_list[i].set == 0) { brk = brk_list+i; break; } |
| |
| if (!brk) { |
| 69,10 → 71,42 |
|---|
| |
| brk->addr = addr; |
| brk->set = 1; |
| |
| cons_printf("Added breakpoint %d\n", i); |
| } |
| |
| static breakpoint_t *lifted_brkpt; |
| void arch_breakpoint_remove(int id) |
| { |
| int rc; |
| |
| if (id < 1 || id >= MAX_BRKPTS || brk_list[id].set == 0) { |
| cons_printf("No such breakpoint\n"); |
| return; |
| } |
| |
| if (lifted_brkpt == &brk_list[id]) { |
| lifted_brkpt = NULL; |
| } else { |
| rc = udebug_mem_write(app_phone, &brk_list[id].arch.back, brk_list[id].addr, 1); |
| if (rc < 0) { printf("error writing mem\n"); return; } |
| } |
| |
| brk_list[id].set = 0; |
| |
| cons_printf("Breakpoint removed\n"); |
| } |
| |
| void arch_breakpoint_list(void) |
| { |
| int i; |
| |
| for (i = 0; i < MAX_BRKPTS; ++i) { |
| if (brk_list[i].set != 0) { |
| printf("Breakpoint %d at 0x%lx\n", i, brk_list[i].addr); |
| } |
| } |
| } |
| |
| void arch_event_breakpoint(thash_t thread_hash) |
| { |
| static istate_t istate; |
| 161,7 → 195,7 |
|---|
| if (rc < 0) { printf("regs read failed\n"); return; } |
| |
| if (enable) istate.eflags |= 0x0100; /* trap flag */ |
| else istate.eflags &= ~0x0100; /* trap flag */ |
| else if (!lifted_brkpt) istate.eflags &= ~0x0100; /* trap flag */ |
| |
| rc = udebug_regs_write(app_phone, dt->hash, &istate); |
| if (rc < 0) { printf("regs write failed\n"); return; } |