aboutsummaryrefslogtreecommitdiff
path: root/sysdeps
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/alpha/dl-machine.h21
-rw-r--r--sysdeps/arm/dl-machine.h28
-rw-r--r--sysdeps/cris/dl-machine.h41
-rw-r--r--sysdeps/hppa/dl-machine.h7
-rw-r--r--sysdeps/i386/dl-machine.h29
-rw-r--r--sysdeps/ia64/dl-machine.h15
-rw-r--r--sysdeps/m68k/dl-machine.h17
-rw-r--r--sysdeps/mips/dl-machine.h15
-rw-r--r--sysdeps/powerpc/dl-machine.h8
-rw-r--r--sysdeps/s390/s390-32/dl-machine.h30
-rw-r--r--sysdeps/s390/s390-64/dl-machine.h58
-rw-r--r--sysdeps/sh/dl-machine.h23
-rw-r--r--sysdeps/sparc/sparc32/dl-machine.h17
-rw-r--r--sysdeps/sparc/sparc64/dl-machine.h37
14 files changed, 236 insertions, 110 deletions
diff --git a/sysdeps/alpha/dl-machine.h b/sysdeps/alpha/dl-machine.h
index 1634e96..e16f046 100644
--- a/sysdeps/alpha/dl-machine.h
+++ b/sysdeps/alpha/dl-machine.h
@@ -480,7 +480,7 @@ elf_machine_rela (struct link_map *map,
/* We cannot use a switch here because we cannot locate the switch
jump table until we've self-relocated. */
- if (r_type == R_ALPHA_RELATIVE)
+ if (__builtin_expect (r_type == R_ALPHA_RELATIVE, 0))
{
#ifndef RTLD_BOOTSTRAP
/* Already done in dynamic linker. */
@@ -501,7 +501,7 @@ elf_machine_rela (struct link_map *map,
}
}
#ifndef RTLD_BOOTSTRAP
- else if (r_type == R_ALPHA_NONE)
+ else if (__builtin_expect (r_type == R_ALPHA_NONE, 0))
return;
#endif
else
@@ -548,6 +548,23 @@ elf_machine_rela (struct link_map *map,
}
static inline void
+elf_machine_rel_relative (Elf64_Addr l_addr, const Elf64_Rel *reloc,
+ Elf64_Addr *const reloc_addr)
+{
+ /* XXX Make some timings. Maybe it's preverable to test for
+ unaligned access and only do it the complex way if necessary. */
+ void *reloc_addr_1 = reloc_addr;
+ Elf64_Addr reloc_addr_val;
+
+ /* Load value without causing unaligned trap. */
+ memcpy (&reloc_addr_val, reloc_addr_1, 8);
+ reloc_addr_val += l_addr;
+
+ /* Store value without causing unaligned trap. */
+ memcpy (reloc_addr_1, &reloc_addr_val, 8);
+}
+
+static inline void
elf_machine_lazy_rel (struct link_map *map,
Elf64_Addr l_addr, const Elf64_Rela *reloc)
{
diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h
index 24fe366..7dfed99 100644
--- a/sysdeps/arm/dl-machine.h
+++ b/sysdeps/arm/dl-machine.h
@@ -412,21 +412,27 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
const Elf32_Sym *sym, const struct r_found_version *version,
Elf32_Addr *const reloc_addr)
{
- if (ELF32_R_TYPE (reloc->r_info) == R_ARM_RELATIVE)
+ const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
+
+ if (__builtin_expect (r_type == R_ARM_RELATIVE, 0))
{
#ifndef RTLD_BOOTSTRAP
if (map != &_dl_rtld_map) /* Already done in rtld itself. */
#endif
*reloc_addr += map->l_addr;
}
- else if (ELF32_R_TYPE (reloc->r_info) != R_ARM_NONE)
+#ifndef RTLD_BOOTSTRAP
+ else if (__builtin_expect (r_type == R_ARM_NONE, 0))
+ return;
+#endif
+ else
{
const Elf32_Sym *const refsym = sym;
- Elf32_Addr value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
+ Elf32_Addr value = RESOLVE (&sym, version, reloc->r_type);
if (sym)
value += sym->st_value;
- switch (ELF32_R_TYPE (reloc->r_info))
+ switch (r_type)
{
case R_ARM_COPY:
if (sym == NULL)
@@ -505,22 +511,30 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
}
break;
default:
- _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 0);
+ _dl_reloc_bad_type (map, r_type, 0);
break;
}
}
}
static inline void
+elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
+ Elf32_Addr *const reloc_addr)
+{
+ *reloc_addr += l_addr;
+}
+
+static inline void
elf_machine_lazy_rel (struct link_map *map,
Elf32_Addr l_addr, const Elf32_Rel *reloc)
{
Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
+ const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
/* Check for unexpected PLT reloc type. */
- if (ELF32_R_TYPE (reloc->r_info) == R_ARM_JUMP_SLOT)
+ if (__builtin_expect (r_type == R_ARM_JUMP_SLOT, 1))
*reloc_addr += l_addr;
else
- _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 1);
+ _dl_reloc_bad_type (map, r_type, 1);
}
#endif /* RESOLVE */
diff --git a/sysdeps/cris/dl-machine.h b/sysdeps/cris/dl-machine.h
index c6d2558..0813f70 100644
--- a/sysdeps/cris/dl-machine.h
+++ b/sysdeps/cris/dl-machine.h
@@ -284,40 +284,28 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
const Elf32_Sym *sym, const struct r_found_version *version,
Elf32_Addr *const reloc_addr)
{
-#ifndef RTLD_BOOTSTRAP
- /* 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
- 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
- incompatible with a weak decl in the same file. */
- weak_extern (_dl_rtld_map);
-#endif
+ const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
- if (ELF32_R_TYPE (reloc->r_info) == R_CRIS_RELATIVE)
- {
-#ifndef RTLD_BOOTSTRAP
- if (map != &_dl_rtld_map) /* Already done in rtld itself. */
-#endif
- *reloc_addr = map->l_addr + reloc->r_addend;
- }
+ if (__builtin_expect (r_type == R_CRIS_RELATIVE, 0))
+ *reloc_addr = map->l_addr + reloc->r_addend;
else
{
#ifndef RTLD_BOOTSTRAP
const Elf32_Sym *const refsym = sym;
#endif
Elf32_Addr value;
- if (sym->st_shndx != SHN_UNDEF &&
- ELF32_ST_BIND (sym->st_info) == STB_LOCAL)
+ if (sym->st_shndx != SHN_UNDEF
+ && ELF32_ST_BIND (sym->st_info) == STB_LOCAL)
value = map->l_addr;
else
{
- value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
+ value = RESOLVE (&sym, version, r_type);
if (sym)
value += sym->st_value;
}
value += reloc->r_addend; /* Assume copy relocs have zero addend. */
- switch (ELF32_R_TYPE (reloc->r_info))
+ switch (r_type)
{
#ifndef RTLD_BOOTSTRAP
case R_CRIS_COPY:
@@ -370,7 +358,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
break;
#if !defined RTLD_BOOTSTRAP || defined _NDEBUG
default:
- _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 0);
+ _dl_reloc_bad_type (map, r_type, 0);
break;
#endif
}
@@ -378,15 +366,22 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
}
static inline void
+elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
+ Elf32_Addr *const reloc_addr)
+{
+ *reloc_addr = l_addr + reloc->r_addend;
+}
+
+static inline void
elf_machine_lazy_rel (struct link_map *map,
Elf32_Addr l_addr, const Elf32_Rela *reloc)
{
Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
- if (__builtin_expect (ELF32_R_TYPE (reloc->r_info), R_CRIS_JUMP_SLOT)
- == R_CRIS_JUMP_SLOT)
+ const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
+ if (__builtin_expect (r_type == R_CRIS_JUMP_SLOT, 1))
*reloc_addr += l_addr;
else
- _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 1);
+ _dl_reloc_bad_type (map, r_type, 1);
}
#endif /* RESOLVE */
diff --git a/sysdeps/hppa/dl-machine.h b/sysdeps/hppa/dl-machine.h
index e8e2ab2..bc37986 100644
--- a/sysdeps/hppa/dl-machine.h
+++ b/sysdeps/hppa/dl-machine.h
@@ -629,6 +629,13 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
}
static inline void
+elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
+ Elf32_Addr *const reloc_addr)
+{
+ /* XXX Nothing to do. There is no relative relocation, right? */
+}
+
+static inline void
elf_machine_lazy_rel (struct link_map *map,
Elf32_Addr l_addr, const Elf32_Rela *reloc)
{
diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
index bd6b57a..99576ae 100644
--- a/sysdeps/i386/dl-machine.h
+++ b/sysdeps/i386/dl-machine.h
@@ -303,7 +303,9 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
const Elf32_Sym *sym, const struct r_found_version *version,
Elf32_Addr *const reloc_addr)
{
- if (ELF32_R_TYPE (reloc->r_info) == R_386_RELATIVE)
+ const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
+
+ if (__builtin_expect (r_type == R_386_RELATIVE, 0))
{
#ifndef RTLD_BOOTSTRAP
/* This is defined in rtld.c, but nowhere in the static libc.a;
@@ -317,16 +319,20 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
#endif
*reloc_addr += map->l_addr;
}
- else if (ELF32_R_TYPE (reloc->r_info) != R_386_NONE)
+#ifndef RTLD_BOOTSTRAP
+ else if (__builtin_expect (r_type == R_386_NONE, 1))
+ return;
+#endif
+ else
{
#ifndef RTLD_BOOTSTRAP
const Elf32_Sym *const refsym = sym;
#endif
- Elf32_Addr value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
+ Elf32_Addr value = RESOLVE (&sym, version, r_type);
if (sym)
value += sym->st_value;
- switch (ELF32_R_TYPE (reloc->r_info))
+ switch (r_type)
{
case R_386_GLOB_DAT:
case R_386_JMP_SLOT:
@@ -364,7 +370,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
default:
/* We add these checks in the version to relocate ld.so only
if we are still debugging. */
- _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 0);
+ _dl_reloc_bad_type (map, r_type, 0);
break;
#endif
}
@@ -372,16 +378,23 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
}
static inline void
+elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
+ Elf32_Addr *const reloc_addr)
+{
+ *reloc_addr += l_addr;
+}
+
+static inline void
elf_machine_lazy_rel (struct link_map *map,
Elf32_Addr l_addr, const Elf32_Rel *reloc)
{
Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
+ const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
/* Check for unexpected PLT reloc type. */
- if (__builtin_expect (ELF32_R_TYPE (reloc->r_info), R_386_JMP_SLOT)
- == R_386_JMP_SLOT)
+ if (__builtin_expect (r_type == R_386_JMP_SLOT, 1))
*reloc_addr += l_addr;
else
- _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 1);
+ _dl_reloc_bad_type (map, r_type, 1);
}
#endif /* RESOLVE */
diff --git a/sysdeps/ia64/dl-machine.h b/sysdeps/ia64/dl-machine.h
index a2192a1..8123515 100644
--- a/sysdeps/ia64/dl-machine.h
+++ b/sysdeps/ia64/dl-machine.h
@@ -520,8 +520,10 @@ elf_machine_rela (struct link_map *map,
/* We cannot use a switch here because we cannot locate the switch
jump table until we've self-relocated. */
- if (R_IA64_TYPE (r_type) == R_IA64_TYPE (R_IA64_REL64LSB))
+ if (__builtin_expect (R_IA64_TYPE (r_type) == R_IA64_TYPE (R_IA64_REL64LSB),
+ 0))
{
+ assert (ELF64_R_TYPE (reloc->r_info) == R_IA64_REL64LSB);
value = *reloc_addr;
#ifndef RTLD_BOOTSTRAP
/* Already done in dynamic linker. */
@@ -529,8 +531,10 @@ elf_machine_rela (struct link_map *map,
#endif
value += map->l_addr;
}
+#ifndef RTLD_BOOTSTRAP
else if (r_type == R_IA64_NONE)
return;
+#endif
else
{
struct link_map *sym_map;
@@ -575,6 +579,15 @@ elf_machine_rela (struct link_map *map,
assert (! "unexpected dynamic reloc format");
}
+static inline void
+elf_machine_rel_relative (Elf64_Addr l_addr, const Elf64_Rel *reloc,
+ Elf64_Addr *const reloc_addr)
+{
+ /* ??? Ignore MSB and Instruction format for now. */
+ assert (ELF64_R_TYPE (reloc->r_info) == R_IA64_REL64LSB);
+
+ *reloc_addr += l_addr;
+}
/* Perform a RELATIVE reloc on the .got entry that transfers to the .plt. */
static inline void
diff --git a/sysdeps/m68k/dl-machine.h b/sysdeps/m68k/dl-machine.h
index c4849b0..e3a5a24 100644
--- a/sysdeps/m68k/dl-machine.h
+++ b/sysdeps/m68k/dl-machine.h
@@ -232,16 +232,18 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
const Elf32_Sym *sym, const struct r_found_version *version,
Elf32_Addr *const reloc_addr)
{
- if (ELF32_R_TYPE (reloc->r_info) == R_68K_RELATIVE)
+ const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
+
+ if (__builtin_expect (r_type == R_68K_RELATIVE, 0))
*reloc_addr = map->l_addr + reloc->r_addend;
else
{
const Elf32_Sym *const refsym = sym;
- Elf32_Addr value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
+ Elf32_Addr value = RESOLVE (&sym, version, r_type);
if (sym)
value += sym->st_value;
- switch (ELF32_R_TYPE (reloc->r_info))
+ switch (r_type)
{
case R_68K_COPY:
if (sym == NULL)
@@ -290,13 +292,20 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
case R_68K_NONE: /* Alright, Wilbur. */
break;
default:
- _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 0);
+ _dl_reloc_bad_type (map, r_type, 0);
break;
}
}
}
static inline void
+elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
+ Elf32_Addr *const reloc_addr)
+{
+ *reloc_addr = l_addr + reloc->r_addend;
+}
+
+static inline void
elf_machine_lazy_rel (struct link_map *map,
Elf32_Addr l_addr, const Elf32_Rela *reloc)
{
diff --git a/sysdeps/mips/dl-machine.h b/sysdeps/mips/dl-machine.h
index 87d7cbb..340cd17 100644
--- a/sysdeps/mips/dl-machine.h
+++ b/sysdeps/mips/dl-machine.h
@@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. MIPS version.
- Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Kazumoto Kojima <kkojima@info.kanagawa-u.ac.jp>.
@@ -477,6 +477,8 @@ elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc,
const ElfW(Sym) *sym, const struct r_found_version *version,
ElfW(Addr) *const reloc_addr)
{
+ const unsigned long int r_type = ELFW(R_TYPE) (reloc->r_info);
+
#ifndef RTLD_BOOTSTRAP
/* This is defined in rtld.c, but nowhere in the static libc.a;
make the reference weak so static programs can still link. This
@@ -487,7 +489,7 @@ elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc,
weak_extern (_dl_rtld_map);
#endif
- switch (ELFW(R_TYPE) (reloc->r_info))
+ switch (r_type)
{
case R_MIPS_REL32:
{
@@ -528,12 +530,19 @@ elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc,
case R_MIPS_NONE: /* Alright, Wilbur. */
break;
default:
- _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 0);
+ _dl_reloc_bad_type (map, r_type, 0);
break;
}
}
static inline void
+elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
+ Elf32_Addr *const reloc_addr)
+{
+ /* XXX Nothing to do. There is no relative relocation, right? */
+}
+
+static inline void
elf_machine_lazy_rel (struct link_map *map,
ElfW(Addr) l_addr, const ElfW(Rel) *reloc)
{
diff --git a/sysdeps/powerpc/dl-machine.h b/sysdeps/powerpc/dl-machine.h
index 5ea6c46..f528dcb 100644
--- a/sysdeps/powerpc/dl-machine.h
+++ b/sysdeps/powerpc/dl-machine.h
@@ -347,7 +347,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
Elf32_Word loadbase, finaladdr;
const int rinfo = ELF32_R_TYPE (reloc->r_info);
- if (rinfo == R_PPC_NONE)
+ if (__builtin_expect (rinfo == R_PPC_NONE, 0))
return;
/* The condition on the next two lines is a hack around a bug in Solaris
@@ -393,6 +393,12 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
reloc_addr, finaladdr, rinfo);
}
+static inline void
+elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
+ Elf32_Addr *const reloc_addr)
+{
+ *reloc_addr = l_addr + reloc->r_addend;
+}
/* The SVR4 ABI specifies that the JMPREL relocs must be inside the
DT_RELA table. */
diff --git a/sysdeps/s390/s390-32/dl-machine.h b/sysdeps/s390/s390-32/dl-machine.h
index 4f89524..7b9cb89 100644
--- a/sysdeps/s390/s390-32/dl-machine.h
+++ b/sysdeps/s390/s390-32/dl-machine.h
@@ -364,20 +364,22 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
const Elf32_Sym *sym, const struct r_found_version *version,
Elf32_Addr *const reloc_addr)
{
- if (ELF32_R_TYPE (reloc->r_info) == R_390_RELATIVE) {
+ const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
+
+ if (__builtin_expect (r_type == R_390_RELATIVE, 0))
+ *reloc_addr = map->l_addr + reloc->r_addend;
#ifndef RTLD_BOOTSTRAP
- if (map != &_dl_rtld_map) /* Already done in rtld itself. */
+ else if (__builtin_expect (r_type == R_390_NONE, 0))
+ return;
#endif
- *reloc_addr = map->l_addr + reloc->r_addend;
- }
- else if (ELF32_R_TYPE (reloc->r_info) != R_390_NONE)
+ else
{
const Elf32_Sym *const refsym = sym;
- Elf32_Addr value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
+ Elf32_Addr value = RESOLVE (&sym, version, r_type);
if (sym)
value += sym->st_value;
- switch (ELF32_R_TYPE (reloc->r_info))
+ switch (r_type)
{
case R_390_COPY:
if (sym == NULL)
@@ -431,24 +433,30 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
case R_390_NONE:
break;
default:
- _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 0);
+ _dl_reloc_bad_type (map, r_type, 0);
break;
}
}
}
+static inline void
+elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
+ Elf32_Addr *const reloc_addr)
+{
+ *reloc_addr = l_addr + reloc->r_addend;
+}
static inline void
elf_machine_lazy_rel (struct link_map *map,
Elf32_Addr l_addr, const Elf32_Rela *reloc)
{
Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
+ const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
/* Check for unexpected PLT reloc type. */
- if (__builtin_expect (ELF32_R_TYPE (reloc->r_info), R_390_JMP_SLOT)
- == R_390_JMP_SLOT)
+ if (__builtin_expect (r_type == R_390_JMP_SLOT, 1)))
*reloc_addr += l_addr;
else
- _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 1);
+ _dl_reloc_bad_type (map, r_type, 1);
}
#endif /* RESOLVE */
diff --git a/sysdeps/s390/s390-64/dl-machine.h b/sysdeps/s390/s390-64/dl-machine.h
index 4020ff4..1f7fc2d 100644
--- a/sysdeps/s390/s390-64/dl-machine.h
+++ b/sysdeps/s390/s390-64/dl-machine.h
@@ -21,7 +21,7 @@
#ifndef dl_machine_h
#define dl_machine_h
-
+
#define ELF_MACHINE_NAME "s390x"
#include <sys/param.h>
@@ -77,7 +77,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
extern void _dl_runtime_resolve (Elf64_Word);
extern void _dl_runtime_profile (Elf64_Word);
- if (l->l_info[DT_JMPREL] && lazy)
+ if (l->l_info[DT_JMPREL] && lazy)
{
/* The GOT entries for functions in the PLT have not yet been filled
in. Their initial contents will arrange when called to push an
@@ -96,7 +96,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
if (__builtin_expect (profile, 0))
{
got[2] = (Elf64_Addr) &_dl_runtime_profile;
-
+
if (_dl_name_match_p (_dl_profile, l))
/* This is the object we are looking for. Say that we really
want profiling and the timers are started. */
@@ -203,7 +203,7 @@ _dl_runtime_profile:\n\
.size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
.size _dl_runtime_profile, .-_dl_runtime_profile\n\
");
-#endif
+#endif
/* Initial entry point code for the dynamic linker.
The C function `_dl_start' is the real entry point;
@@ -282,10 +282,10 @@ _dl_start_user:\n\
/* Nonzero iff TYPE describes relocation of a PLT entry, so
PLT entries should not be allowed to define the value. */
-#define elf_machine_lookup_noplt_p(type) ((type) == R_390_JMP_SLOT)
+#define elf_machine_lookup_noplt_p(type) ((type) == R_390_JMP_SLOT)
/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
-#define ELF_MACHINE_JMP_SLOT R_390_JMP_SLOT
+#define ELF_MACHINE_JMP_SLOT R_390_JMP_SLOT
/* The 64 bit S/390 never uses Elf64_Rel relocations. */
#define ELF_MACHINE_NO_REL 1
@@ -318,9 +318,9 @@ elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc,
Elf64_Addr value)
{
return value;
-}
+}
-#endif /* !dl_machine_h */
+#endif /* !dl_machine_h */
#ifdef RESOLVE
@@ -332,21 +332,22 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
const Elf64_Sym *sym, const struct r_found_version *version,
Elf64_Addr *const reloc_addr)
{
- if (ELF64_R_TYPE (reloc->r_info) == R_390_RELATIVE) {
+ const unsigned int r_type = ELF64_R_TYPE (reloc->r_info);
+
+ if (__builtin_expect (r_type == R_390_RELATIVE, 0))
+ *reloc_addr = map->l_addr + reloc->r_addend;
#ifndef RTLD_BOOTSTRAP
- weak_extern (_dl_rtld_map);
- if (map != &_dl_rtld_map) /* Already done in rtld itself. */
+ else if (__builtin_expect (r_type == R_390_NONE, 0))
+ return;
#endif
- *reloc_addr = map->l_addr + reloc->r_addend;
- }
- else if (ELF64_R_TYPE (reloc->r_info) != R_390_NONE)
+ else
{
const Elf64_Sym *const refsym = sym;
- Elf64_Addr value = RESOLVE (&sym, version, ELF64_R_TYPE (reloc->r_info));
+ Elf64_Addr value = RESOLVE (&sym, version, r_type);
if (sym)
value += sym->st_value;
-
- switch (ELF64_R_TYPE (reloc->r_info))
+
+ switch (r_type)
{
case R_390_GLOB_DAT:
case R_390_JMP_SLOT:
@@ -372,7 +373,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
}
memcpy (reloc_addr, (void *) value, MIN (sym->st_size,
refsym->st_size));
- break;
+ break;
case R_390_64:
*reloc_addr = value + reloc->r_addend;
break;
@@ -394,7 +395,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
((int) (value + reloc->r_addend - (Elf64_Addr) reloc_addr) >> 1);
break;
case R_390_PC32:
- *(unsigned int *) reloc_addr =
+ *(unsigned int *) reloc_addr =
value + reloc->r_addend - (Elf64_Addr) reloc_addr;
break;
case R_390_PC16DBL:
@@ -403,7 +404,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
((short) (value + reloc->r_addend - (Elf64_Addr) reloc_addr) >> 1);
break;
case R_390_PC16:
- *(unsigned short *) reloc_addr =
+ *(unsigned short *) reloc_addr =
value + reloc->r_addend - (Elf64_Addr) reloc_addr;
break;
#endif
@@ -411,24 +412,31 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
default:
/* We add these checks in the version to relocate ld.so only
if we are still debugging. */
- _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 0);
+ _dl_reloc_bad_type (map, r_type, 0);
break;
#endif
}
}
-}
+}
+
+static inline void
+elf_machine_rel_relative (Elf64_Addr l_addr, const Elf64_Rel *reloc,
+ Elf64_Addr *const reloc_addr)
+{
+ *reloc_addr = l_addr + reloc->r_addend;
+}
static inline void
elf_machine_lazy_rel (struct link_map *map,
Elf64_Addr l_addr, const Elf64_Rela *reloc)
{
Elf64_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
+ const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
/* Check for unexpected PLT reloc type. */
- if (__builtin_expect (ELF64_R_TYPE (reloc->r_info), R_390_JMP_SLOT)
- == R_390_JMP_SLOT)
+ if (__builtin_expect (r_type == R_390_JMP_SLOT, 1))
*reloc_addr += l_addr;
else
- _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 1);
+ _dl_reloc_bad_type (map, r_type, 1);
}
#endif /* RESOLVE */
diff --git a/sysdeps/sh/dl-machine.h b/sysdeps/sh/dl-machine.h
index 2a740b1..a082e6e 100644
--- a/sysdeps/sh/dl-machine.h
+++ b/sysdeps/sh/dl-machine.h
@@ -446,6 +446,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
const Elf32_Sym *sym, const struct r_found_version *version,
Elf32_Addr *const reloc_addr)
{
+ const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
Elf32_Addr value;
#define COPY_UNALIGNED_WORD(sw, tw, align) \
@@ -469,7 +470,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
} \
}
- if (ELF32_R_TYPE (reloc->r_info) == R_SH_RELATIVE)
+ if (__builtin_expect (r_type == R_SH_RELATIVE, 0))
{
#ifndef RTLD_BOOTSTRAP
if (map != &_dl_rtld_map) /* Already done in rtld itself. */
@@ -485,7 +486,11 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
COPY_UNALIGNED_WORD (value, *reloc_addr, (int) reloc_addr & 3);
}
}
- else if (ELF32_R_TYPE (reloc->r_info) != R_SH_NONE)
+#ifndef RTLD_BOOTSTRAP
+ else if (__builtin_expect (r_type 1= R_SH_NONE, 0))
+ return;
+#endif
+ else
{
const Elf32_Sym *const refsym = sym;
@@ -550,6 +555,20 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
break;
}
}
+}
+
+static inline void
+elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
+ Elf32_Addr *const reloc_addr)
+{
+ if (reloc->r_addend)
+ value = l_addr + reloc->r_addend;
+ else
+ {
+ COPY_UNALIGNED_WORD (*reloc_addr, value, (int) reloc_addr & 3);
+ value += l_addr;
+ }
+ COPY_UNALIGNED_WORD (value, *reloc_addr, (int) reloc_addr & 3);
#undef COPY_UNALIGNED_WORD
}
diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h
index 460421d..edeb20b 100644
--- a/sysdeps/sparc/sparc32/dl-machine.h
+++ b/sysdeps/sparc/sparc32/dl-machine.h
@@ -344,6 +344,8 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
const Elf32_Sym *sym, const struct r_found_version *version,
Elf32_Addr *const reloc_addr)
{
+ const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
+
#ifndef RTLD_BOOTSTRAP
/* 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
@@ -353,7 +355,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
weak_extern (_dl_rtld_map);
#endif
- if (ELF32_R_TYPE (reloc->r_info) == R_SPARC_RELATIVE)
+ if (__builtin_expect (r_type == R_SPARC_RELATIVE, 0))
{
#ifndef RTLD_BOOTSTRAP
if (map != &_dl_rtld_map) /* Already done in rtld itself. */
@@ -371,13 +373,13 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
value = map->l_addr;
else
{
- value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
+ value = RESOLVE (&sym, version, r_type);
if (sym)
value += sym->st_value;
}
value += reloc->r_addend; /* Assume copy relocs have zero addend. */
- switch (ELF32_R_TYPE (reloc->r_info))
+ switch (r_type)
{
#ifndef RTLD_BOOTSTRAP
case R_SPARC_COPY:
@@ -449,7 +451,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
break;
#if !defined RTLD_BOOTSTRAP || defined _NDEBUG
default:
- _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 0);
+ _dl_reloc_bad_type (map, r_type, 0);
break;
#endif
}
@@ -457,6 +459,13 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
}
static inline void
+elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
+ Elf32_Addr *const reloc_addr)
+{
+ *reloc_addr += l_addr + reloc->r_addend;
+}
+
+static inline void
elf_machine_lazy_rel (struct link_map *map,
Elf32_Addr l_addr, const Elf32_Rela *reloc)
{
diff --git a/sysdeps/sparc/sparc64/dl-machine.h b/sysdeps/sparc/sparc64/dl-machine.h
index b7f2d62..1e5e25b 100644
--- a/sysdeps/sparc/sparc64/dl-machine.h
+++ b/sysdeps/sparc/sparc64/dl-machine.h
@@ -64,12 +64,12 @@ elf_machine_load_address (void)
: "=r"(pc), "=r"(la));
return pc - *(Elf64_Addr *)(elf_pic_register + la);
-
+
Unfortunately as binutils tries to work around Solaris
dynamic linker bug which resolves R_SPARC_RELATIVE as X += B + A
instead of X = B + A this does not work any longer, since ld
clears it.
-
+
The following method relies on the fact that sparcv9 ABI maximal
page length is 1MB and all ELF segments on sparc64 are aligned
to 1MB. Also, it relies on _DYNAMIC coming after _GLOBAL_OFFSET_TABLE_
@@ -197,23 +197,15 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
const Elf64_Sym *sym, const struct r_found_version *version,
Elf64_Addr *const reloc_addr)
{
-#ifndef RTLD_BOOTSTRAP
- /* 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
- 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
- incompatible with a weak decl in the same file. */
- weak_extern (_dl_rtld_map);
-#endif
+ const unsigned long int r_type = ELF64_R_TYPE_ID (reloc->r_info);
- if (ELF64_R_TYPE_ID (reloc->r_info) == R_SPARC_RELATIVE)
- {
+ if (__builtin_expect (r_type == R_SPARC_RELATIVE, 0))
+ *reloc_addr = map->l_addr + reloc->r_addend;
#ifndef RTLD_BOOTSTRAP
- if (map != &_dl_rtld_map) /* Already done in rtld itself. */
+ else if (r_type == R_SPARC_NONE) /* Who is Wilbur? */
+ return;
#endif
- *reloc_addr = map->l_addr + reloc->r_addend;
- }
- else if (ELF64_R_TYPE_ID (reloc->r_info) != R_SPARC_NONE) /* Who is Wilbur? */
+ else
{
#ifndef RTLD_BOOTSTRAP
const Elf64_Sym *const refsym = sym;
@@ -224,13 +216,13 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
value = map->l_addr;
else
{
- value = RESOLVE (&sym, version, ELF64_R_TYPE_ID (reloc->r_info));
+ value = RESOLVE (&sym, version, r_type);
if (sym)
value += sym->st_value;
}
value += reloc->r_addend; /* Assume copy relocs have zero addend. */
- switch (ELF64_R_TYPE_ID (reloc->r_info))
+ switch (r_type)
{
#ifndef RTLD_BOOTSTRAP
case R_SPARC_COPY:
@@ -368,7 +360,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
#endif
#if !defined RTLD_BOOTSTRAP || defined _NDEBUG
default:
- _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 0);
+ _dl_reloc_bad_type (map, r_type, 0);
break;
#endif
}
@@ -376,6 +368,13 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
}
static inline void
+elf_machine_rel_relative (Elf64_Addr l_addr, const Elf64_Rel *reloc,
+ Elf64_Addr *const reloc_addr)
+{
+ *reloc_addr = l_addr + reloc->r_addend;
+}
+
+static inline void
elf_machine_lazy_rel (struct link_map *map,
Elf64_Addr l_addr, const Elf64_Rela *reloc)
{
generated by cgit v1.1 at 2024-12-22 12:21:35 +0000