2004-04-04  Carlos O'Donell  <carlos@baldric.uwo.ca>

	* sysdeps/hppa/Dist: Add bits/link.h elf/entry.h.

	* sysdeps/hppa/bits/link.h: New file.

	* sysdeps/hppa/dl-machine.h (__hppa_init_bootstrap_fdesc_table):
	Initialze the fdesc table for the generic code.
	(elf_machine_dynamic): Use asm version.
	(elf_machine_load_addresss): Simplify asm by calling
	elf_machine_dynamic.
	(elf_machine_fixup_plt): Correct comment.
	(elf_machine_profile_fixup_plt): New.
	(elf_machine_runtime_setup): Check PLT exists, if lazy=1  process
	normally, else relocate all the absolute entries.
	(RTLD_START): Fix comments.
	(TRAMPOLINE_TEMPLATE): Reformat assembly, add return pointer for
	calls to profile_fixup.
	(ELF_MACHINE_SIZEOF_JMP_SLOT, DL_STATIC_FUNCTION_ADDRESS,
	DL_PLATFORM_INIT): Define.
	(DL_FUNCTION_ADDRESS): Remove.
	(dl_platform_init): New.
	(elf_machine_rela): Use generic fdesc code, and process all COPY
	relocations. Use __attribute__((always_inline)).
	(elf_machine_rela_relative): Add sanity checks, remove IPLT
	processing, print error message in default case. Use
	__attribute__((always_inline)).
	(elf_machine_lazy_rel): Use __attribute__((always_inline)).

2004-04-05  Carlos O'Donell  <carlos@baldric.uwo.ca>

	* sysdeps/hppa/fpu/feupdateenv.c (feupdateenv): Use only sw[0]
	and call feraiseexcept.

2003-11-15  Randolph Chung  <tausq@debian.org>

	* gmon/gmon.c (__monstartup): Round kcountsize to multiples of
	the froms[] array so the array is properly aligned.

2004-04-05  H.J. Lu  <hongjiu.lu@intel.com>

	* Makeconfig (libgcc_eh): Add -Wl,.

	* configure.in: Add -lgcc_s for --as-needed check.

2004-04-16  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* sysdeps/sh/elf/configure.in: New file.

	* iconvdata/gconv-modules: Add PT154 and RK1048 entries.
	* iconvdata/tst-tables.sh: Add PT154 and RK1048.
	* iconvdata/Makefile (modules): Add PT154 anhd RK1048.
	(distribute): Add pt154.c and rk1048.c.
	(gen-8bit-gap-modules): Add pt154 and rk1048.
	* icondata/pt154.c: New file.
	* iconvdata/rk1048.c: New file.
This commit is contained in:
Ulrich Drepper 2004-04-17 22:57:01 +00:00
parent 5339290658
commit 69ac9d0793
7 changed files with 386 additions and 256 deletions

View File

@ -1,5 +1,62 @@
2004-04-04 Carlos O'Donell <carlos@baldric.uwo.ca>
* sysdeps/hppa/Dist: Add bits/link.h elf/entry.h.
* sysdeps/hppa/bits/link.h: New file.
* sysdeps/hppa/dl-machine.h (__hppa_init_bootstrap_fdesc_table):
Initialze the fdesc table for the generic code.
(elf_machine_dynamic): Use asm version.
(elf_machine_load_addresss): Simplify asm by calling
elf_machine_dynamic.
(elf_machine_fixup_plt): Correct comment.
(elf_machine_profile_fixup_plt): New.
(elf_machine_runtime_setup): Check PLT exists, if lazy=1 process
normally, else relocate all the absolute entries.
(RTLD_START): Fix comments.
(TRAMPOLINE_TEMPLATE): Reformat assembly, add return pointer for
calls to profile_fixup.
(ELF_MACHINE_SIZEOF_JMP_SLOT, DL_STATIC_FUNCTION_ADDRESS,
DL_PLATFORM_INIT): Define.
(DL_FUNCTION_ADDRESS): Remove.
(dl_platform_init): New.
(elf_machine_rela): Use generic fdesc code, and process all COPY
relocations. Use __attribute__((always_inline)).
(elf_machine_rela_relative): Add sanity checks, remove IPLT
processing, print error message in default case. Use
__attribute__((always_inline)).
(elf_machine_lazy_rel): Use __attribute__((always_inline)).
2004-04-05 Carlos O'Donell <carlos@baldric.uwo.ca>
* sysdeps/hppa/fpu/feupdateenv.c (feupdateenv): Use only sw[0]
and call feraiseexcept.
2003-11-15 Randolph Chung <tausq@debian.org>
* gmon/gmon.c (__monstartup): Round kcountsize to multiples of
the froms[] array so the array is properly aligned.
2004-04-05 H.J. Lu <hongjiu.lu@intel.com>
* Makeconfig (libgcc_eh): Add -Wl,.
* configure.in: Add -lgcc_s for --as-needed check.
2004-04-16 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/elf/configure.in: New file.
2004-04-17 Ulrich Drepper <drepper@redhat.com> 2004-04-17 Ulrich Drepper <drepper@redhat.com>
* iconvdata/gconv-modules: Add PT154 and RK1048 entries.
* iconvdata/tst-tables.sh: Add PT154 and RK1048.
* iconvdata/Makefile (modules): Add PT154 anhd RK1048.
(distribute): Add pt154.c and rk1048.c.
(gen-8bit-gap-modules): Add pt154 and rk1048.
* icondata/pt154.c: New file.
* iconvdata/rk1048.c: New file.
* rt/tst-timer4.c: Disable some tests, mark errors better. * rt/tst-timer4.c: Disable some tests, mark errors better.
2004-04-16 Ulrich Drepper <drepper@redhat.com> 2004-04-16 Ulrich Drepper <drepper@redhat.com>

View File

@ -114,7 +114,7 @@ __monstartup (lowpc, highpc)
p->lowpc = ROUNDDOWN(lowpc, HISTFRACTION * sizeof(HISTCOUNTER)); p->lowpc = ROUNDDOWN(lowpc, HISTFRACTION * sizeof(HISTCOUNTER));
p->highpc = ROUNDUP(highpc, HISTFRACTION * sizeof(HISTCOUNTER)); p->highpc = ROUNDUP(highpc, HISTFRACTION * sizeof(HISTCOUNTER));
p->textsize = p->highpc - p->lowpc; p->textsize = p->highpc - p->lowpc;
p->kcountsize = p->textsize / HISTFRACTION; p->kcountsize = ROUNDUP(p->textsize / HISTFRACTION, sizeof(*p->froms));
p->hashfraction = HASHFRACTION; p->hashfraction = HASHFRACTION;
p->log_hashfraction = -1; p->log_hashfraction = -1;
/* The following test must be kept in sync with the corresponding /* The following test must be kept in sync with the corresponding

View File

@ -1,5 +1,6 @@
2004-04-17 Ulrich Drepper <drepper@redhat.com> 2004-04-17 Ulrich Drepper <drepper@redhat.com>
* SUPPORTED (SUPPORTED-LOCALES): Add kk_KZ/PT154.
* locales/kk_KZ: New file. * locales/kk_KZ: New file.
* charmaps/PT154: New file. * charmaps/PT154: New file.
* charmaps/RK1048: New file. * charmaps/RK1048: New file.

View File

@ -1,3 +1,5 @@
libgcc-compat.c libgcc-compat.c
dl-symaddr.c dl-symaddr.c
dl-fptr.c dl-fptr.c
bits/link.h
elf/entry.h

6
sysdeps/hppa/bits/link.h Normal file
View File

@ -0,0 +1,6 @@
/* Used to store the function descriptor table */
struct link_map_machine
{
size_t fptr_table_len;
ElfW(Addr) *fptr_table;
};

View File

@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. PA-RISC version. /* Machine-dependent ELF dynamic relocation inline functions. PA-RISC version.
Copyright (C) 1995-1997,1999,2000,2001,2002, 2003 Copyright (C) 1995-1997,1999-2003
Free Software Foundation, Inc. Free Software Foundation, Inc.
Contributed by David Huggins-Daines <dhd@debian.org> Contributed by David Huggins-Daines <dhd@debian.org>
This file is part of the GNU C Library. This file is part of the GNU C Library.
@ -25,40 +25,52 @@
#define ELF_MACHINE_NAME "hppa" #define ELF_MACHINE_NAME "hppa"
#include <sys/param.h> #include <sys/param.h>
#include <assert.h>
#include <string.h> #include <string.h>
#include <link.h> #include <link.h>
#include <assert.h> #include <errno.h>
#include <dl-fptr.h>
#include <abort-instr.h>
/* These must match the definition of the stub in bfd/elf32-hppa.c. */ # define VALID_ELF_OSABI(osabi) ((osabi == ELFOSABI_SYSV) || (osabi == ELFOSABI_LINUX))
#define SIZEOF_PLT_STUB (4*4) # define VALID_ELF_ABIVERSION(ver) (ver == 0)
# define VALID_ELF_HEADER(hdr,exp,size) \
memcmp (hdr,exp,size-2) == 0 \
&& VALID_ELF_OSABI (hdr[EI_OSABI]) \
&& VALID_ELF_ABIVERSION (hdr[EI_ABIVERSION])
/* These two definitions must match the definition of the stub in
bfd/elf32-hppa.c (see plt_stub[]).
a. Define the size of the *entire* stub we place at the end of the PLT
table (right up against the GOT).
b. Define the number of bytes back from the GOT to the entry point of
the PLT stub. You see the PLT stub must be entered in the middle
so it can depwi to find it's own address (long jump stub)
c. Define the size of a single PLT entry so we can jump over the
last entry to get the stub address */
#define SIZEOF_PLT_STUB (7*4)
#define GOT_FROM_PLT_STUB (4*4) #define GOT_FROM_PLT_STUB (4*4)
#define PLT_ENTRY_SIZE (2*4)
/* A PLABEL is a function descriptor. Properly they consist of just /* Initialize the function descriptor table before relocations */
FUNC and GP. But we want to traverse a binary tree too. See static inline void
dl-fptr.c for the code (it may be made common between HPPA and __hppa_init_bootstrap_fdesc_table (struct link_map *map)
IA-64 in the future).
We call these 'fptr' to make it easier to steal code from IA-64. */
/* ld.so currently has 12 PLABEL32 relocs. We'll keep this constant
large for now in case we require more, as the rest of these will be
used by the dynamic program itself (libc.so has quite a few
PLABEL32 relocs in it). */
#define HPPA_BOOT_FPTR_SIZE 256
struct hppa_fptr
{ {
Elf32_Addr func; ElfW(Addr) *boot_table;
Elf32_Addr gp;
struct hppa_fptr *next;
};
extern struct hppa_fptr __boot_ldso_fptr[]; /* Careful: this will be called before got has been relocated... */
extern struct hppa_fptr *__fptr_root; ELF_MACHINE_LOAD_ADDRESS(boot_table,_dl_boot_fptr_table);
extern int __fptr_count;
extern Elf32_Addr __hppa_make_fptr (const struct link_map *, Elf32_Addr, map->l_mach.fptr_table_len = ELF_MACHINE_BOOT_FPTR_TABLE_LEN;
struct hppa_fptr **, struct hppa_fptr *); map->l_mach.fptr_table = boot_table;
}
#define ELF_MACHINE_BEFORE_RTLD_RELOC(dynamic_info) \
__hppa_init_bootstrap_fdesc_table (&bootstrap_map);
/* Return nonzero iff ELF header is compatible with the running host. */ /* Return nonzero iff ELF header is compatible with the running host. */
static inline int static inline int
@ -67,55 +79,52 @@ elf_machine_matches_host (const Elf32_Ehdr *ehdr)
return ehdr->e_machine == EM_PARISC; return ehdr->e_machine == EM_PARISC;
} }
/* Return the link-time address of _DYNAMIC. */ /* Return the link-time address of _DYNAMIC. */
static inline Elf32_Addr
elf_machine_dynamic (void) __attribute__ ((const));
static inline Elf32_Addr static inline Elf32_Addr
elf_machine_dynamic (void) elf_machine_dynamic (void)
{ {
Elf32_Addr dynamic; Elf32_Addr dynamic;
#if 0 asm ("b,l 1f,%0\n"
/* Use this method if GOT address not yet set up. */
asm (
" b,l 1f,%0\n"
" depi 0,31,2,%0\n" " depi 0,31,2,%0\n"
"1: addil L'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 8),%0\n" "1: addil L'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 8),%0\n"
" ldw R'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 12)(%%r1),%0\n" " ldw R'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 12)(%%r1),%0\n"
: "=r" (dynamic) : : "r1"); : "=r" (dynamic) : : "r1");
#else
/* This works because we already have our GOT address available. */
dynamic = (Elf32_Addr) &_DYNAMIC;
#endif
return dynamic; return dynamic;
} }
/* Return the run-time load address of the shared object. */ /* Return the run-time load address of the shared object. */
static inline Elf32_Addr
elf_machine_load_address (void) __attribute__ ((const));
static inline Elf32_Addr static inline Elf32_Addr
elf_machine_load_address (void) elf_machine_load_address (void)
{ {
Elf32_Addr dynamic, dynamic_linkaddress; Elf32_Addr dynamic;
asm ( asm (
" b,l 1f,%0\n" " b,l 1f,%0\n"
" depi 0,31,2,%0\n" " depi 0,31,2,%0\n"
"1: addil L'_DYNAMIC - ($PIC_pcrel$0 - 8),%0\n" "1: addil L'_DYNAMIC - ($PIC_pcrel$0 - 8),%0\n"
" ldo R'_DYNAMIC - ($PIC_pcrel$0 - 12)(%%r1),%1\n" " ldo R'_DYNAMIC - ($PIC_pcrel$0 - 12)(%%r1),%0\n"
" addil L'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 16),%0\n" : "=r" (dynamic) : : "r1");
" ldw R'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 20)(%%r1),%0\n"
: "=r" (dynamic_linkaddress), "=r" (dynamic) : : "r1");
return dynamic - dynamic_linkaddress; return dynamic - elf_machine_dynamic ();
} }
/* Fixup a PLT entry to bounce directly to the function at VALUE. */ /* Fixup a PLT entry to bounce directly to the function at VALUE.
Optimized non-profile version. */
static inline Elf32_Addr static inline Elf32_Addr
elf_machine_fixup_plt (struct link_map *map, lookup_t t, elf_machine_fixup_plt (struct link_map *map, lookup_t t,
const Elf32_Rela *reloc, const Elf32_Rela *reloc,
Elf32_Addr *reloc_addr, Elf32_Addr value) Elf32_Addr *reloc_addr, Elf32_Addr value)
{ {
/* l is the link_map for the caller, t is the link_map for the object /* map is the link_map for the caller, t is the link_map for the object
* being called */ being called */
reloc_addr[1] = D_PTR (t, l_info[DT_PLTGOT]); reloc_addr[1] = D_PTR (t, l_info[DT_PLTGOT]);
reloc_addr[0] = value; reloc_addr[0] = value;
/* Return the PLT slot rather than the function value so that the /* Return the PLT slot rather than the function value so that the
@ -123,6 +132,20 @@ elf_machine_fixup_plt (struct link_map *map, lookup_t t,
return (Elf32_Addr) reloc_addr; return (Elf32_Addr) reloc_addr;
} }
/* Fixup a PLT entry to bounce directly to the function at VALUE. */
#define ELF_MACHINE_PROFILE_FIXUP_PLT elf_machine_profile_fixup_plt
static inline Elf32_Addr
elf_machine_profile_fixup_plt (struct link_map *map, lookup_t t,
const Elf32_Rela *reloc,
Elf32_Addr *reloc_addr, Elf32_Addr value)
{
if(__builtin_expect (t == NULL, 1))
return (Elf32_Addr) reloc_addr;
/* Return the PLT slot rather than the function value so that the
trampoline can load the new LTP. */
return (Elf32_Addr) elf_machine_fixup_plt(map, t, reloc, reloc_addr, value);
}
/* Return the final value of a plt relocation. */ /* Return the final value of a plt relocation. */
static inline Elf32_Addr static inline Elf32_Addr
elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc, elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
@ -138,110 +161,158 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
static inline int static inline int
elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
{ {
Elf32_Addr *got = NULL;
Elf32_Addr l_addr, iplt, jmprel, end_jmprel, r_type, r_sym;
const Elf32_Rela *reloc;
struct fdesc *fptr;
static union {
unsigned char c[8];
Elf32_Addr i[2];
} sig = {{0x00,0xc0,0xff,0xee, 0xde,0xad,0xbe,0xef}};
/* If we don't have a PLT we can just skip all this... */
if (__builtin_expect (l->l_info[DT_JMPREL] == NULL,0))
return lazy;
/* All paths use these values */
l_addr = l->l_addr;
jmprel = D_PTR(l, l_info[DT_JMPREL]);
end_jmprel = jmprel + l->l_info[DT_PLTRELSZ]->d_un.d_val;
extern void _dl_runtime_resolve (void); extern void _dl_runtime_resolve (void);
extern void _dl_runtime_profile (void); extern void _dl_runtime_profile (void);
Elf32_Addr jmprel = D_PTR(l, l_info[DT_JMPREL]);
/* Linking lazily */
if (lazy && jmprel) if (lazy)
{ {
Elf32_Addr *got = NULL; /* FIXME: Search for the got, but backwards through the relocs, technically we should
Elf32_Addr l_addr; find it on the first try. However, assuming the relocs got out of order the
Elf32_Addr end_jmprel; routine is made a bit more robust by searching them all in case of failure. */
Elf32_Addr iplt; for (iplt = (end_jmprel - sizeof(Elf32_Rela)); iplt >= jmprel; iplt -= sizeof (Elf32_Rela))
{
reloc = (const Elf32_Rela *) iplt;
r_type = ELF32_R_TYPE (reloc->r_info);
r_sym = ELF32_R_SYM (reloc->r_info);
/* Relocate all the PLT slots. */ got = (Elf32_Addr *) (reloc->r_offset + l_addr + PLT_ENTRY_SIZE + SIZEOF_PLT_STUB);
l_addr = l->l_addr;
end_jmprel = jmprel + l->l_info[DT_PLTRELSZ]->d_un.d_val; /* If we aren't an IPLT, and we aren't NONE then it's a bad reloc */
if (__builtin_expect (r_type != R_PARISC_IPLT, 0))
{
if (__builtin_expect (r_type != R_PARISC_NONE, 0))
_dl_reloc_bad_type (l, r_type, 1);
continue;
}
/* Check for the plt_stub that binutils placed here for us
to use with _dl_runtime_resolve */
if (got[-2] != sig.i[0] || got[-1] != sig.i[1])
{
got = NULL; /* Not the stub... keep looking */
}
else
{
/* Found the GOT! */
register Elf32_Addr ltp __asm__ ("%r19");
/* Identify this shared object. */
got[1] = (Elf32_Addr) l;
/* This function will be called to perform the relocation. */
if (__builtin_expect (!profile, 1))
{
/* If a static application called us, then _dl_runtime_resolve is not
a function descriptor, but the *real* address of the function... */
if((unsigned long) &_dl_runtime_resolve & 3)
{
got[-2] = (Elf32_Addr) ((struct fdesc *)
((unsigned long) &_dl_runtime_resolve & ~3))->ip;
}
else
{
/* Static executable! */
got[-2] = (Elf32_Addr) &_dl_runtime_resolve;
}
}
else
{
if (_dl_name_match_p (GLRO(dl_profile), l))
{
/* This is the object we are looking for. Say that
we really want profiling and the timers are
started. */
GL(dl_profile_map) = l;
}
if((unsigned long) &_dl_runtime_resolve & 3)
{
got[-2] = (Elf32_Addr) ((struct fdesc *)
((unsigned long) &_dl_runtime_profile & ~3))->ip;
}
else
{
/* Static executable */
got[-2] = (Elf32_Addr) &_dl_runtime_profile;
}
}
/* Plunk in the gp of this function descriptor so we
can make the call to _dl_runtime_xxxxxx */
got[-1] = ltp;
break;
/* Done looking for the GOT, and stub is setup */
} /* else we found the GOT */
} /* for, walk the relocs backwards */
if(!got)
return 0; /* No lazy linking for you! */
/* Process all the relocs, now that we know the GOT... */
for (iplt = jmprel; iplt < end_jmprel; iplt += sizeof (Elf32_Rela)) for (iplt = jmprel; iplt < end_jmprel; iplt += sizeof (Elf32_Rela))
{ {
const Elf32_Rela *reloc;
Elf32_Word r_type;
Elf32_Word r_sym;
struct hppa_fptr *fptr;
reloc = (const Elf32_Rela *) iplt; reloc = (const Elf32_Rela *) iplt;
r_type = ELF32_R_TYPE (reloc->r_info); r_type = ELF32_R_TYPE (reloc->r_info);
r_sym = ELF32_R_SYM (reloc->r_info); r_sym = ELF32_R_SYM (reloc->r_info);
if (__builtin_expect (r_type == R_PARISC_IPLT, 1)) if (__builtin_expect (r_type == R_PARISC_IPLT, 1))
{ {
fptr = (struct hppa_fptr *) (reloc->r_offset + l_addr); fptr = (struct fdesc *) (reloc->r_offset + l_addr);
if (r_sym != 0) if (r_sym != 0)
{ {
/* Relocate the pointer to the stub. */ /* Relocate the pointer to the stub. */
fptr->func += l_addr; fptr->ip = (Elf32_Addr) got - GOT_FROM_PLT_STUB;
/* Instead of the LTP value, we put the reloc offset /* Instead of the LTP value, we put the reloc offset
here. The trampoline code will load the proper here. The trampoline code will load the proper
LTP and pass the reloc offset to the fixup LTP and pass the reloc offset to the fixup
function. */ function. */
fptr->gp = iplt - jmprel; fptr->gp = iplt - jmprel;
if (!got) } /* r_sym != 0 */
{
static union {
unsigned char c[8];
Elf32_Addr i[2];
} sig = {{0x00,0xc0,0xff,0xee, 0xde,0xad,0xbe,0xef}};
/* Find our .got section. It's right after the
stub. */
got = (Elf32_Addr *) (fptr->func + GOT_FROM_PLT_STUB);
/* Sanity check to see if the address we are
going to check below is within a reasonable
approximation of the bounds of the PLT (or,
at least, is at an address that won't fault
on read). Then check for the magic signature
above. */
if (fptr->func < (Elf32_Addr) fptr + sizeof(*fptr))
return 0;
if (fptr->func >
((Elf32_Addr) fptr
+ SIZEOF_PLT_STUB
+ ((l->l_info[DT_PLTRELSZ]->d_un.d_val / sizeof (Elf32_Rela))
* 8)))
return 0;
if (got[-2] != sig.i[0] || got[-1] != sig.i[1])
return 0; /* No lazy linking for you! */
}
}
else else
{ {
/* Relocate this *ABS* entry. */ /* Relocate this *ABS* entry. */
fptr->func = reloc->r_addend + l_addr; fptr->ip = reloc->r_addend + l_addr;
fptr->gp = D_PTR (l, l_info[DT_PLTGOT]); fptr->gp = D_PTR (l, l_info[DT_PLTGOT]);
} }
} } /* r_type == R_PARISC_IPLT */
else if (__builtin_expect (r_type != R_PARISC_NONE, 0)) } /* for all the relocations */
_dl_reloc_bad_type (l, r_type, 1); } /* if lazy */
} else
{
for (iplt = jmprel; iplt < end_jmprel; iplt += sizeof (Elf32_Rela))
{
reloc = (const Elf32_Rela *) iplt;
r_type = ELF32_R_TYPE (reloc->r_info);
r_sym = ELF32_R_SYM (reloc->r_info);
if (got) if (__builtin_expect ((r_type == R_PARISC_IPLT) && (r_sym == 0), 1))
{ {
register Elf32_Addr ltp __asm__ ("%r19"); fptr = (struct fdesc *) (reloc->r_offset + l_addr);
/* Identify this shared object. */ /* Relocate this *ABS* entry, set only the gp, the rest is set later
got[1] = (Elf32_Addr) l; when elf_machine_rela_relative is called (WITHOUT the linkmap) */
fptr->gp = D_PTR (l, l_info[DT_PLTGOT]);
/* This function will be called to perform the relocation. */ } /* r_type == R_PARISC_IPLT */
if (__builtin_expect (!profile, 1)) } /* for all the relocations */
got[-2] = }
(Elf32_Addr) ((struct hppa_fptr *)
((unsigned long) &_dl_runtime_resolve & ~3))->func;
else
{
if (_dl_name_match_p (GL(dl_profile), l))
{
/* This is the object we are looking for. Say that
we really want profiling and the timers are
started. */
GL(dl_profile_map) = l;
}
got[-2] =
(Elf32_Addr) ((struct hppa_fptr *)
((unsigned long) &_dl_runtime_profile & ~3))->func;
}
got[-1] = ltp;
}
}
return lazy; return lazy;
} }
@ -251,7 +322,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
#define RTLD_START \ #define RTLD_START \
/* Set up dp for any non-PIC lib constructors that may be called. */ \ /* Set up dp for any non-PIC lib constructors that may be called. */ \
static struct link_map * \ static struct link_map * __attribute__((used)) \
set_dp (struct link_map *map) \ set_dp (struct link_map *map) \
{ \ { \
register Elf32_Addr dp asm ("%r27"); \ register Elf32_Addr dp asm ("%r27"); \
@ -272,22 +343,24 @@ asm ( \
" stw %r25,-40(%sp)\n" /* argc */ \ " stw %r25,-40(%sp)\n" /* argc */ \
" stw %r24,-44(%sp)\n" /* argv */ \ " stw %r24,-44(%sp)\n" /* argv */ \
\ \
/* We need the LTP, and we need it now. */ \ /* We need the LTP, and we need it now. \
/* $PIC_pcrel$0 points 8 bytes past the current instruction, \ $PIC_pcrel$0 points 8 bytes past the current instruction, \
just like a branch reloc. This sequence gets us the runtime \ just like a branch reloc. This sequence gets us the \
address of _DYNAMIC. */ \ runtime address of _DYNAMIC. */ \
" bl 0f,%r19\n" \ " bl 0f,%r19\n" \
" depi 0,31,2,%r19\n" /* clear priviledge bits */ \ " depi 0,31,2,%r19\n" /* clear priviledge bits */ \
"0: addil L'_DYNAMIC - ($PIC_pcrel$0 - 8),%r19\n" \ "0: addil L'_DYNAMIC - ($PIC_pcrel$0 - 8),%r19\n" \
" ldo R'_DYNAMIC - ($PIC_pcrel$0 - 12)(%r1),%r26\n" \ " ldo R'_DYNAMIC - ($PIC_pcrel$0 - 12)(%r1),%r26\n" \
\ \
/* Also get the link time address from the first entry of the GOT. */ \ /* The link time address is stored in the first entry of the \
GOT. */ \
" addil L'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 16),%r19\n" \ " addil L'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 16),%r19\n" \
" ldw R'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 20)(%r1),%r20\n" \ " ldw R'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 20)(%r1),%r20\n" \
\ \
" sub %r26,%r20,%r20\n" /* Calculate load offset */ \ " sub %r26,%r20,%r20\n" /* Calculate load offset */ \
\ \
/* Rummage through the dynamic entries, looking for DT_PLTGOT. */ \ /* Rummage through the dynamic entries, looking for \
DT_PLTGOT. */ \
" ldw,ma 8(%r26),%r19\n" \ " ldw,ma 8(%r26),%r19\n" \
"1: cmpib,=,n 3,%r19,2f\n" /* tag == DT_PLTGOT? */ \ "1: cmpib,=,n 3,%r19,2f\n" /* tag == DT_PLTGOT? */ \
" cmpib,<>,n 0,%r19,1b\n" \ " cmpib,<>,n 0,%r19,1b\n" \
@ -307,8 +380,8 @@ asm ( \
| 32 bytes of magic | \ | 32 bytes of magic | \
|---------------------------------| \ |---------------------------------| \
| 32 bytes argument/sp save area | \ | 32 bytes argument/sp save area | \
|---------------------------------| ((current->mm->env_end) + 63 & ~63) \ |---------------------------------| ((current->mm->env_end) \
| N bytes of slack | \ | N bytes of slack | + 63 & ~63) \
|---------------------------------| \ |---------------------------------| \
| envvar and arg strings | \ | envvar and arg strings | \
|---------------------------------| \ |---------------------------------| \
@ -354,7 +427,7 @@ asm ( \
" ldw 0(%r20),%r20\n" \ " ldw 0(%r20),%r20\n" \
\ \
" ldw -40(%sp),%r25\n" /* argc */ \ " ldw -40(%sp),%r25\n" /* argc */ \
" comib,= 0,%r20,.Lnofix\n" /* FIXME: will be mispredicted */ \ " comib,= 0,%r20,.Lnofix\n" /* FIXME: Mispredicted branch */\
" ldw -44(%sp),%r24\n" /* argv (delay slot) */ \ " ldw -44(%sp),%r24\n" /* argv (delay slot) */ \
\ \
" sub %r25,%r20,%r25\n" \ " sub %r25,%r20,%r25\n" \
@ -376,7 +449,7 @@ asm ( \
" bl _dl_init_internal,%r2\n" \ " bl _dl_init_internal,%r2\n" \
" ldo 4(%r23),%r23\n" /* delay slot */ \ " ldo 4(%r23),%r23\n" /* delay slot */ \
\ \
/* Reload argc, argv to the registers start.S expects them in (feh) */ \ /* Reload argc, argv to the registers start.S expects. */ \
" ldw -40(%sp),%r25\n" \ " ldw -40(%sp),%r25\n" \
" ldw -44(%sp),%r24\n" \ " ldw -44(%sp),%r24\n" \
\ \
@ -388,8 +461,8 @@ asm ( \
" .word 0xdeadbeef\n" \ " .word 0xdeadbeef\n" \
" .previous\n" \ " .previous\n" \
\ \
/* %r3 contains a function pointer, we need to mask out the lower \ /* %r3 contains a function pointer, we need to mask out the \
* bits and load the gp and jump address. */ \ lower bits and load the gp and jump address. */ \
" depi 0,31,2,%r3\n" \ " depi 0,31,2,%r3\n" \
" ldw 0(%r3),%r2\n" \ " ldw 0(%r3),%r2\n" \
" addil LT'__dl_fini_plabel,%r19\n" \ " addil LT'__dl_fini_plabel,%r19\n" \
@ -404,46 +477,57 @@ asm ( \
/* This code gets called via the .plt stub, and is used in /* This code gets called via the .plt stub, and is used in
dl-runtime.c to call the `fixup' function and then redirect to the dl-runtime.c to call the `fixup' function and then redirect to the
address it returns. address it returns.
WARNING: This template is also used by gcc's __cffc, and expects
that the "bl" for fixup() exist at a particular offset.
Do not change this template without changing gcc, while the prefix
"bl" should fix everything so gcc finds the right spot, it will
slow down __cffc when it attempts to call fixup to resolve function
descriptor references. Please refer to gcc/gcc/config/pa/fptr.c
Enter with r19 = reloc offset, r20 = got-8, r21 = fixup ltp. */ Enter with r19 = reloc offset, r20 = got-8, r21 = fixup ltp. */
#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \ #define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \
extern void tramp_name (void); \ extern void tramp_name (void); \
asm ( "\ asm ( \
/* Trampoline for " #tramp_name " */ \n\ " .text\n" \
.globl " #tramp_name " \n\ /* FAKE bl to provide gcc's __cffc with fixup's address */ \
.type " #tramp_name ",@function \n\ " bl " #fixup_name ",%r2\n" /* Runtime address of fixup */ \
" #tramp_name ": \n\ " .globl " #tramp_name "\n" \
/* Save return pointer */ \n\ " .type " #tramp_name ",@function\n" \
stw %r2,-20(%sp) \n\ #tramp_name ":\n" \
/* Save argument registers in the call stack frame. */ \n\ /* Save return pointer */ \
stw %r26,-36(%sp) \n\ " stw %r2,-20(%sp)\n" \
stw %r25,-40(%sp) \n\ /* Save argument registers in the call stack frame. */ \
stw %r24,-44(%sp) \n\ " stw %r26,-36(%sp)\n" \
stw %r23,-48(%sp) \n\ " stw %r25,-40(%sp)\n" \
/* Build a call frame. */ \n\ " stw %r24,-44(%sp)\n" \
stwm %sp,64(%sp) \n\ " stw %r23,-48(%sp)\n" \
\n\ /* Build a call frame, and save structure pointer. */ \
/* Set up args to fixup func. */ \n\ " stwm %r28,64(%sp)\n" \
ldw 8+4(%r20),%r26 /* got[1] == struct link_map * */ \n\ \
copy %r19,%r25 /* reloc offset */ \n\ /* Set up args to fixup func. */ \
\n\ " ldw 8+4(%r20),%r26\n" /* (1) got[1] == struct link_map */ \
/* Call the real address resolver. */ \n\ " copy %r19,%r25\n" /* (2) reloc offset */ \
bl " #fixup_name ",%r2 \n\ " copy %r2,%r24\n" /* (3) profile_fixup needs rp */ \
copy %r21,%r19 /* delay slot, set fixup func ltp */ \n\ \
\n\ /* Call the real address resolver. */ \
ldwm -64(%sp),%sp \n\ " bl " #fixup_name ",%r2\n" \
/* Arguments. */ \n\ " copy %r21,%r19\n" /* set fixup func ltp (DELAY SLOT)*/ \
ldw -36(%sp),%r26 \n\ \
ldw -40(%sp),%r25 \n\ " ldw 0(%r28),%r22\n" /* load up the returned func ptr */ \
ldw -44(%sp),%r24 \n\ " ldw 4(%r28),%r19\n" \
ldw -48(%sp),%r23 \n\ " ldwm -64(%sp),%r28\n" \
/* Return pointer. */ \n\ /* Arguments. */ \
ldw -20(%sp),%r2 \n\ " ldw -36(%sp),%r26\n" \
/* Call the real function. */ \n\ " ldw -40(%sp),%r25\n" \
ldw 0(%r28),%r22 \n\ " ldw -44(%sp),%r24\n" \
bv %r0(%r22) \n\ " ldw -48(%sp),%r23\n" \
ldw 4(%r28),%r19 \n\ /* Call the real function. */ \
"); " bv %r0(%r22)\n" \
/* Return pointer. */ \
" ldw -20(%sp),%r2\n" \
);
#ifndef PROF #ifndef PROF
#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ #define ELF_MACHINE_RUNTIME_TRAMPOLINE \
TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup); \ TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup); \
@ -454,7 +538,6 @@ asm ( \
strong_alias (_dl_runtime_resolve, _dl_runtime_profile); strong_alias (_dl_runtime_resolve, _dl_runtime_profile);
#endif #endif
/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so /* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so
PLT entries should not be allowed to define the value. PLT entries should not be allowed to define the value.
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
@ -464,22 +547,35 @@ asm ( \
* ELF_RTYPE_CLASS_PLT) \ * ELF_RTYPE_CLASS_PLT) \
| (((type) == R_PARISC_COPY) * ELF_RTYPE_CLASS_COPY)) | (((type) == R_PARISC_COPY) * ELF_RTYPE_CLASS_COPY))
/* Used by ld.so for ... something ... */ /* Used by the runtime in fixup to figure out if reloc is *really* PLT */
#define ELF_MACHINE_JMP_SLOT R_PARISC_IPLT #define ELF_MACHINE_JMP_SLOT R_PARISC_IPLT
#define ELF_MACHINE_SIZEOF_JMP_SLOT PLT_ENTRY_SIZE
/* We only use RELA. */ /* We only use RELA. */
#define ELF_MACHINE_NO_REL 1 #define ELF_MACHINE_NO_REL 1
/* Return the address of the entry point. */ /* Return the address of the entry point. */
#define ELF_MACHINE_START_ADDRESS(map, start) \ #define ELF_MACHINE_START_ADDRESS(map, start) \
DL_FUNCTION_ADDRESS (map, start) DL_STATIC_FUNCTION_ADDRESS (map, start)
/* We define an initialization functions. This is called very early in
* _dl_sysdep_start. */
#define DL_PLATFORM_INIT dl_platform_init ()
static inline void __attribute__ ((unused))
dl_platform_init (void)
{
if (GLRO(dl_platform) != NULL && *GLRO(dl_platform) == '\0')
/* Avoid an empty string which would disturb us. */
GLRO(dl_platform) = NULL;
}
#endif /* !dl_machine_h */ #endif /* !dl_machine_h */
/* These are only actually used where RESOLVE_MAP is defined, anyway. */ /* These are only actually used where RESOLVE_MAP is defined, anyway. */
#ifdef RESOLVE_MAP #ifdef RESOLVE_MAP
static inline void auto void __attribute__((always_inline))
elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
const Elf32_Sym *sym, const struct r_found_version *version, const Elf32_Sym *sym, const struct r_found_version *version,
void *const reloc_addr_arg) void *const reloc_addr_arg)
@ -490,14 +586,14 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
struct link_map *sym_map; struct link_map *sym_map;
Elf32_Addr value; Elf32_Addr value;
#if !defined RTLD_BOOTSTRAP && !defined SHARED # if !defined RTLD_BOOTSTRAP && !defined SHARED
/* This is defined in rtld.c, but nowhere in the static libc.a; make the /* This is defined in rtld.c, but nowhere in the static libc.a; make the
reference weak so static programs can still link. This declaration reference weak so static programs can still link. This declaration
cannot be done when compiling rtld.c (i.e. #ifdef RTLD_BOOTSTRAP) cannot be done when compiling rtld.c (i.e. #ifdef RTLD_BOOTSTRAP)
because rtld.c contains the common defn for _dl_rtld_map, which is because rtld.c contains the common defn for _dl_rtld_map, which is
incompatible with a weak decl in the same file. */ incompatible with a weak decl in the same file. */
weak_extern (GL(dl_rtld_map)); weak_extern (GL(dl_rtld_map));
#endif # endif
/* RESOLVE_MAP will return a null value for undefined syms, and /* RESOLVE_MAP will return a null value for undefined syms, and
non-null for all other syms. In particular, relocs with no non-null for all other syms. In particular, relocs with no
@ -505,13 +601,13 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
resolved to MAP. (The first entry in a symbol table is all resolved to MAP. (The first entry in a symbol table is all
zeros, and an all zero Elf32_Sym has a binding of STB_LOCAL.) zeros, and an all zero Elf32_Sym has a binding of STB_LOCAL.)
See RESOLVE_MAP definition in elf/dl-reloc.c */ See RESOLVE_MAP definition in elf/dl-reloc.c */
#ifdef RTLD_BOOTSTRAP # ifdef RTLD_BOOTSTRAP
/* RESOLVE_MAP in rtld.c doesn't have the local sym test. */ /* RESOLVE_MAP in rtld.c doesn't have the local sym test. */
sym_map = (ELF32_ST_BIND (sym->st_info) != STB_LOCAL sym_map = (ELF32_ST_BIND (sym->st_info) != STB_LOCAL
? RESOLVE_MAP (&sym, version, r_type) : map); ? RESOLVE_MAP (&sym, version, r_type) : map);
#else # else
sym_map = RESOLVE_MAP (&sym, version, r_type); sym_map = RESOLVE_MAP (&sym, version, r_type);
#endif # endif
if (sym_map) if (sym_map)
{ {
value = sym ? sym_map->l_addr + sym->st_value : 0; value = sym ? sym_map->l_addr + sym->st_value : 0;
@ -523,15 +619,6 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
switch (r_type) switch (r_type)
{ {
case R_PARISC_DIR32: case R_PARISC_DIR32:
#ifndef RTLD_BOOTSTRAP
/* All hell breaks loose if we try to relocate these twice,
because any initialized variables in ld.so that refer to
other ones will have their values reset. In particular,
__fptr_next will be reset, sometimes causing endless loops in
__hppa_make_fptr(). So don't do that. */
if (map == &GL(dl_rtld_map))
return;
#endif
/* .eh_frame can have unaligned relocs. */ /* .eh_frame can have unaligned relocs. */
if ((unsigned long) reloc_addr_arg & 3) if ((unsigned long) reloc_addr_arg & 3)
{ {
@ -552,51 +639,26 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
if (sym == NULL if (sym == NULL
|| sym_map == NULL || sym_map == NULL
|| ELF32_ST_BIND (sym->st_info) == STB_LOCAL) || ELF32_ST_BIND (sym->st_info) == STB_LOCAL)
break; {
break;
/* Okay, we need to make ourselves a PLABEL then. See the IA64 }
code for an explanation of how this works. */ /* Set bit 30 to indicate to $$dyncall that this is a PLABEL.
#ifndef RTLD_BOOTSTRAP We have to do this outside of the generic function descriptor
value = __hppa_make_fptr (sym_map, value, &__fptr_root, NULL); code, since it doesn't know about our requirement for setting
#else protection bits */
{ value = (Elf32_Addr)((unsigned int)_dl_make_fptr (sym_map, sym, value) | 2);
struct hppa_fptr *p_boot_ldso_fptr;
struct hppa_fptr **p_fptr_root;
int *p_fptr_count;
unsigned long dot;
/* Go from the top of __boot_ldso_fptr. As on IA64, we
probably haven't relocated the necessary values by this
point so we have to find them ourselves. */
asm ("bl 0f,%0 \n\
depi 0,31,2,%0 \n\
0: addil L'__boot_ldso_fptr - ($PIC_pcrel$0 - 8),%0 \n\
ldo R'__boot_ldso_fptr - ($PIC_pcrel$0 - 12)(%%r1),%1 \n\
addil L'__fptr_root - ($PIC_pcrel$0 - 16),%0 \n\
ldo R'__fptr_root - ($PIC_pcrel$0 - 20)(%%r1),%2 \n\
addil L'__fptr_count - ($PIC_pcrel$0 - 24),%0 \n\
ldo R'__fptr_count - ($PIC_pcrel$0 - 28)(%%r1),%3"
:
"=r" (dot),
"=r" (p_boot_ldso_fptr),
"=r" (p_fptr_root),
"=r" (p_fptr_count));
value = __hppa_make_fptr (sym_map, value, p_fptr_root,
&p_boot_ldso_fptr[--*p_fptr_count]);
}
#endif
break; break;
case R_PARISC_IPLT: case R_PARISC_IPLT:
if (__builtin_expect (sym_map != NULL, 1)) if (__builtin_expect (sym_map != NULL, 1))
elf_machine_fixup_plt (NULL, sym_map, reloc, reloc_addr, value); {
else elf_machine_fixup_plt (NULL, sym_map, reloc, reloc_addr, value);
{ }
else
{
/* If we get here, it's a (weak) undefined sym. */ /* If we get here, it's a (weak) undefined sym. */
elf_machine_fixup_plt (NULL, map, reloc, reloc_addr, value); elf_machine_fixup_plt (NULL, map, reloc, reloc_addr, value);
} }
return; return;
case R_PARISC_COPY: case R_PARISC_COPY:
@ -606,20 +668,20 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
break; break;
if (__builtin_expect (sym->st_size > refsym->st_size, 0) if (__builtin_expect (sym->st_size > refsym->st_size, 0)
|| (__builtin_expect (sym->st_size < refsym->st_size, 0) || (__builtin_expect (sym->st_size < refsym->st_size, 0)
&& __builtin_expect (GL(dl_verbose), 0))) && __builtin_expect (GLRO(dl_verbose), 0)))
{ {
const char *strtab; const char *strtab;
strtab = (const char *) D_PTR (map, l_info[DT_STRTAB]); strtab = (const char *) D_PTR (map, l_info[DT_STRTAB]);
_dl_error_printf ("\ _dl_error_printf ("%s: Symbol `%s' has different size in shared object, "
%s: Symbol `%s' has different size in shared object, consider re-linking\n", "consider re-linking\n",
rtld_progname ?: "<program name unknown>", rtld_progname ?: "<program name unknown>",
strtab + refsym->st_name); strtab + refsym->st_name);
} }
memcpy (reloc_addr_arg, (void *) value, memcpy (reloc_addr_arg, (void *) value,
MIN (sym->st_size, refsym->st_size)); MIN (sym->st_size, refsym->st_size));
return; return;
case R_PARISC_NONE: /* Alright, Wilbur. */ case R_PARISC_NONE: /* Alright, Wilbur. */
return; return;
@ -630,25 +692,27 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
*reloc_addr = value; *reloc_addr = value;
} }
#define DO_ELF_MACHINE_REL_RELATIVE(map, l_addr, relative) \
elf_machine_rel_relative (map, l_addr, relative, \
(void *) (l_addr + relative->r_offset))
/* hppa doesn't have an R_PARISC_RELATIVE reloc, but uses relocs with /* hppa doesn't have an R_PARISC_RELATIVE reloc, but uses relocs with
ELF32_R_SYM (info) == 0 for a similar purpose. */ ELF32_R_SYM (info) == 0 for a similar purpose. */
static inline void auto void __attribute__((always_inline))
elf_machine_rela_relative (struct link_map *map, Elf32_Addr l_addr, elf_machine_rela_relative (Elf32_Addr l_addr,
const Elf32_Rela *reloc, const Elf32_Rela *reloc,
void *const reloc_addr_arg) void *const reloc_addr_arg)
{ {
Elf32_Addr *const reloc_addr = reloc_addr_arg;
unsigned long const r_type = ELF32_R_TYPE (reloc->r_info); unsigned long const r_type = ELF32_R_TYPE (reloc->r_info);
Elf32_Addr *const reloc_addr = reloc_addr_arg;
static char msgbuf[] = { "Unknown" };
struct link_map map;
Elf32_Addr value; Elf32_Addr value;
value = l_addr + reloc->r_addend; value = l_addr + reloc->r_addend;
if (ELF32_R_SYM (reloc->r_info) != 0) if (ELF32_R_SYM (reloc->r_info) != 0){
asm volatile ("iitlbp %r0,(%r0)"); /* Crash. */ _dl_error_printf ("%s: In elf_machine_rela_relative "
"ELF32_R_SYM (reloc->r_info) != 0. Aborting.",
rtld_progname ?: "<program name unknown>");
ABORT_INSTRUCTION; /* Crash. */
}
switch (r_type) switch (r_type)
{ {
@ -668,21 +732,22 @@ elf_machine_rela_relative (struct link_map *map, Elf32_Addr l_addr,
case R_PARISC_PLABEL32: case R_PARISC_PLABEL32:
break; break;
case R_PARISC_IPLT: case R_PARISC_IPLT: /* elf_machine_runtime_setup already set gp */
elf_machine_fixup_plt (NULL, map, reloc, reloc_addr, value); break;
return;
case R_PARISC_NONE: case R_PARISC_NONE:
return; return;
default: default: /* Bad reloc, map unknown (really it's the current map) */
_dl_reloc_bad_type (map, r_type, 0); map.l_name = msgbuf;
_dl_reloc_bad_type (&map, r_type, 0);
return;
} }
*reloc_addr = value; *reloc_addr = value;
} }
static inline void auto void __attribute__((always_inline))
elf_machine_lazy_rel (struct link_map *map, elf_machine_lazy_rel (struct link_map *map,
Elf32_Addr l_addr, const Elf32_Rela *reloc) Elf32_Addr l_addr, const Elf32_Rela *reloc)
{ {

View File

@ -27,11 +27,10 @@ feupdateenv (const fenv_t *envp)
/* Get the current exception status. */ /* Get the current exception status. */
__asm__ ("fstd %%fr0,0(%1)" : "=m" (*sw) : "r" (sw)); __asm__ ("fstd %%fr0,0(%1)" : "=m" (*sw) : "r" (sw));
sw[0] &= FE_ALL_EXCEPT;
envp->__status_word = envp->__status_word | sw[0];
/* Install new environment. */ /* Install new environment. */
fesetenv (envp); fesetenv (envp);
/* Raise the saved exceptions */
feraiseexcept(sw[0] & FE_ALL_EXCEPT);
/* Success. */ /* Success. */
return 0; return 0;