ExternalVendorCode/AFLplusplus
1
0
Fork 0
mirror of https://github.com/AFLplusplus/AFLplusplus.git synced 2025-06-18 20:48:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

Improvements to debug output

Browse Source
This commit is contained in:
Your Name
2021-12-20 18:14:57 +00:00
parent db19116ce6
commit d59a76261d
32 changed files with 253 additions and 152 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
frida_mode/src/lib/lib.c
View File

@ -93,17 +93,18 @@ static void lib_read_text_section(lib_details_t *lib_details, Elf_Ehdr *hdr) {
}
FOKF("Image preferred load address 0x%016" G_GSIZE_MODIFIER "x",
preferred_base);
FVERBOSE("\tpreferred load address: 0x%016" G_GSIZE_MODIFIER "x",
preferred_base);
shdr = (Elf_Shdr *)((char *)hdr + hdr->e_shoff);
shstrtab = &shdr[hdr->e_shstrndx];
shstr = (char *)hdr + shstrtab->sh_offset;
FOKF("shdr: %p", shdr);
FOKF("shstrtab: %p", shstrtab);
FOKF("shstr: %p", shstr);
FVERBOSE("\tshdr: %p", shdr);
FVERBOSE("\tshstrtab: %p", shstrtab);
FVERBOSE("\tshstr: %p", shstr);
FVERBOSE("Sections:");
for (size_t i = 0; i < hdr->e_shnum; i++) {
curr = &shdr[i];
@ -111,21 +112,23 @@ static void lib_read_text_section(lib_details_t *lib_details, Elf_Ehdr *hdr) {
if (curr->sh_name == 0) continue;
section_name = &shstr[curr->sh_name];
FOKF("Section: %2" G_GSIZE_MODIFIER "u - base: 0x%016" G_GSIZE_MODIFIER
"X size: 0x%016" G_GSIZE_MODIFIER "X %s",
i, curr->sh_addr, curr->sh_size, section_name);
FVERBOSE("\t%2" G_GSIZE_MODIFIER "u - base: 0x%016" G_GSIZE_MODIFIER
"X size: 0x%016" G_GSIZE_MODIFIER "X %s",
i, curr->sh_addr, curr->sh_size, section_name);
if (memcmp(section_name, text_name, sizeof(text_name)) == 0 &&
text_base == 0) {
text_base = lib_details->base_address + curr->sh_addr - preferred_base;
text_limit = text_base + curr->sh_size;
FOKF("> text_addr: 0x%016" G_GINT64_MODIFIER "X", text_base);
FOKF("> text_limit: 0x%016" G_GINT64_MODIFIER "X", text_limit);
}
}
FVERBOSE(".text\n");
FVERBOSE("\taddr: 0x%016" G_GINT64_MODIFIER "X", text_base);
FVERBOSE("\tlimit: 0x%016" G_GINT64_MODIFIER "X", text_limit);
}
static void lib_get_text_section(lib_details_t *details) {
@ -141,7 +144,7 @@ static void lib_get_text_section(lib_details_t *details) {
if (len == (off_t)-1) { FFATAL("Failed to lseek %s", details->path); }
FOKF("len: %ld", len);
FVERBOSE("\tlength: %ld", len);
hdr = (Elf_Ehdr *)mmap(NULL, len, PROT_READ, MAP_PRIVATE, fd, 0);
if (hdr == MAP_FAILED) { FFATAL("Failed to map %s", details->path); }
@ -162,8 +165,10 @@ void lib_init(void) {
lib_details_t lib_details;
gum_process_enumerate_modules(lib_find_exe, &lib_details);
FOKF("Executable: 0x%016" G_GINT64_MODIFIER "x - %s",
lib_details.base_address, lib_details.path);
FVERBOSE("Image");
FVERBOSE("\tbase: 0x%016" G_GINT64_MODIFIER "x",
lib_details.base_address);
FVERBOSE("\tpath: %s", lib_details.path);
lib_get_text_section(&lib_details);
}