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authorUlrich Drepper <drepper@redhat.com>2002-02-01 09:36:26 +0000
committerUlrich Drepper <drepper@redhat.com>2002-02-01 09:36:26 +0000
commit50746436e142e98b967e7c5329e41879c83591a9 (patch)
tree42e5119da1a489df007546a37a710975561a2ce2
parentccdf0cab1d670a05afff42b02c7583ccd23abde9 (diff)
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Update.
2002-02-01 Ulrich Drepper <drepper@redhat.com> * elf/rtld.c (_dl_start): Mark as internal_function. * sysdeps/i386/dl-machine.h (RTLD_START): Pass parameter for _dl_start in register. (elf_machine_rel): Cleanup and minor optimization for RTLD_BOOTSTRAP. General pretty printing.
-rw-r--r--ChangeLog8
-rw-r--r--elf/rtld.c2
-rw-r--r--sysdeps/i386/dl-machine.h28
3 files changed, 23 insertions, 15 deletions
diff --git a/ChangeLog b/ChangeLog
index 9ac8c20244..f97e882bac 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2002-02-01 Ulrich Drepper <drepper@redhat.com>
+
+ * elf/rtld.c (_dl_start): Mark as internal_function.
+ * sysdeps/i386/dl-machine.h (RTLD_START): Pass parameter for _dl_start
+ in register.
+ (elf_machine_rel): Cleanup and minor optimization for RTLD_BOOTSTRAP.
+ General pretty printing.
+
2002-01-31 Ulrich Drepper <drepper@redhat.com>
* elf/dl-minimal.c: Define _itoa for 32-bit machines with HP timing.
diff --git a/elf/rtld.c b/elf/rtld.c
index af7b27fe24..58d61e70c4 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -125,7 +125,7 @@ RTLD_START
# error "sysdeps/MACHINE/dl-machine.h fails to define RTLD_START"
#endif
-static ElfW(Addr) __attribute_used__
+static ElfW(Addr) __attribute_used__ internal_function
_dl_start (void *arg)
{
struct link_map bootstrap_map;
diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
index 66392da8fe..a3d3f2580f 100644
--- a/sysdeps/i386/dl-machine.h
+++ b/sysdeps/i386/dl-machine.h
@@ -207,9 +207,9 @@ _dl_runtime_profile:\n\
.globl _start\n\
.globl _dl_start_user\n\
_start:\n\
- pushl %esp\n\
+ # Note that _dl_start gets the parameter in %eax.\n\
+ movl %esp, %eax\n\
call _dl_start\n\
- popl %ebx\n\
_dl_start_user:\n\
# Save the user entry point address in %edi.\n\
movl %eax, %edi\n\
@@ -252,7 +252,7 @@ _dl_start_user:\n\
");
#ifndef RTLD_START_SPECIAL_INIT
-#define RTLD_START_SPECIAL_INIT /* nothing */
+# define RTLD_START_SPECIAL_INIT /* nothing */
#endif
/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so
@@ -305,7 +305,7 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rel *reloc,
/* The i386 never uses Elf32_Rela relocations for the dynamic linker.
Prelinked libraries may use Elf32_Rela though. */
#ifdef RTLD_BOOTSTRAP
-#define ELF_MACHINE_NO_RELA 1
+# define ELF_MACHINE_NO_RELA 1
#endif
/* Perform the relocation specified by RELOC and SYM (which is fully resolved).
@@ -342,17 +342,19 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
else
#endif
{
-#ifndef RTLD_BOOTSTRAP
+#ifdef RTLD_BOOTSTRAP
+ Elf32_Addr value;
+
+ assert (r_type == R_386_GLOB_DAT || r_type == R_386_JMP_SLOT);
+
+ value = RESOLVE (&sym, version, r_type);
+ *reloc_addr = value + sym->st_value;
+#else
const Elf32_Sym *const refsym = sym;
-#endif
Elf32_Addr value = RESOLVE (&sym, version, r_type);
if (sym)
value += sym->st_value;
-#ifdef RTLD_BOOTSTRAP
- assert (r_type == R_386_GLOB_DAT || r_type == R_386_JMP_SLOT);
- *reloc_addr = value;
-#else
switch (r_type)
{
case R_386_GLOB_DAT:
@@ -403,7 +405,6 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
*reloc_addr = map->l_addr + reloc->r_addend;
else if (ELF32_R_TYPE (reloc->r_info) != R_386_NONE)
{
-/* const Elf32_Sym *const refsym = sym; */
Elf32_Addr value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
if (sym)
value += sym->st_value;
@@ -457,9 +458,8 @@ elf_machine_lazy_rel (struct link_map *map,
if (__builtin_expect (map->l_mach.plt, 0) == 0)
*reloc_addr += l_addr;
else
- *reloc_addr =
- map->l_mach.plt
- + (((Elf32_Addr) reloc_addr) - map->l_mach.gotplt) * 4;
+ *reloc_addr = (map->l_mach.plt
+ + (((Elf32_Addr) reloc_addr) - map->l_mach.gotplt) * 4);
}
else
_dl_reloc_bad_type (map, r_type, 1);