f-stack/dpdk/lib/librte_eal/windows/eal_debug.c

81 lines
2.0 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2019 Intel Corporation
*/
#include <stdarg.h>
#include <rte_log.h>
#include <rte_debug.h>
#include <rte_windows.h>
#include <dbghelp.h>
#define BACKTRACE_SIZE 256
/* dump the stack of the calling core */
void
rte_dump_stack(void)
{
PVOID stack_trace[BACKTRACE_SIZE] = {0};
USHORT frame_num;
BOOL ret;
HANDLE process = GetCurrentProcess();
ret = SymInitialize(process, NULL, TRUE);
if (!ret) {
RTE_LOG_WIN32_ERR("SymInitialize()");
return;
}
SymSetOptions(SYMOPT_LOAD_LINES | SYMOPT_UNDNAME);
frame_num = RtlCaptureStackBackTrace(0, BACKTRACE_SIZE,
stack_trace, NULL);
while (frame_num > 0) {
DWORD64 address = (DWORD64)(stack_trace[frame_num - 1]);
DWORD64 sym_disp = 0;
DWORD error_code = 0, lin_disp;
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR)];
PSYMBOL_INFO symbol_info = (PSYMBOL_INFO)buffer;
IMAGEHLP_LINE64 line;
symbol_info->SizeOfStruct = sizeof(SYMBOL_INFO);
symbol_info->MaxNameLen = MAX_SYM_NAME;
line.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
ret = SymFromAddr(process, address, &sym_disp, symbol_info);
if (!ret) {
error_code = GetLastError();
if (error_code == ERROR_INVALID_ADDRESS) {
/* Missing symbols, print message */
rte_log(RTE_LOG_ERR, RTE_LOGTYPE_EAL,
"%d: [<missing_symbols>]\n", frame_num--);
continue;
} else {
RTE_LOG_WIN32_ERR("SymFromAddr()");
goto end;
}
}
ret = SymGetLineFromAddr64(process, address, &lin_disp, &line);
if (!ret) {
error_code = GetLastError();
/* If ERROR_INVALID_ADDRESS tag unknown and proceed */
if (error_code != ERROR_INVALID_ADDRESS) {
RTE_LOG_WIN32_ERR("SymGetLineFromAddr64()");
goto end;
}
}
rte_log(RTE_LOG_ERR, RTE_LOGTYPE_EAL,
"%d: [%s (%s+0x%0llx)[0x%0llX]]\n", frame_num,
error_code ? "<unknown>" : line.FileName,
symbol_info->Name, sym_disp, symbol_info->Address);
frame_num--;
}
end:
ret = SymCleanup(process);
if (!ret)
RTE_LOG_WIN32_ERR("SymCleanup()");
}