Changeset cb94e41 for driver/as.cc

Timestamp:

Oct 23, 2023, 4:11:25 PM (8 months ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

master

Children:

edc4813

Parents:

278e162

Message:

temporary change to as command to test ARM build

File:

• driver/as.cc (modified) (2 diffs)

driver/as.cc

@@ -11 +11 @@
 // Created On       : Wed Aug  1 10:49:42 2018
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Wed Dec  8 07:56:12 2021
-// Update Count     : 136
+// Last Modified On : Mon Oct 23 16:10:26 2023
+// Update Count     : 137
 //
 
@@ -39 +39 @@
         off_t size = mystat.st_size;
 
-        if ( size ) {                                                                           // cannot map 0 sized file
-                char * start = (char *)mmap( NULL, size + 2, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0 );
-                if ( start == (void *)-1 ) { perror( "mmap" ); exit( EXIT_FAILURE ); };
+        // if ( size ) {                                                                                // cannot map 0 sized file
+        //      char * start = (char *)mmap( NULL, size + 2, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0 );
+        //      if ( start == (void *)-1 ) { perror( "mmap" ); exit( EXIT_FAILURE ); };
 
-                char * dcursor;
-                if ( (dcursor = strstr( start, ".Ldebug_info0:" ) ) ) { // debug information ?
+        //      char * dcursor;
+        //      if ( (dcursor = strstr( start, ".Ldebug_info0:" ) ) ) { // debug information ?
 
-                        if ( char * cursor = strstr( dcursor, ".long\t.LASF" ) ) { // language code ?
-                                for ( int i = 0; i < 2; i += 1 ) {              // move N (magic) lines forward
-                                        cursor = strstr( cursor, "\n" ) + 1;
-                                } // for
-                                cursor -= 2;                                                    // backup over "d\n", where d is a hex digit
-                                // From elfcpp/dwarf.h in the binutils source tree.
-                                // DW_LANG_C89 = 0x1, DW_LANG_C = 0x2, DW_LANG_C99 = 0xc, DW_LANG_C11 = 0x1d
-                                if ( *(cursor - 2) == '0' && *(cursor - 1) == 'x' &&
-                                         (*cursor == 'c' || *cursor == '1' || *cursor == '2') ) { // C99/C89/C
-                                        // Expand file by one byte to hold 2 character Cforall language code.
-                                        if ( ftruncate( fd, size + 1 ) ) { perror( "ftruncate" ); exit( EXIT_FAILURE ); };
-                                        memmove( cursor + 2, cursor + 1, start + size - cursor - 1 ); // move remaining text 1 character right
-                                } else if ( *(cursor - 3) == '0' && *(cursor - 2) == 'x' && *(cursor - 1) == '1' && *cursor == 'd' ) { // C11
-                                } else {
-                                        for ( int i = 0; i < 6; i += 1 ) {      // move N (magic) lines forward
-                                                cursor = strstr( cursor, "\n" ) + 1;
-                                        } // for
-                                        fprintf( stderr, "*** ERROR *** Invalid C language code found in assembler file: %s\n"
-                                                         "Assembler debug information:\n%.*s",
-                                                         argv[argc - 1], (int)(cursor - dcursor), dcursor );
-                                        exit( EXIT_FAILURE );
-                                } // if
+        //              if ( char * cursor = strstr( dcursor, ".long\t.LASF" ) ) { // language code ?
+        //                      for ( int i = 0; i < 2; i += 1 ) {              // move N (magic) lines forward
+        //                              cursor = strstr( cursor, "\n" ) + 1;
+        //                      } // for
+        //                      cursor -= 2;                                                    // backup over "d\n", where d is a hex digit
+        //                      // From elfcpp/dwarf.h in the binutils source tree.
+        //                      // DW_LANG_C89 = 0x1, DW_LANG_C = 0x2, DW_LANG_C99 = 0xc, DW_LANG_C11 = 0x1d
+        //                      if ( *(cursor - 2) == '0' && *(cursor - 1) == 'x' &&
+        //                               (*cursor == 'c' || *cursor == '1' || *cursor == '2') ) { // C99/C89/C
+        //                              // Expand file by one byte to hold 2 character Cforall language code.
+        //                              if ( ftruncate( fd, size + 1 ) ) { perror( "ftruncate" ); exit( EXIT_FAILURE ); };
+        //                              memmove( cursor + 2, cursor + 1, start + size - cursor - 1 ); // move remaining text 1 character right
+        //                      } else if ( *(cursor - 3) == '0' && *(cursor - 2) == 'x' && *(cursor - 1) == '1' && *cursor == 'd' ) { // C11
+        //                      } else {
+        //                              for ( int i = 0; i < 6; i += 1 ) {      // move N (magic) lines forward
+        //                                      cursor = strstr( cursor, "\n" ) + 1;
+        //                              } // for
+        //                              fprintf( stderr, "*** ERROR *** Invalid C language code found in assembler file: %s\n"
+        //                                               "Assembler debug information:\n%.*s",
+        //                                               argv[argc - 1], (int)(cursor - dcursor), dcursor );
+        //                              exit( EXIT_FAILURE );
+        //                      } // if
 
-                                *(cursor - 1) = '2';                                    // replace C89/C/C99/C11 language code with CFA code
-                                *cursor = '5';
-                        } // if
-                } // if
+        //                      *(cursor - 1) = '2';                                    // replace C89/C/C99/C11 language code with CFA code
+        //                      *cursor = '5';
+        //              } // if
+        //      } // if
 
-                if ( munmap( start, size + 2 ) ) { perror( "munmap" ); exit( EXIT_FAILURE ); }; // update on disk
-        } // if
+        //      if ( munmap( start, size + 2 ) ) { perror( "munmap" ); exit( EXIT_FAILURE ); }; // update on disk
+        // } // if
 
         argv[0] = "as";