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simple: Turn example as non-interactive, logger kind
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,18 +1,17 @@ | ||
| /// Loop on exceptions and continue whenever possible. | ||
| /// Minimal example that loops until the first fault is fault. | ||
| /// | ||
| /// Authors: dd86k <[email protected]> | ||
| /// Copyright: © dd86k <[email protected]> | ||
| /// License: BSD-3-Clause-Clear | ||
| module examples.simple; | ||
|
|
||
| import core.stdc.stdio; | ||
| import core.stdc.stdlib; | ||
| import core.stdc.ctype : isprint; | ||
| import core.stdc.stdlib : exit; | ||
| import adbg; | ||
|
|
||
| extern (C): | ||
| __gshared: | ||
| private: // Shuts up dscanner | ||
| extern (C): __gshared: private: | ||
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| int putchar(int); | ||
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| adbg_disassembler_t *dis; | ||
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|
|
@@ -22,80 +21,73 @@ void die(int code = 0, const(char) *reason = null) { | |
| exit(code); | ||
| } | ||
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| int choice(const(char) *msg) { | ||
| printf("\n%s: ", msg); | ||
| LINPUT: int c = getchar; | ||
| if (isprint(c)) return c; | ||
| goto LINPUT; | ||
| } | ||
|
|
||
| void loop_handler(adbg_process_t *proc, int event, void *edata, void *udata) { | ||
| if (event != AdbgEvent.exception) | ||
| switch (event) { | ||
| case AdbgEvent.exception: | ||
| adbg_exception_t *ex = adbg_debugger_event_exception(edata); | ||
| assert(ex, "exception is null?"); | ||
|
|
||
| // Assume one process, so don't print its PID | ||
| printf(`* exception="%s" oscode=`~ADBG_OS_ERROR_FORMAT, | ||
| adbg_exception_name(ex), ex.oscode); | ||
|
|
||
| // Print fault address if available | ||
| if (ex.faultz) | ||
| printf(" address=%#llx", ex.fault_address); | ||
|
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||
| // If disassembler is available, disassemble one instruction | ||
| if (ex.faultz && dis) { | ||
| adbg_opcode_t op = void; | ||
| if (adbg_dis_process_once(dis, &op, proc, ex.fault_address)) | ||
| printf(` nodisasm=%s`, adbg_error_message); | ||
| else if (op.operands) | ||
| printf(` disasm="%s %s"`, op.mnemonic, op.operands); | ||
| else | ||
| printf(` disasm="%s"`, op.mnemonic); | ||
| } | ||
|
|
||
| putchar('\n'); | ||
|
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||
| switch (ex.type) with (AdbgException) { | ||
| case Breakpoint, Step: | ||
| adbg_debugger_continue(proc); | ||
| return; | ||
| default: // Quit at first fault | ||
| *(cast(int*)udata) = 0; | ||
| } | ||
| return; | ||
|
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||
| adbg_exception_t *ex = cast(adbg_exception_t*)edata; | ||
| printf( | ||
| "\n----------------------------------------\n"~ | ||
| "* EXCEPTION ("~ADBG_OS_ERROR_FORMAT~"): %s\n"~ | ||
| "* PID=%u TID=%u\n"~ | ||
| "* FAULT=%8llx", | ||
| ex.oscode, adbg_exception_name(ex), | ||
| proc.pid, proc.tid, | ||
| ex.fault_address | ||
| ); | ||
|
|
||
| // If disassembler and fault address unavailable, | ||
| // skip printing disassembly | ||
| if (dis == null || ex.faultz == 0) | ||
| return; | ||
|
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||
| adbg_opcode_t op = void; | ||
| if (adbg_dis_process_once(dis, &op, proc, ex.fault_address)) { | ||
| printf(" (error:%s)\n", adbg_error_message); | ||
| case AdbgEvent.processExit: | ||
| int *oscode = adbg_debugger_event_process_exitcode(edata); | ||
| assert(oscode, "oscode is null?"); | ||
| printf("* exited with code %d\n", *oscode); | ||
| *(cast(int*)udata) = 0; | ||
| return; | ||
| default: | ||
| } | ||
| if (op.operands) | ||
| printf(" (%s %s)\n", op.mnemonic, op.operands); | ||
| else | ||
| printf(" (%s)\n", op.mnemonic); | ||
| } | ||
|
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| int main(int argc, const(char) **argv) { | ||
| if (argc < 2) | ||
| die(1, "Missing path to executable"); | ||
|
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| adbg_process_t *process = adbg_debugger_spawn(argv[1], 0); | ||
| // if additional arguments, they are for process to debug | ||
| const(char) **pargv = argc > 2 ? argv + 2 : null; | ||
|
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| adbg_process_t *process = | ||
| adbg_debugger_spawn(argv[1], | ||
| AdbgSpawnOpt.argv, pargv, | ||
| 0); | ||
| if (process == null) | ||
| die; | ||
|
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||
| dis = adbg_dis_open(adbg_process_machine(process)); | ||
| if (dis == null) | ||
| printf("warning: Disassembler unavailable (%s)\n", adbg_error_message()); | ||
|
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||
| LOOP: // Process input | ||
| switch (choice("Action [?=Help]")) { | ||
| case '?': | ||
| puts( | ||
| "s - Instruction step.\n"~ | ||
| "c - Continue.\n"~ | ||
| "q - Quit." | ||
| ); | ||
| goto LOOP; | ||
| case 's': | ||
| puts("Stepping..."); | ||
| adbg_debugger_stepi(process); | ||
| break; | ||
| case 'c': | ||
| puts("Continuing..."); | ||
| adbg_debugger_continue(process); | ||
| break; | ||
| case 'q': | ||
| puts("Quitting..."); | ||
| return 0; | ||
| default: | ||
| goto LOOP; | ||
| } | ||
|
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||
| adbg_debugger_wait(process, &loop_handler, null); | ||
| goto LOOP; | ||
| int flags = 1; | ||
| Lcontinue: | ||
| if (adbg_debugger_wait(process, &loop_handler, &flags)) | ||
| die; | ||
| if (flags) goto Lcontinue; | ||
| return 0; | ||
| } | ||
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