static void debug_translateAddress(const char *symbol, bfd_vma address)
{
const char *file, *func;
unsigned int line;
asection *section;
for (section = abfd->sections; section != NULL; section = section->next) {
if ((bfd_get_section_flags(abfd, section) & SEC_ALLOC) == 0)
continue;
bfd_vma vma = bfd_get_section_vma(abfd, section);
bfd_size_type size = bfd_get_section_size(section);
if (address < vma || address >= vma + size)
continue;
if (!bfd_find_nearest_line(abfd, section, syms, address - vma,
&file, &func, &line))
continue;
do {
if (func == NULL || func[0] == '\0')
func = "??";
if (file == NULL || file[0] == '\0')
file = "??";
DEBUG("%s %s(...):%u %s", symbol, func, line, file);
} while (bfd_find_inliner_info(abfd, &file, &func, &line));
return;
}
DEBUG("%s %s(...):%u %s", symbol, "??", 0, "??");
}
static int addr2line(const char *dso_name, u64 addr,
char **file, unsigned int *line, struct dso *dso,
bool unwind_inlines, struct inline_node *node,
struct symbol *sym)
{
int ret = 0;
struct a2l_data *a2l = dso->a2l;
if (!a2l) {
dso->a2l = addr2line_init(dso_name);
a2l = dso->a2l;
}
if (a2l == NULL) {
pr_warning("addr2line_init failed for %s\n", dso_name);
return 0;
}
a2l->addr = addr;
a2l->found = false;
bfd_map_over_sections(a2l->abfd, find_address_in_section, a2l);
if (!a2l->found)
return 0;
if (unwind_inlines) {
int cnt = 0;
if (node && inline_list__append_dso_a2l(dso, node, sym))
return 0;
while (bfd_find_inliner_info(a2l->abfd, &a2l->filename,
&a2l->funcname, &a2l->line) &&
cnt++ < MAX_INLINE_NEST) {
if (a2l->filename && !strlen(a2l->filename))
a2l->filename = NULL;
if (node != NULL) {
if (inline_list__append_dso_a2l(dso, node, sym))
return 0;
// found at least one inline frame
ret = 1;
}
}
}
if (file) {
*file = a2l->filename ? strdup(a2l->filename) : NULL;
ret = *file ? 1 : 0;
}
if (line)
*line = a2l->line;
return ret;
}
static void process_section(bfd *bfdobj, asection *section, void *obj)
{
struct bfd_data *data = obj;
const char *file, *func;
unsigned int line;
bfd_vma offset;
bfd_vma vma;
bfd_size_type size;
bfd_boolean line_found = 0;
char *fn;
int inlined = 0;
offset = data->pc - (data->dynamic ? (bfd_vma)(uintptr_t) data->dli.dli_fbase : 0);
if (!(bfd_get_section_flags(bfdobj, section) & SEC_ALLOC)) {
return;
}
vma = bfd_get_section_vma(bfdobj, section);
size = bfd_get_section_size(section);
if (offset < vma || offset >= vma + size) {
/* Not in this section */
return;
}
line_found = bfd_find_nearest_line(bfdobj, section, data->syms, offset - vma, &file,
&func, &line);
if (!line_found) {
return;
}
/*
* If we find a line, we will want to continue calling bfd_find_inliner_info
* to capture any inlined functions that don't have their own stack frames.
*/
do {
data->found++;
/* file can possibly be null even with a success result from bfd_find_nearest_line */
file = file ? file : "";
fn = strrchr(file, '/');
#define FMT_INLINED "[%s] %s %s:%u %s()"
#define FMT_NOT_INLINED "[%p] %s %s:%u %s()"
snprintf(data->msg, MSG_BUFF_LEN, inlined ? FMT_INLINED : FMT_NOT_INLINED,
inlined ? "inlined" : (char *)(uintptr_t) data->pc,
data->libname,
fn ? fn + 1 : file,
line, S_OR(func, "???"));
if (AST_VECTOR_APPEND(data->return_strings, strdup(data->msg))) {
return;
}
inlined++;
/* Let's see if there are any inlined functions */
} while (bfd_find_inliner_info(bfdobj, &file, &func, &line));
}
static void find_address_in_section(bfd *abfd, asection *section, void *data) {
addr2line_data *adata = reinterpret_cast<addr2line_data*>(data);
bfd_vma vma;
bfd_size_type size;
if (adata->found) {
return;
}
if ((bfd_get_section_flags(abfd, section) & SEC_ALLOC) == 0) {
return;
}
vma = bfd_get_section_vma(abfd, section);
if (adata->pc < vma) {
return;
}
size = bfd_get_section_size(section);
if (adata->pc >= vma + size) {
return;
}
// libdwarf allocates its own unaligned memory so it doesn't play well with
// valgrind
#ifndef VALGRIND
adata->found = bfd_find_nearest_line(abfd, section, adata->syms,
adata->pc - vma, &adata->filename,
&adata->functionname, &adata->line);
#endif
if (adata->found) {
const char *file = adata->filename;
unsigned int line = adata->line;
bfd_boolean found = TRUE;
while (found) {
found = bfd_find_inliner_info(abfd, &file, &adata->functionname, &line);
}
}
}
static void wpa_trace_bfd_addr(void *pc)
{
bfd *abfd = cached_abfd;
struct bfd_data data;
const char *name;
char *aname = NULL;
const char *filename;
if (abfd == NULL)
return;
data.pc = (bfd_vma) pc;
data.found = FALSE;
bfd_map_over_sections(abfd, find_addr_sect, &data);
if (!data.found)
return;
do {
if (data.function)
aname = bfd_demangle(abfd, data.function,
DMGL_ANSI | DMGL_PARAMS);
name = aname ? aname : data.function;
filename = data.filename;
if (filename) {
char *end = os_strrchr(filename, '/');
int i = 0;
while (*filename && *filename == prg_fname[i] &&
filename <= end) {
filename++;
i++;
}
}
wpa_printf(MSG_INFO, " %s() %s:%u",
name, filename, data.line);
free(aname);
data.found = bfd_find_inliner_info(abfd, &data.filename,
&data.function, &data.line);
} while (data.found);
}
static void find_address_in_section(bfd *abfd, asection *section, void *data) {
addr2line_data *adata = reinterpret_cast<addr2line_data*>(data);
bfd_vma vma;
bfd_size_type size;
if (adata->found) {
return;
}
if ((bfd_get_section_flags(abfd, section) & SEC_ALLOC) == 0) {
return;
}
vma = bfd_get_section_vma(abfd, section);
if (adata->pc < vma) {
return;
}
size = bfd_get_section_size(section);
if (adata->pc >= vma + size) {
return;
}
adata->found = bfd_find_nearest_line(abfd, section, adata->syms,
adata->pc - vma, &adata->filename,
&adata->functionname, &adata->line);
if (adata->found) {
const char *file = adata->filename;
unsigned int line = adata->line;
bfd_boolean found = TRUE;
while (found) {
found = bfd_find_inliner_info(abfd, &file, &adata->functionname, &line);
}
}
}