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rimage: display ELF section names. 

Display the name of each ELF section to aid build and debug.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
This commit is contained in:
Liam Girdwood 2018-04-06 21:16:12 +01:00 committed by Daniel Leung
parent 273f73fc5c
commit 269a477b63
2 changed files with 32 additions and 5 deletions
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36
rimage/elf.c
View File

@ -51,6 +51,29 @@ static int elf_read_sections(struct image *image, struct module *module)
return -errno;
}
/* read in strings */
module->strings = calloc(1, section[hdr->e_shstrndx].sh_size);
if (!module->strings) {
fprintf(stderr, "error: failed %s to read ELF strings for %d\n",
module->elf_file, -errno);
return -errno;
}
ret = fseek(module->fd, section[hdr->e_shstrndx].sh_offset, SEEK_SET);
if (ret < 0) {
fprintf(stderr, "error: can't seek to %s stringss %d\n",
module->elf_file, ret);
return ret;
}
count = fread(module->strings, 1, section[hdr->e_shstrndx].sh_size,
module->fd);
if (count != section[hdr->e_shstrndx].sh_size) {
fprintf(stderr, "error: failed to read %s strings %d\n",
module->elf_file, -errno);
return -errno;
}
/* find manifest module data */
man_section_idx = elf_find_section(image, module, ".bss");
if (man_section_idx < 0) {
@ -233,7 +256,7 @@ static void elf_module_size(struct image *image, struct module *module,
if (module->text_end < section->sh_addr + section->sh_size)
module->text_end = section->sh_addr + section->sh_size;
fprintf(stdout, "\tTEXT\n");
fprintf(stdout, "\tTEXT\t");
} else {
/* initialized data, also calc the writable sections */
if (module->data_start > section->sh_addr)
@ -241,7 +264,7 @@ static void elf_module_size(struct image *image, struct module *module,
if (module->data_end < section->sh_addr + section->sh_size)
module->data_end = section->sh_addr + section->sh_size;
fprintf(stdout, "\tDATA\n");
fprintf(stdout, "\tDATA\t");
}
break;
case SHT_NOBITS:
@ -250,9 +273,9 @@ static void elf_module_size(struct image *image, struct module *module,
/* updated the .bss segment */
module->bss_start = section->sh_addr;
module->bss_end = section->sh_addr + section->sh_size;
fprintf(stdout, "\tBSS\n");
fprintf(stdout, "\tBSS\t");
} else {
fprintf(stdout, "\tHEAP\n");
fprintf(stdout, "\tHEAP\t");
}
break;
default:
@ -272,7 +295,7 @@ static void elf_module_limits(struct image *image, struct module *module)
fprintf(stdout, " Found %d sections, listing valid sections......\n",
module->hdr.e_shnum);
fprintf(stdout, "\tNo\tStart\t\tEnd\t\tBytes\tType\n");
fprintf(stdout, "\tNo\tStart\t\tEnd\t\tBytes\tType\tName\n");
/* iterate all sections and get size of segments */
for (i = 0; i < module->hdr.e_shnum; i++) {
@ -296,6 +319,8 @@ static void elf_module_limits(struct image *image, struct module *module)
/* text or data section */
elf_module_size(image, module, section, i);
/* section name */
fprintf(stdout, "%s\n", module->strings + section->sh_name);
}
fprintf(stdout, "\n");
@ -528,5 +553,6 @@ void elf_free_module(struct image *image, int module_index)
free(module->prg);
free(module->section);
free(module->strings);
fclose(module->fd);
}

1
rimage/rimage.h
View File

@ -53,6 +53,7 @@ struct module {
Elf32_Ehdr hdr;
Elf32_Shdr *section;
Elf32_Phdr *prg;
char *strings;
uint32_t text_start;
uint32_t text_end;