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Update binutils/fuzz_as initialisation (#9400) 

Upstream gas has changed, resulting in issues like
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=48997
This commit is contained in:
Alan Modra 2023-01-11 20:22:31 +10:30 committed by GitHub
parent cc655c2129
commit db7354e3d3
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 4 deletions
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16
projects/binutils/fuzz_as.c
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@ -31,13 +31,17 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
reg_section = NULL;
const char *fakeArgv[3];
fakeArgv[0] = "fuzz_objdump";
fakeArgv[0] = "fuzz_as";
fakeArgv[1] = filename; // Assemble our fake source file.
fakeArgv[2] = NULL;
out_file_name = "/tmp/tmp-out";
// as initialition. This follows the flow of ordinary main function
hex_init ();
if (bfd_init () != BFD_INIT_MAGIC)
abort ();
obstack_begin (&notes, chunksize);
symbol_begin ();
frag_init ();
subsegs_begin ();
@ -47,21 +51,25 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
macro_init (flag_macro_alternate, flag_mri, 0, macro_expr);
output_file_create (out_file_name);
dot_symbol_init ();
itbl_init ();
dwarf2_init ();
cond_finish_check (-1);
dot_symbol_init ();
local_symbol_make (".gasversion.", absolute_section,
&predefined_address_frag, BFD_VERSION / 10000UL);
// Main fuzzer target. Assemble our random data.
perform_an_assembly_pass (2, (char**)fakeArgv);
// Cleanup
cond_finish_check (-1);
codeview_finish ();
dwarf2_finish ();
cfi_finish ();
input_scrub_end ();
keep_it = 0;
output_file_close ();
free_notes ();
unlink(filename);
return 0;