Author: avg
Date: Sat Aug 21 18:48:24 2010
New Revision: 211585
URL: http://svn.freebsd.org/changeset/base/211585
Log:
MFC r210423: completely ignore zero-sized elf sections in modules of elf
object type (amd64)
Modified:
stable/8/sys/boot/common/load_elf_obj.c
stable/8/sys/kern/link_elf_obj.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cam/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
Modified: stable/8/sys/boot/common/load_elf_obj.c
==============================================================================
--- stable/8/sys/boot/common/load_elf_obj.c Sat Aug 21 18:40:42 2010
(r211584)
+++ stable/8/sys/boot/common/load_elf_obj.c Sat Aug 21 18:48:24 2010
(r211585)
@@ -221,6 +221,8 @@ __elfN(obj_loadimage)(struct preloaded_f
for (i = 0; i < hdr->e_shnum; i++)
shdr[i].sh_addr = 0;
for (i = 0; i < hdr->e_shnum; i++) {
+ if (shdr[i].sh_size == 0)
+ continue;
switch (shdr[i].sh_type) {
case SHT_PROGBITS:
case SHT_NOBITS:
Modified: stable/8/sys/kern/link_elf_obj.c
==============================================================================
--- stable/8/sys/kern/link_elf_obj.c Sat Aug 21 18:40:42 2010
(r211584)
+++ stable/8/sys/kern/link_elf_obj.c Sat Aug 21 18:48:24 2010
(r211585)
@@ -555,6 +555,8 @@ link_elf_load_file(linker_class_t cls, c
symtabindex = -1;
symstrindex = -1;
for (i = 0; i < hdr->e_shnum; i++) {
+ if (shdr[i].sh_size == 0)
+ continue;
switch (shdr[i].sh_type) {
case SHT_PROGBITS:
case SHT_NOBITS:
@@ -677,6 +679,8 @@ link_elf_load_file(linker_class_t cls, c
/* Size up code/data(progbits) and bss(nobits). */
alignmask = 0;
for (i = 0; i < hdr->e_shnum; i++) {
+ if (shdr[i].sh_size == 0)
+ continue;
switch (shdr[i].sh_type) {
case SHT_PROGBITS:
case SHT_NOBITS:
@@ -737,6 +741,8 @@ link_elf_load_file(linker_class_t cls, c
ra = 0;
alignmask = 0;
for (i = 0; i < hdr->e_shnum; i++) {
+ if (shdr[i].sh_size == 0)
+ continue;
switch (shdr[i].sh_type) {
case SHT_PROGBITS:
case SHT_NOBITS:
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