mirror of
https://github.com/AFLplusplus/AFLplusplus.git
synced 2025-06-12 10:08:07 +00:00
25 lines
913 B
Diff
25 lines
913 B
Diff
--- qemu-2.10.0/linux-user/elfload.c.after 2019-05-28 15:21:36.931618928 +0200
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+++ qemu-2.10.0/linux-user/elfload.c 2019-05-28 15:22:23.939617556 +0200
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@@ -2087,7 +2087,20 @@
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info->brk = 0;
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info->elf_flags = ehdr->e_flags;
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- if (!afl_entry_point) afl_entry_point = info->entry;
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+ if (!afl_entry_point) {
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+ char *ptr;
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+ if ((ptr = getenv("AFL_ENTRYPOINT")) != NULL) {
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+ afl_entry_point = strtoul(ptr, NULL, 16);
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+ } else {
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+ if (!afl_entry_point) afl_entry_point = info->entry;
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+ }
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+#ifdef TARGET_ARM
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+ /* The least significant bit indicates Thumb mode. */
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+ afl_entry_point = afl_entry_point & ~(target_ulong)1;
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+#endif
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+ if (getenv("AFL_DEBUG") != NULL)
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+ fprintf(stderr, "AFL forkserver entrypoint: %p\n", (void*)afl_entry_point);
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+ } while(0);
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for (i = 0; i < ehdr->e_phnum; i++) {
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struct elf_phdr *eppnt = phdr + i;
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