mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 05:20:06 +00:00
(elf_machine_rela): Mention program name in warning message.
This commit is contained in:
Ulrich Drepper
parent
db45cbee79
commit
09d24ad477
@ -234,11 +234,13 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
|
||||
if (sym->st_size > refsym->st_size
|
||||
|| (_dl_verbose && sym->st_size < refsym->st_size))
|
||||
{
|
||||
extern char **_dl_argv;
|
||||
const char *strtab;
|
||||
|
||||
strtab = ((void *) map->l_addr
|
||||
+ map->l_info[DT_STRTAB]->d_un.d_ptr);
|
||||
_dl_sysdep_error ("Symbol `", strtab + refsym->st_name,
|
||||
_dl_sysdep_error (_dl_argv[0] ?: "<program name unknown>",
|
||||
": Symbol `", strtab + refsym->st_name,
|
||||
"' has different size in shared object, "
|
||||
"consider re-linking\n", NULL);
|
||||
}
|
||||
|
||||
@ -125,32 +125,11 @@ elf_machine_got (void)
|
||||
}
|
||||
|
||||
|
||||
/* Return the link-time address of _DYNAMIC. Conveniently, this is the
|
||||
first element of the GOT. This must be inlined in a function which
|
||||
uses global data. */
|
||||
static inline ElfW(Addr)
|
||||
elf_machine_dynamic (void)
|
||||
{
|
||||
register ElfW(Addr) gp asm ("$28");
|
||||
return * (ElfW(Addr) *) (gp - 0x7ff0);
|
||||
}
|
||||
|
||||
/* Return the run-time load address of the shared object. */
|
||||
static inline ElfW(Addr)
|
||||
elf_machine_load_address (void)
|
||||
{
|
||||
ElfW(Addr) addr;
|
||||
#ifdef __mips64
|
||||
asm (" .set noreorder\n"
|
||||
" dla %0, here\n"
|
||||
" bltzal $0, here\n"
|
||||
" nop\n"
|
||||
"here: dsubu %0, $31, %0\n"
|
||||
" .set reorder\n"
|
||||
: "=r" (addr)
|
||||
: /* No inputs */
|
||||
: "$31");
|
||||
#else
|
||||
asm (" .set noreorder\n"
|
||||
" la %0, here\n"
|
||||
" bltzal $0, here\n"
|
||||
@ -160,7 +139,6 @@ elf_machine_load_address (void)
|
||||
: "=r" (addr)
|
||||
: /* No inputs */
|
||||
: "$31");
|
||||
#endif
|
||||
return addr;
|
||||
}
|
||||
|
||||
@ -364,100 +342,6 @@ elf_machine_runtime_link_map (ElfW(Addr) gpreg, ElfW(Addr) stub_pc)
|
||||
t8 index for this function symbol in .dynsym
|
||||
to usual c arguments. */
|
||||
|
||||
#ifdef __mips64
|
||||
#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
|
||||
/* The flag _dl_mips_gnu_objects is set if all dynamic objects are \
|
||||
generated by the gnu linker. */ \
|
||||
int _dl_mips_gnu_objects = 1; \
|
||||
\
|
||||
/* This is called from assembly stubs below which the compiler can't see. */ \
|
||||
static ElfW(Addr) \
|
||||
__dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr), ElfW(Addr)) \
|
||||
__attribute__ ((unused)); \
|
||||
\
|
||||
static ElfW(Addr) \
|
||||
__dl_runtime_resolve (ElfW(Word) sym_index, \
|
||||
ElfW(Word) return_address, \
|
||||
ElfW(Addr) old_gpreg, \
|
||||
ElfW(Addr) stub_pc) \
|
||||
{ \
|
||||
struct link_map *l = elf_machine_runtime_link_map (old_gpreg, stub_pc); \
|
||||
const ElfW(Sym) *const symtab \
|
||||
= (const ElfW(Sym) *) (l->l_addr + l->l_info[DT_SYMTAB]->d_un.d_ptr); \
|
||||
const char *strtab \
|
||||
= (void *) (l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr); \
|
||||
const ElfW(Addr) *got \
|
||||
= (const ElfW(Addr) *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr); \
|
||||
const ElfW(Word) local_gotno \
|
||||
= (const ElfW(Word)) l->l_info[DT_MIPS (LOCAL_GOTNO)]->d_un.d_val; \
|
||||
const ElfW(Word) gotsym \
|
||||
= (const ElfW(Word)) l->l_info[DT_MIPS (GOTSYM)]->d_un.d_val; \
|
||||
const ElfW(Sym) *definer; \
|
||||
ElfW(Addr) loadbase; \
|
||||
ElfW(Addr) funcaddr; \
|
||||
struct link_map **scope; \
|
||||
\
|
||||
/* Look up the symbol's run-time value. */ \
|
||||
scope = _dl_object_relocation_scope (l); \
|
||||
definer = &symtab[sym_index]; \
|
||||
\
|
||||
loadbase = _dl_lookup_symbol (strtab + definer->st_name, &definer, \
|
||||
scope, l->l_name, ELF_MACHINE_RELOC_NOPLT); \
|
||||
\
|
||||
*_dl_global_scope_end = NULL; \
|
||||
\
|
||||
/* Apply the relocation with that value. */ \
|
||||
funcaddr = loadbase + definer->st_value; \
|
||||
*(got + local_gotno + sym_index - gotsym) = funcaddr; \
|
||||
\
|
||||
return funcaddr; \
|
||||
} \
|
||||
\
|
||||
asm ("\n \
|
||||
.text\n \
|
||||
.align 3\n \
|
||||
.globl _dl_runtime_resolve\n \
|
||||
.type _dl_runtime_resolve,@function\n \
|
||||
.ent _dl_runtime_resolve\n \
|
||||
_dl_runtime_resolve:\n \
|
||||
.set noreorder\n \
|
||||
# Save old GP to $3.\n \
|
||||
move $3,$28\n \
|
||||
# Modify t9 ($25) so as to point .cpload instruction.\n \
|
||||
daddu $25,2*8\n \
|
||||
# Compute GP.\n \
|
||||
.cpload $25\n \
|
||||
.set reorder\n \
|
||||
# Save slot call pc.\n \
|
||||
move $2, $31\n \
|
||||
# Save arguments and sp value in stack.\n \
|
||||
dsubu $29, 10*8\n \
|
||||
.cprestore 8*8\n \
|
||||
sd $15, 9*8($29)\n \
|
||||
sd $4, 3*8($29)\n \
|
||||
sd $5, 4*8($29)\n \
|
||||
sd $6, 5*8($29)\n \
|
||||
sd $7, 6*8($29)\n \
|
||||
sd $16, 7*8($29)\n \
|
||||
move $16, $29\n \
|
||||
move $4, $24\n \
|
||||
move $5, $15\n \
|
||||
move $6, $3\n \
|
||||
move $7, $2\n \
|
||||
jal __dl_runtime_resolve\n \
|
||||
move $29, $16\n \
|
||||
ld $31, 9*8($29)\n \
|
||||
ld $4, 3*8($29)\n \
|
||||
ld $5, 4*8($29)\n \
|
||||
ld $6, 5*8($29)\n \
|
||||
ld $7, 6*8($29)\n \
|
||||
ld $16, 7*8($29)\n \
|
||||
daddu $29, 10*8\n \
|
||||
move $25, $2\n \
|
||||
jr $25\n \
|
||||
.end _dl_runtime_resolve\n \
|
||||
");
|
||||
#else
|
||||
#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
|
||||
/* The flag _dl_mips_gnu_objects is set if all dynamic objects are \
|
||||
generated by the gnu linker. */ \
|
||||
@ -550,7 +434,6 @@ _dl_runtime_resolve:\n \
|
||||
jr $25\n \
|
||||
.end _dl_runtime_resolve\n \
|
||||
");
|
||||
#endif
|
||||
|
||||
/* Mask identifying addresses reserved for the user program,
|
||||
where the dynamic linker should not map anything. */
|
||||
@ -573,78 +456,6 @@ _dl_runtime_resolve:\n \
|
||||
2) That under Linux the entry is named __start
|
||||
and not just plain _start. */
|
||||
|
||||
#ifdef __mips64
|
||||
#define RTLD_START asm ("\
|
||||
.text\n\
|
||||
.align 3\n"\
|
||||
_RTLD_PROLOGUE (ENTRY_POINT)\
|
||||
" .globl _dl_start_user\n\
|
||||
.set noreorder\n\
|
||||
bltzal $0, 0f\n\
|
||||
nop\n\
|
||||
0: .cpload $31\n\
|
||||
.set reorder\n\
|
||||
# i386 ABI book says that the first entry of GOT holds\n\
|
||||
# the address of the dynamic structure. Though MIPS ABI\n\
|
||||
# doesn't say nothing about this, I emulate this here.\n\
|
||||
dla $4, _DYNAMIC\n\
|
||||
sd $4, -0x7ff0($28)\n\
|
||||
move $4, $29\n\
|
||||
jal _dl_start\n\
|
||||
# Get the value of label '_dl_start_user' in t9 ($25).\n\
|
||||
dla $25, _dl_start_user\n\
|
||||
_dl_start_user:\n\
|
||||
.set noreorder\n\
|
||||
.cpload $25\n\
|
||||
.set reorder\n\
|
||||
move $16, $28\n\
|
||||
# Save the user entry point address in saved register.\n\
|
||||
move $17, $2\n\
|
||||
# See if we were run as a command with the executable file\n\
|
||||
# name as an extra leading argument.\n\
|
||||
ld $2, _dl_skip_args\n\
|
||||
beq $2, $0, 1f\n\
|
||||
# Load the original argument count.\n\
|
||||
ld $4, 0($29)\n\
|
||||
# Subtract _dl_skip_args from it.\n\
|
||||
dsubu $4, $2\n\
|
||||
# Adjust the stack pointer to skip _dl_skip_args words.\n\
|
||||
dsll $2,2\n\
|
||||
daddu $29, $2\n\
|
||||
# Save back the modified argument count.\n\
|
||||
sd $4, 0($29)\n\
|
||||
# Get _dl_default_scope[2] as argument in _dl_init_next call below.\n\
|
||||
1: dla $2, _dl_default_scope\n\
|
||||
ld $4, 2*8($2)\n\
|
||||
# Call _dl_init_next to return the address of an initializer\n\
|
||||
# function to run.\n\
|
||||
jal _dl_init_next\n\
|
||||
move $28, $16\n\
|
||||
# Check for zero return, when out of initializers.\n\
|
||||
beq $2, $0, 2f\n\
|
||||
# Call the shared object initializer function.\n\
|
||||
move $25, $2\n\
|
||||
ld $4, 0($29)\n\
|
||||
ld $5, 1*8($29)\n\
|
||||
ld $6, 2*8($29)\n\
|
||||
ld $7, 3*8($29)\n\
|
||||
jalr $25\n\
|
||||
move $28, $16\n\
|
||||
# Loop to call _dl_init_next for the next initializer.\n\
|
||||
b 1b\n\
|
||||
# Pass our finalizer function to the user in ra.\n\
|
||||
2: dla $31, _dl_fini\n\
|
||||
# Jump to the user entry point.\n\
|
||||
move $25, $17\n\
|
||||
ld $4, 0($29)\n\
|
||||
ld $5, 1*8($29)\n\
|
||||
ld $6, 2*8$29)\n\
|
||||
ld $7, 3*8($29)\n\
|
||||
jr $25\n"\
|
||||
_RTLD_EPILOGUE(ENTRY_POINT) \
|
||||
);
|
||||
|
||||
#else
|
||||
#define RTLD_START asm ("\
|
||||
.text\n"\
|
||||
_RTLD_PROLOGUE(ENTRY_POINT)\
|
||||
@ -718,8 +529,7 @@ _dl_start_user:\n\
|
||||
lw $7, 12($29)\n\
|
||||
jr $25\n"\
|
||||
_RTLD_EPILOGUE(ENTRY_POINT)\
|
||||
");
|
||||
#endif
|
||||
);
|
||||
|
||||
/* The MIPS never uses Elfxx_Rela relocations. */
|
||||
#define ELF_MACHINE_NO_RELA 1
|
||||
|
||||
Loading…
Reference in New Issue
Block a user