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| Rev | Author | Line No. | Line |
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| 1 | pmbaty | 1 | // Based on https://gist.github.com/jvranish/4441299 |
| 2 | |||
| 3 | #ifdef _WIN32 // Pierre-Marie Baty -- added compile guard |
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| 4 | |||
| 5 | // this has to be first |
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| 6 | #include <windows.h> |
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| 7 | |||
| 8 | #include <imagehlp.h> |
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| 9 | |||
| 10 | #include "harness/os.h" |
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| 11 | |||
| 12 | #include <assert.h> |
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| 13 | #include <direct.h> |
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| 14 | #include <errno.h> |
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| 15 | #include <limits.h> |
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| 16 | #include <signal.h> |
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| 17 | #include <stdbool.h> |
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| 18 | #include <stdint.h> |
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| 19 | #include <stdio.h> |
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| 20 | #include <stdlib.h> |
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| 21 | #include <string.h> |
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| 22 | |||
| 23 | #ifdef _WIN64 |
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| 24 | #define Esp Rsp |
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| 25 | #define Eip Rip |
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| 26 | #define Ebp Rbp |
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| 27 | #endif |
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| 28 | |||
| 29 | void dr_dprintf(char* fmt_string, ...); |
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| 30 | |||
| 31 | static int stack_nbr = 0; |
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| 32 | static char _program_name[1024]; |
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| 33 | |||
| 34 | static char dirname_buf[_MAX_DIR]; |
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| 35 | static char fname_buf[_MAX_FNAME]; |
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| 36 | |||
| 37 | int addr2line(char const* const program_name, void const* const addr) { |
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| 38 | char addr2line_cmd[512] = { 0 }; |
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| 39 | |||
| 40 | sprintf(addr2line_cmd, "addr2line -f -p -e %.256s %p", program_name, addr); |
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| 41 | |||
| 42 | fprintf(stderr, "%d: ", stack_nbr++); |
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| 43 | return system(addr2line_cmd); |
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| 44 | } |
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| 45 | |||
| 46 | void print_stacktrace(CONTEXT* context) { |
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| 47 | #ifndef _WIN32 // Pierre-Marie Baty -- looks like this doesn't build right away on Windows |
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| 48 | SymInitialize(GetCurrentProcess(), 0, true); |
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| 49 | |||
| 50 | STACKFRAME frame = { 0 }; |
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| 51 | |||
| 52 | /* setup initial stack frame */ |
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| 53 | frame.AddrPC.Offset = context->Eip; |
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| 54 | frame.AddrPC.Mode = AddrModeFlat; |
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| 55 | frame.AddrStack.Offset = context->Esp; |
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| 56 | frame.AddrStack.Mode = AddrModeFlat; |
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| 57 | frame.AddrFrame.Offset = context->Ebp; |
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| 58 | frame.AddrFrame.Mode = AddrModeFlat; |
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| 59 | |||
| 60 | while (StackWalk(IMAGE_FILE_MACHINE_I386, |
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| 61 | GetCurrentProcess(), |
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| 62 | GetCurrentThread(), |
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| 63 | &frame, |
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| 64 | context, |
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| 65 | 0, |
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| 66 | SymFunctionTableAccess, |
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| 67 | SymGetModuleBase, |
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| 68 | 0)) { |
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| 69 | addr2line(_program_name, (void*)frame.AddrPC.Offset); |
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| 70 | } |
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| 71 | |||
| 72 | SymCleanup(GetCurrentProcess()); |
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| 73 | #endif // !_WIN32 |
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| 74 | } |
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| 75 | |||
| 76 | LONG WINAPI windows_exception_handler(EXCEPTION_POINTERS* ExceptionInfo) { |
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| 77 | switch (ExceptionInfo->ExceptionRecord->ExceptionCode) { |
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| 78 | case EXCEPTION_ACCESS_VIOLATION: |
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| 79 | fputs("Error: EXCEPTION_ACCESS_VIOLATION\n", stderr); |
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| 80 | break; |
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| 81 | case EXCEPTION_ARRAY_BOUNDS_EXCEEDED: |
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| 82 | fputs("Error: EXCEPTION_ARRAY_BOUNDS_EXCEEDED\n", stderr); |
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| 83 | break; |
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| 84 | case EXCEPTION_BREAKPOINT: |
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| 85 | fputs("Error: EXCEPTION_BREAKPOINT\n", stderr); |
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| 86 | break; |
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| 87 | case EXCEPTION_DATATYPE_MISALIGNMENT: |
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| 88 | fputs("Error: EXCEPTION_DATATYPE_MISALIGNMENT\n", stderr); |
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| 89 | break; |
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| 90 | case EXCEPTION_FLT_DENORMAL_OPERAND: |
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| 91 | fputs("Error: EXCEPTION_FLT_DENORMAL_OPERAND\n", stderr); |
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| 92 | break; |
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| 93 | case EXCEPTION_FLT_DIVIDE_BY_ZERO: |
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| 94 | fputs("Error: EXCEPTION_FLT_DIVIDE_BY_ZERO\n", stderr); |
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| 95 | break; |
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| 96 | case EXCEPTION_FLT_INEXACT_RESULT: |
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| 97 | fputs("Error: EXCEPTION_FLT_INEXACT_RESULT\n", stderr); |
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| 98 | break; |
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| 99 | case EXCEPTION_FLT_INVALID_OPERATION: |
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| 100 | fputs("Error: EXCEPTION_FLT_INVALID_OPERATION\n", stderr); |
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| 101 | break; |
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| 102 | case EXCEPTION_FLT_OVERFLOW: |
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| 103 | fputs("Error: EXCEPTION_FLT_OVERFLOW\n", stderr); |
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| 104 | break; |
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| 105 | case EXCEPTION_FLT_STACK_CHECK: |
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| 106 | fputs("Error: EXCEPTION_FLT_STACK_CHECK\n", stderr); |
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| 107 | break; |
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| 108 | case EXCEPTION_FLT_UNDERFLOW: |
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| 109 | fputs("Error: EXCEPTION_FLT_UNDERFLOW\n", stderr); |
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| 110 | break; |
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| 111 | case EXCEPTION_ILLEGAL_INSTRUCTION: |
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| 112 | fputs("Error: EXCEPTION_ILLEGAL_INSTRUCTION\n", stderr); |
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| 113 | break; |
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| 114 | case EXCEPTION_IN_PAGE_ERROR: |
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| 115 | fputs("Error: EXCEPTION_IN_PAGE_ERROR\n", stderr); |
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| 116 | break; |
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| 117 | case EXCEPTION_INT_DIVIDE_BY_ZERO: |
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| 118 | fputs("Error: EXCEPTION_INT_DIVIDE_BY_ZERO\n", stderr); |
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| 119 | break; |
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| 120 | case EXCEPTION_INT_OVERFLOW: |
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| 121 | fputs("Error: EXCEPTION_INT_OVERFLOW\n", stderr); |
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| 122 | break; |
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| 123 | case EXCEPTION_INVALID_DISPOSITION: |
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| 124 | fputs("Error: EXCEPTION_INVALID_DISPOSITION\n", stderr); |
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| 125 | break; |
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| 126 | case EXCEPTION_NONCONTINUABLE_EXCEPTION: |
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| 127 | fputs("Error: EXCEPTION_NONCONTINUABLE_EXCEPTION\n", stderr); |
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| 128 | break; |
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| 129 | case EXCEPTION_PRIV_INSTRUCTION: |
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| 130 | fputs("Error: EXCEPTION_PRIV_INSTRUCTION\n", stderr); |
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| 131 | break; |
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| 132 | case EXCEPTION_SINGLE_STEP: |
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| 133 | fputs("Error: EXCEPTION_SINGLE_STEP\n", stderr); |
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| 134 | break; |
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| 135 | case EXCEPTION_STACK_OVERFLOW: |
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| 136 | fputs("Error: EXCEPTION_STACK_OVERFLOW\n", stderr); |
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| 137 | break; |
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| 138 | default: |
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| 139 | fputs("Error: Unrecognized Exception\n", stderr); |
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| 140 | break; |
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| 141 | } |
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| 142 | fflush(stderr); |
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| 143 | /* If this is a stack overflow then we can't walk the stack, so just show |
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| 144 | where the error happened */ |
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| 145 | if (EXCEPTION_STACK_OVERFLOW != ExceptionInfo->ExceptionRecord->ExceptionCode) { |
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| 146 | print_stacktrace(ExceptionInfo->ContextRecord); |
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| 147 | } else { |
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| 148 | addr2line(_program_name, (void*)ExceptionInfo->ContextRecord->Eip); |
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| 149 | } |
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| 150 | |||
| 151 | return EXCEPTION_EXECUTE_HANDLER; |
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| 152 | } |
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| 153 | |||
| 154 | void OS_InstallSignalHandler(char* program_name) { |
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| 155 | strcpy(_program_name, program_name); |
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| 156 | SetUnhandledExceptionFilter(windows_exception_handler); |
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| 157 | } |
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| 158 | |||
| 159 | FILE* OS_fopen(const char* pathname, const char* mode) { |
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| 160 | FILE* f; |
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| 161 | errno_t err; |
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| 162 | |||
| 163 | f = NULL; |
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| 164 | err = fopen_s(&f, pathname, mode); |
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| 165 | if (err != 0) { |
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| 166 | fprintf(stderr, "Failed to open \"%s\"", pathname); |
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| 167 | } |
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| 168 | |||
| 169 | return f; |
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| 170 | } |
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| 171 | |||
| 172 | size_t OS_ConsoleReadPassword(char* pBuffer, size_t pBufferLen) { |
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| 173 | // FIXME: unsafe implementation (echos the password) |
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| 174 | pBuffer[0] = '\0'; |
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| 175 | fgets(pBuffer, pBufferLen, stdin); |
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| 176 | return strlen(pBuffer); |
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| 177 | } |
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| 178 | |||
| 179 | char* OS_Dirname(const char* path) { |
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| 180 | _splitpath(path, NULL, dirname_buf, NULL, NULL); |
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| 181 | return dirname_buf; |
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| 182 | } |
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| 183 | |||
| 184 | char* OS_Basename(const char* path) { |
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| 185 | _splitpath(path, NULL, NULL, fname_buf, NULL); |
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| 186 | return fname_buf; |
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| 187 | } |
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| 188 | |||
| 189 | #endif // _WIN32 |