1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2019 Intel Corporation
3 */
4
5 #include <stdarg.h>
6 #include <rte_log.h>
7 #include <rte_debug.h>
8 #include <rte_windows.h>
9
10 #include "eal_private.h"
11
12 #include <dbghelp.h>
13
14 #define BACKTRACE_SIZE 256
15
16 /* dump the stack of the calling core */
17 void
rte_dump_stack(void)18 rte_dump_stack(void)
19 {
20 PVOID stack_trace[BACKTRACE_SIZE] = {0};
21 USHORT frame_num;
22 BOOL ret;
23 HANDLE process = GetCurrentProcess();
24
25 ret = SymInitialize(process, NULL, TRUE);
26 if (!ret) {
27 RTE_LOG_WIN32_ERR("SymInitialize()");
28 return;
29 }
30
31 SymSetOptions(SYMOPT_LOAD_LINES | SYMOPT_UNDNAME);
32
33 frame_num = RtlCaptureStackBackTrace(0, BACKTRACE_SIZE,
34 stack_trace, NULL);
35
36 while (frame_num > 0) {
37 DWORD64 address = (DWORD64)(stack_trace[frame_num - 1]);
38 DWORD64 sym_disp = 0;
39 DWORD error_code = 0, lin_disp;
40 char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR)];
41 PSYMBOL_INFO symbol_info = (PSYMBOL_INFO)buffer;
42 IMAGEHLP_LINE64 line;
43
44 symbol_info->SizeOfStruct = sizeof(SYMBOL_INFO);
45 symbol_info->MaxNameLen = MAX_SYM_NAME;
46 line.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
47
48 ret = SymFromAddr(process, address, &sym_disp, symbol_info);
49 if (!ret) {
50 error_code = GetLastError();
51 if (error_code == ERROR_INVALID_ADDRESS) {
52 /* Missing symbols, print message */
53 EAL_LOG(ERR,
54 "%d: [<missing_symbols>]", frame_num--);
55 continue;
56 } else {
57 RTE_LOG_WIN32_ERR("SymFromAddr()");
58 goto end;
59 }
60 }
61
62 ret = SymGetLineFromAddr64(process, address, &lin_disp, &line);
63 if (!ret) {
64 error_code = GetLastError();
65 /* If ERROR_INVALID_ADDRESS tag unknown and proceed */
66 if (error_code != ERROR_INVALID_ADDRESS) {
67 RTE_LOG_WIN32_ERR("SymGetLineFromAddr64()");
68 goto end;
69 }
70 }
71
72 EAL_LOG(ERR,
73 "%d: [%s (%s+0x%0llx)[0x%0llX]]", frame_num,
74 error_code ? "<unknown>" : line.FileName,
75 symbol_info->Name, sym_disp, symbol_info->Address);
76 frame_num--;
77 }
78 end:
79 ret = SymCleanup(process);
80 if (!ret)
81 RTE_LOG_WIN32_ERR("SymCleanup()");
82 }
83