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zdump: df_elf: read_elf_hdr: return Elf64_Ehdr struct

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This makes the API of `read_elf_hdr` consistent with `read_elf_phdrs`.

Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Marc Hartmayer
2022-04-11 14:26:41 +02:00
committed by Jan Höppner
parent 4e6d43e2ac
commit f93f437f8b
3 changed files with 25 additions and 16 deletions
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31
zdump/dfi_elf.c
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@@ -267,21 +267,23 @@ static int dfi_elf_init(void)
{
unsigned int phnum, i;
Elf64_Phdr *phdrs;
Elf64_Ehdr ehdr;
Elf64_Ehdr *ehdr;
int rc = -ENODEV;
util_log_print(UTIL_LOG_DEBUG, "DFI ELF initialization\n");
if (read_elf_hdr(g.fh, &ehdr) != 0)
ehdr = read_elf_hdr(g.fh);
if (!ehdr)
return -ENODEV;
if (check_elf_hdr(&ehdr) < 0)
return -ENODEV;
if (check_elf_hdr(ehdr) < 0)
goto free_ehdr;
df_elf_ensure_s390x();
dfi_arch_set(DFI_ARCH_64);
dfi_cpu_info_init(DFI_CPU_CONTENT_ALL);
phdrs = read_elf_phdrs(g.fh, &ehdr, &phnum);
phdrs = read_elf_phdrs(g.fh, ehdr, &phnum);
util_log_print(UTIL_LOG_DEBUG, "DFI ELF e_phnum %u\n", phnum);
for (i = 0; i < phnum; i++) {
const Elf64_Phdr *phdr = &phdrs[i];
@@ -290,24 +292,29 @@ static int dfi_elf_init(void)
switch (phdr->p_type) {
case PT_LOAD:
if (pt_load_add(phdr)) {
free(phdrs);
return -EINVAL;
rc = -EINVAL;
goto free_phdrs;
}
break;
case PT_NOTE:
if (pt_notes_add(phdr)) {
free(phdrs);
return -EINVAL;
rc = -EINVAL;
goto free_phdrs;
}
break;
default:
break;
}
}
free(phdrs);
dfi_attr_version_set(ehdr.e_ident[EI_VERSION]);
return 0;
dfi_attr_version_set(ehdr->e_ident[EI_VERSION]);
rc = 0;
free_phdrs:
free(phdrs);
free_ehdr:
free(ehdr);
return rc;
}
/*