llvm-mirror/tools/llvm-c-test/object.c
Benjamin Kramer 9180c5c3f6 Prefix external symbols in llvm-c-test.
This makes it less likely to clash with other stuff that might be linked
in by change, e.g. ncurses exposes an external function called simply
"echo", so linking ncurses statically into the binary explodes in funny
ways.

llvm-svn: 259882
2016-02-05 13:31:14 +00:00

88 lines
2.6 KiB
C

/*===-- object.c - tool for testing libLLVM and llvm-c API ----------------===*\
|* *|
|* The LLVM Compiler Infrastructure *|
|* *|
|* This file is distributed under the University of Illinois Open Source *|
|* License. See LICENSE.TXT for details. *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* This file implements the --object-list-sections and --object-list-symbols *|
|* commands in llvm-c-test. *|
|* *|
\*===----------------------------------------------------------------------===*/
#include "llvm-c-test.h"
#include "llvm-c/Object.h"
#include <stdio.h>
#include <stdlib.h>
int llvm_object_list_sections(void) {
LLVMMemoryBufferRef MB;
LLVMObjectFileRef O;
LLVMSectionIteratorRef sect;
char *msg = NULL;
if (LLVMCreateMemoryBufferWithSTDIN(&MB, &msg)) {
fprintf(stderr, "Error reading file: %s\n", msg);
exit(1);
}
O = LLVMCreateObjectFile(MB);
if (!O) {
fprintf(stderr, "Error reading object\n");
exit(1);
}
sect = LLVMGetSections(O);
while (!LLVMIsSectionIteratorAtEnd(O, sect)) {
printf("'%s': @0x%08" PRIx64 " +%" PRIu64 "\n", LLVMGetSectionName(sect),
LLVMGetSectionAddress(sect), LLVMGetSectionSize(sect));
LLVMMoveToNextSection(sect);
}
LLVMDisposeSectionIterator(sect);
LLVMDisposeObjectFile(O);
return 0;
}
int llvm_object_list_symbols(void) {
LLVMMemoryBufferRef MB;
LLVMObjectFileRef O;
LLVMSectionIteratorRef sect;
LLVMSymbolIteratorRef sym;
char *msg = NULL;
if (LLVMCreateMemoryBufferWithSTDIN(&MB, &msg)) {
fprintf(stderr, "Error reading file: %s\n", msg);
exit(1);
}
O = LLVMCreateObjectFile(MB);
if (!O) {
fprintf(stderr, "Error reading object\n");
exit(1);
}
sect = LLVMGetSections(O);
sym = LLVMGetSymbols(O);
while (!LLVMIsSymbolIteratorAtEnd(O, sym)) {
LLVMMoveToContainingSection(sect, sym);
printf("%s @0x%08" PRIx64 " +%" PRIu64 " (%s)\n", LLVMGetSymbolName(sym),
LLVMGetSymbolAddress(sym), LLVMGetSymbolSize(sym),
LLVMGetSectionName(sect));
LLVMMoveToNextSymbol(sym);
}
LLVMDisposeSymbolIterator(sym);
LLVMDisposeObjectFile(O);
return 0;
}