Lines Matching +full:stale +full:- +full:issue +full:- +full:label
2 american fuzzy lop++ - wrapper for GNU as
3 -----------------------------------------
7 Now maintained by Marc Heuse <mh@mh-sec.de>,
12 Copyright 2019-2024 AFLplusplus Project. All rights reserved.
18 https://www.apache.org/licenses/LICENSE-2.0
21 by GCC / clang and inject the instrumentation bits included from afl-as.h. It
23 afl-gcc / afl-clang.
25 Note that it's an explicit non-goal to instrument hand-written assembly,
31 allow clang users to make things work even with hand-crafted assembly. Just
41 #include "alloc-inl.h"
43 #include "afl-as.h"
71 /* If we don't find --32 or --64 in the command line, default to
84 #error "Sorry, 32-bit Apple platforms are not supported."
102 /* On MacOS X, the Xcode cctool 'as' driver is a bit stale and does not work in edit_params()
103 with the code generated by newer versions of clang that are hand-built in edit_params()
107 specified, we will actually call 'clang -c' instead of 'as -q' to in edit_params()
110 The tools aren't cmdline-compatible, but at least for now, we can in edit_params()
127 is not set. We need to check these non-standard variables to properly in edit_params()
135 if (unlikely((INT_MAX - 32) < argc || !as_params)) { in edit_params()
147 file, e.g. as input.s -o output.o */ in edit_params()
148 for (input_index = argc - 1; input_index > 0; input_index--) { in edit_params()
152 if (strncmp(input_file, "-g", 2)) break; in edit_params()
157 FATAL("Could not find input file (not called through afl-gcc?)"); in edit_params()
163 if (!strcmp(argv[i], "--64")) { in edit_params()
167 } else if (!strcmp(argv[i], "--32")) { in edit_params()
177 if (!strcmp(argv[i], "-arch") && i + 1 < (u32)argc) { in edit_params()
182 FATAL("Sorry, 32-bit Apple platforms are not supported."); in edit_params()
189 if (clang_mode && (!strcmp(argv[i], "-q") || !strcmp(argv[i], "-Q"))) in edit_params()
200 /* When calling clang as the upstream assembler, append -c -x assembler in edit_params()
205 as_params[as_par_cnt++] = "-c"; in edit_params()
206 as_params[as_par_cnt++] = "-x"; in edit_params()
213 if (input_file[0] == '-') { in edit_params()
215 if (!strcmp(input_file + 1, "-version")) { in edit_params()
225 FATAL("Incorrect use (not called through afl-gcc?)"); in edit_params()
236 to compile a program, rather than using gcc on an ad-hoc .s file in in edit_params()
237 a format we may not understand. This works around an issue compiling in edit_params()
255 modified_file = alloc_printf("%s/.afl-%u-%u-%u.s", tmp_dir, (u32)getpid(), in edit_params()
323 /* Output the actual line, call it a day in pass-thru mode. */
331 files - and let's set instr_ok accordingly. */
367 /* Detect off-flavor assembly (rare, happens in gdb). When this is
378 /* Detect syntax changes, as could happen with hand-written assembly.
384 /* Detect and skip ad-hoc __asm__ blocks, likewise skipping them. */
397 ^main: - function entry point (always instrumented)
398 ^.L0: - GCC branch label
399 ^.LBB0_0: - clang branch label (but only in clang mode)
400 ^\tjnz foo - conditional branches
404 ^# BB#0: - clang comments
405 ^ # BB#0: - ditto
406 ^.Ltmp0: - clang non-branch labels
407 ^.LC0 - GCC non-branch labels
408 ^.LBB0_0: - ditto (when in GCC mode)
409 ^\tjmp foo - non-conditional jumps
425 right after the branch (to instrument the not-taken path) and at the
426 branch destination label (handled later on). */
443 /* Label of some sort. This may be a branch destination, but we need to
453 if (line[0] == 'L' && isdigit(*(colon_pos - 1))) {
485 label is mentioned in the code in contexts other than call / jmp.
486 That said, this complicates the code by requiring two-pass
489 about not generating spurious intra-function jumps.
492 .Lfunc_begin0-style exception handling calculations (a problem on
509 /* Function label (always instrumented, deferred mode). */
529 pass_thru ? " (pass-thru mode)" : "");
535 getenv("AFL_HARDEN") ? "hardened" : "non-hardened",
542 OKF("Instrumented %u locations (%s-bit, %s mode, ratio %u%%).", ins_lines,
567 SAYF(cCYA "afl-as" VERSION cRST " by Michal Zalewski\n");
575 if (argc < 2 || (argc == 2 && strcmp(argv[1], "-h") == 0)) {
579 "afl-as" VERSION
581 "\n%s [-h]\n\n"
582 "This is a helper application for afl-fuzz. It is a wrapper around GNU "
584 "executed by the toolchain whenever using afl-gcc or afl-clang. You "
643 ASAN-specific branches. But we can probabilistically compensate for
658 FATAL("Oops, failed to execute '%s' - check your PATH", as_params[0]);