Files
AFLplusplus/qemu_mode/patches/elfload.diff
2019-06-03 14:04:44 +02:00

35 lines
1.2 KiB
Diff

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 5bccd2e2..94e928a4 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -20,6 +20,8 @@
#define ELF_OSABI ELFOSABI_SYSV
+extern abi_ulong afl_entry_point, afl_start_code, afl_end_code;
+
/* from personality.h */
/*
@@ -2301,6 +2303,8 @@ static void load_elf_image(const char *image_name, int image_fd,
info->brk = 0;
info->elf_flags = ehdr->e_flags;
+ if (!afl_entry_point) afl_entry_point = info->entry;
+
for (i = 0; i < ehdr->e_phnum; i++) {
struct elf_phdr *eppnt = phdr + i;
if (eppnt->p_type == PT_LOAD) {
@@ -2335,9 +2339,11 @@ static void load_elf_image(const char *image_name, int image_fd,
if (elf_prot & PROT_EXEC) {
if (vaddr < info->start_code) {
info->start_code = vaddr;
+ if (!afl_start_code) afl_start_code = vaddr;
}
if (vaddr_ef > info->end_code) {
info->end_code = vaddr_ef;
+ if (!afl_end_code) afl_end_code = vaddr_ef;
}
}
if (elf_prot & PROT_WRITE) {