// JPM 12/03/2016 Created this file\r
// JPM 12/03/2016 DWARF format support\r
// JPM Sept./2018 Added LEB128 decoding features, and improve the DWARF parsing information\r
-// JPM Oct./2018 Improve the DWARF parsing information\r
+// JPM 10/06/2018 Improve the DWARF parsing information, and the source file text reading\r
//\r
\r
// To Do\r
//#define DEBUG_VariableName "sound_death" // Variable name to look for or undefine it\r
//#define DEBUG_TypeName "Cbuf_Execute" // Type name to look for or undefine it\r
//#define DEBUG_TypeDef DW_TAG_typedef // Type def to look for or undefine it (not supported)\r
-//#define DEBUG_Filename "cmd.c" // Filename to look for or undefine it\r
+//#define DEBUG_Filename "net_jag.c" // Filename to look for or undefine it\r
\r
\r
// Source line internal structure\r
strcpy((Ptr1 + 1), (Ptr + 4));\r
}\r
\r
- // Read the file as text\r
-#ifndef __CYGWIN__\r
- if (!fopen_s(&SrcFile, PtrCU[NbCU].PtrFullFilename, "rt"))\r
-#else\r
- if (!(SrcFile = fopen(SourceFullFilename, "rt")))\r
-#endif\r
+ // Open the source file as a binary file\r
+ if (!fopen_s(&SrcFile, PtrCU[NbCU].PtrFullFilename, "rb"))\r
{\r
if (!fseek(SrcFile, 0, SEEK_END))\r
{\r
if ((PtrCU[NbCU].SizeLoadSrc = ftell(SrcFile)) > 0)\r
{\r
- if (PtrCU[NbCU].PtrLoadSrc = Ptr = (char *)calloc((PtrCU[NbCU].SizeLoadSrc + 1), 1))\r
+ if (!fseek(SrcFile, 0, SEEK_SET))\r
{\r
- rewind(SrcFile);\r
- if (PtrCU[NbCU].SizeLoadSrc < fread(Ptr, 1, PtrCU[NbCU].SizeLoadSrc, SrcFile))\r
- {\r
- free(PtrCU[NbCU].PtrLoadSrc);\r
- PtrCU[NbCU].PtrLoadSrc = NULL;\r
- PtrCU[NbCU].SizeLoadSrc = 0;\r
- }\r
- else\r
+ if (PtrCU[NbCU].PtrLoadSrc = Ptr = Ptr1 = (char *)calloc(1, (PtrCU[NbCU].SizeLoadSrc + 2)))\r
{\r
- do\r
+ // Read whole file\r
+ if (fread_s(PtrCU[NbCU].PtrLoadSrc, PtrCU[NbCU].SizeLoadSrc, PtrCU[NbCU].SizeLoadSrc, 1, SrcFile) != 1)\r
{\r
- if (*Ptr == 0xa)\r
+ free(PtrCU[NbCU].PtrLoadSrc);\r
+ PtrCU[NbCU].PtrLoadSrc = NULL;\r
+ PtrCU[NbCU].SizeLoadSrc = 0;\r
+ }\r
+ else\r
+ {\r
+ // Eliminate all carriage return code '\r' (oxd)\r
+ do\r
+ {\r
+ if ((*Ptr = *Ptr1) != '\r')\r
+ {\r
+ Ptr++;\r
+ }\r
+ }\r
+ while (*Ptr1++);\r
+\r
+ // Get back the new text file size\r
+ PtrCU[NbCU].SizeLoadSrc = strlen(Ptr = PtrCU[NbCU].PtrLoadSrc);\r
+\r
+ // Make sure the text file finish with a new line code '\n' (0xa)\r
+ if (PtrCU[NbCU].PtrLoadSrc[PtrCU[NbCU].SizeLoadSrc - 1] != '\n')\r
{\r
- PtrCU[NbCU].NbLinesLoadSrc++;\r
- *Ptr = 0;\r
+ PtrCU[NbCU].PtrLoadSrc[PtrCU[NbCU].SizeLoadSrc++] = '\n';\r
+ PtrCU[NbCU].PtrLoadSrc[PtrCU[NbCU].SizeLoadSrc] = 0;\r
}\r
- } while (*++Ptr);\r
+\r
+ // Reallocate text file\r
+ if (PtrCU[NbCU].PtrLoadSrc = Ptr = (char *)realloc(PtrCU[NbCU].PtrLoadSrc, (PtrCU[NbCU].SizeLoadSrc + 1)))\r
+ {\r
+ // Count line numbers, based on the new line code '\n' (0xa), and finish each line with 0\r
+ do\r
+ {\r
+ if (*Ptr == '\n')\r
+ {\r
+ PtrCU[NbCU].NbLinesLoadSrc++;\r
+ *Ptr = 0;\r
+ }\r
+ } while (*++Ptr);\r
+ }\r
+ }\r
}\r
}\r
}\r
}\r
}\r
\r
- // Get the source lines table located in the Compilation Unit\r
+ // Get the source lines table located in the CU\r
if (dwarf_srclines(return_sib, &linebuf, &cnt, &error) == DW_DLV_OK)\r
{\r
}\r
}\r
\r
\r
-// Get text line from source based on address and num line (starting by 1)\r
-// Return NULL if no text line has been found\r
+// Get text line pointer from source, based on address and line number (starting by 1)\r
+// Return NULL if no text line has been found, or if requested number line is above the source total number of lines\r
char *DWARFManager_GetLineSrcFromNumLineBaseAdr(size_t Adr, size_t NumLine)\r
{\r
size_t i;\r
HCoop / clinton / Virtual-Jaguar-Rx.git / blobdiff