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      1 /*===-- object.c - tool for testing libLLVM and llvm-c API ----------------===*\
      2 |*                                                                            *|
      3 |*                     The LLVM Compiler Infrastructure                       *|
      4 |*                                                                            *|
      5 |* This file is distributed under the University of Illinois Open Source      *|
      6 |* License. See LICENSE.TXT for details.                                      *|
      7 |*                                                                            *|
      8 |*===----------------------------------------------------------------------===*|
      9 |*                                                                            *|
     10 |* This file implements the --object-list-sections and --object-list-symbols  *|
     11 |* commands in llvm-c-test.                                                   *|
     12 |*                                                                            *|
     13 \*===----------------------------------------------------------------------===*/
     14 
     15 #include "llvm-c-test.h"
     16 #include "llvm-c/Core.h"
     17 #include "llvm-c/Object.h"
     18 #include <stdio.h>
     19 #include <stdlib.h>
     20 
     21 int object_list_sections(void) {
     22   LLVMMemoryBufferRef MB;
     23   LLVMObjectFileRef O;
     24   LLVMSectionIteratorRef sect;
     25   char *msg = NULL;
     26 
     27   if (LLVMCreateMemoryBufferWithSTDIN(&MB, &msg)) {
     28     fprintf(stderr, "Error reading file: %s\n", msg);
     29     exit(1);
     30   }
     31 
     32   O = LLVMCreateObjectFile(MB);
     33   if (!O) {
     34     fprintf(stderr, "Error reading object\n");
     35     exit(1);
     36   }
     37 
     38   sect = LLVMGetSections(O);
     39   while (!LLVMIsSectionIteratorAtEnd(O, sect)) {
     40     printf("'%s': @0x%08" PRIx64 " +%" PRIu64 "\n", LLVMGetSectionName(sect),
     41            LLVMGetSectionAddress(sect), LLVMGetSectionSize(sect));
     42 
     43     LLVMMoveToNextSection(sect);
     44   }
     45 
     46   LLVMDisposeSectionIterator(sect);
     47 
     48   LLVMDisposeObjectFile(O);
     49 
     50   return 0;
     51 }
     52 
     53 int object_list_symbols(void) {
     54   LLVMMemoryBufferRef MB;
     55   LLVMObjectFileRef O;
     56   LLVMSectionIteratorRef sect;
     57   LLVMSymbolIteratorRef sym;
     58   char *msg = NULL;
     59 
     60   if (LLVMCreateMemoryBufferWithSTDIN(&MB, &msg)) {
     61     fprintf(stderr, "Error reading file: %s\n", msg);
     62     exit(1);
     63   }
     64 
     65   O = LLVMCreateObjectFile(MB);
     66   if (!O) {
     67     fprintf(stderr, "Error reading object\n");
     68     exit(1);
     69   }
     70 
     71   sect = LLVMGetSections(O);
     72   sym = LLVMGetSymbols(O);
     73   while (!LLVMIsSymbolIteratorAtEnd(O, sym)) {
     74 
     75     LLVMMoveToContainingSection(sect, sym);
     76     printf("%s @0x%08" PRIx64 " +%" PRIu64 " (%s)\n", LLVMGetSymbolName(sym),
     77            LLVMGetSymbolAddress(sym), LLVMGetSymbolSize(sym),
     78            LLVMGetSectionName(sect));
     79 
     80     LLVMMoveToNextSymbol(sym);
     81   }
     82 
     83   LLVMDisposeSymbolIterator(sym);
     84 
     85   LLVMDisposeObjectFile(O);
     86 
     87   return 0;
     88 }
     89