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* sysdeps/powerpc/dl-machine.c (dl_reloc_overflow): New function.

Browse Source 
(__process_machine_rela): Print the address of an overflowing 
reloc.
2000-10-17  Geoffrey Keating  <geoffk@cygnus.com>

	* sysdeps/powerpc/fpu/bits/mathinline.h: Add versions
	of the unordered comparison functions that use the GCC builtins.

	* sysdeps/powerpc/dl-machine.c (dl_reloc_overflow): New function.
	(__process_machine_rela): Print the address of an overflowing
	reloc.
This commit is contained in:
Geoff Keating 2000-10-19 08:15:09 +00:00
parent 549fc33c06
commit c6e6c9c896
2 changed files with 28 additions and 8 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
2000-10-17 Geoffrey Keating <geoffk@cygnus.com>
* sysdeps/powerpc/fpu/bits/mathinline.h: Add versions
of the unordered comparison functions that use the GCC builtins.
* sysdeps/powerpc/dl-machine.c (dl_reloc_overflow): New function.
(__process_machine_rela): Print the address of an overflowing
reloc.
2000-10-18 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/shm_open.c: Correct default mount point

27
sysdeps/powerpc/dl-machine.c
View File

@ -25,6 +25,7 @@
#include <ldsodefs.h>
#include <elf/dynamic-link.h>
#include <dl-machine.h>
#include <stdio-common/_itoa.h>
/* Because ld.so is now versioned, these functions can be in their own file;
no relocations need to be done to call them.
@ -364,6 +365,20 @@ __elf_machine_fixup_plt(struct link_map *map, const Elf32_Rela *reloc,
return finaladdr;
}
static void
dl_reloc_overflow (struct link_map *map,
const char *name,
Elf32_Addr *const reloc_addr)
{
char buffer[128];
char *t;
t = stpcpy (buffer, name);
t = stpcpy (t, " relocation at 0x00000000");
_itoa_word ((unsigned) reloc_addr, t, 16, 0);
t = stpcpy (t, " out of range");
_dl_signal_error (0, map->l_name, buffer);
}
void
__process_machine_rela (struct link_map *map,
const Elf32_Rela *reloc,
@ -387,16 +402,14 @@ __process_machine_rela (struct link_map *map,
case R_PPC_ADDR24:
if (finaladdr > 0x01fffffc && finaladdr < 0xfe000000)
_dl_signal_error (0, map->l_name,
"R_PPC_ADDR24 relocation out of range");
dl_reloc_overflow (map, "R_PPC_ADDR24", reloc_addr);
*reloc_addr = (*reloc_addr & 0xfc000003) | (finaladdr & 0x3fffffc);
break;
case R_PPC_ADDR16:
case R_PPC_UADDR16:
if (finaladdr > 0x7fff && finaladdr < 0x8000)
_dl_signal_error (0, map->l_name,
"R_PPC_ADDR16 relocation out of range");
dl_reloc_overflow (map, "R_PPC_ADDR16", reloc_addr);
*(Elf32_Half*) reloc_addr = finaladdr;
break;
@ -416,8 +429,7 @@ __process_machine_rela (struct link_map *map,
case R_PPC_ADDR14_BRTAKEN:
case R_PPC_ADDR14_BRNTAKEN:
if (finaladdr > 0x7fff && finaladdr < 0x8000)
_dl_signal_error (0, map->l_name,
"R_PPC_ADDR14 relocation out of range");
dl_reloc_overflow (map, "R_PPC_ADDR14", reloc_addr);
*reloc_addr = (*reloc_addr & 0xffff0003) | (finaladdr & 0xfffc);
if (rinfo != R_PPC_ADDR14)
*reloc_addr = ((*reloc_addr & 0xffdfffff)
@ -429,8 +441,7 @@ __process_machine_rela (struct link_map *map,
{
Elf32_Sword delta = finaladdr - (Elf32_Word) reloc_addr;
if (delta << 6 >> 6 != delta)
_dl_signal_error (0, map->l_name,
"R_PPC_REL24 relocation out of range");
dl_reloc_overflow (map, "R_PPC_REL14", reloc_addr);
*reloc_addr = (*reloc_addr & 0xfc000003) | (delta & 0x3fffffc);
}
break;