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authorWaldemar Brodkorb <wbx@openadk.org>2015-04-24 19:57:28 -0500
committerWaldemar Brodkorb <wbx@openadk.org>2015-04-24 19:57:28 -0500
commit928ab832caa67c0c1a44e3a8e1483b0ed33cda50 (patch)
tree6e3df2d0437f834971fe28bdf519a2c8da694fc1 /ldso
parent74c69da52ad5029cd2fc2d3d41d581022ed0a7aa (diff)
parentf1f98784e65ce9621a570af50998b1940e7fb81d (diff)
merge uClibc changes
Diffstat (limited to 'ldso')
-rw-r--r--ldso/include/ldsodefs.h2
-rw-r--r--ldso/ldso/arm/dl-startup.h12
-rw-r--r--ldso/ldso/arm/resolve.S18
-rw-r--r--ldso/ldso/dl-tls.c9
-rw-r--r--ldso/ldso/ldso.c3
5 files changed, 19 insertions, 25 deletions
diff --git a/ldso/include/ldsodefs.h b/ldso/include/ldsodefs.h
index f17ac0ca0..9ae645c60 100644
--- a/ldso/include/ldsodefs.h
+++ b/ldso/include/ldsodefs.h
@@ -111,7 +111,9 @@ EXTERN size_t _dl_tls_static_used;
/* Alignment requirement of the static TLS block. */
EXTERN size_t _dl_tls_static_align;
/* Function pointer for catching TLS errors. */
+#if 1 /* def _LIBC_REENTRANT */
EXTERN void **(*_dl_error_catch_tsd) (void) __attribute__ ((const));
+#endif
/* Number of additional entries in the slotinfo array of each slotinfo
list element. A large number makes it almost certain take we never
diff --git a/ldso/ldso/arm/dl-startup.h b/ldso/ldso/arm/dl-startup.h
index df2c82469..eb2a9a22a 100644
--- a/ldso/ldso/arm/dl-startup.h
+++ b/ldso/ldso/arm/dl-startup.h
@@ -47,11 +47,7 @@ __asm__(
" ldr r0, .L_FINI_PROC\n"
" ldr r0, [sl, r0]\n"
" @ jump to the user_s entry point\n"
-#if defined(__USE_BX__)
- " bx r6\n"
-#else
- " mov pc, r6\n"
-#endif
+ " " __stringify(BX(r6)) "\n"
".L_GET_GOT:\n"
" .word _GLOBAL_OFFSET_TABLE_ - .L_GOT_GOT - 4\n"
".L_SKIP_ARGS:\n"
@@ -113,11 +109,7 @@ __asm__(
" ldr r0, .L_FINI_PROC\n"
" ldr r0, [r7, r0]\n"
" @ jump to the user_s entry point\n"
-#if defined(__USE_BX__)
- " bx r6\n"
-#else
- " mov pc, r6\n"
-#endif
+ " " __stringify(BX(r6)) "\n"
"\n\n"
".L_GET_GOT:\n"
" .word _GLOBAL_OFFSET_TABLE_ - .L_GOT_GOT - 4\n"
diff --git a/ldso/ldso/arm/resolve.S b/ldso/ldso/arm/resolve.S
index c1caf9a14..7e0058e0d 100644
--- a/ldso/ldso/arm/resolve.S
+++ b/ldso/ldso/arm/resolve.S
@@ -90,12 +90,10 @@
* dl-startup.c).
*/
-#include <sys/syscall.h>
+#include <features.h>
#include <bits/arm_asm.h>
#include <bits/arm_bx.h>
-#include <features.h>
-
#define sl r10
#define fp r11
#define ip r12
@@ -114,8 +112,8 @@ _dl_linux_resolve:
@ function must branch to the real function, and that expects
@ r0-r3 and lr to be as they were before the whole PLT stuff -
@ ip can be trashed.
- @ This routine is called after pushing lr, so we must push an odd
- @ number of words to keep the stack correctly aligned.
+ @ This routine is called after pushing lr, so we must push an odd
+ @ number of words to keep the stack correctly aligned.
stmdb sp!, {r0, r1, r2, r3, r4}
ldr r0, [lr, #-4] @ r0 : = [lr-4] (GOT_TABLE[1])
@@ -124,16 +122,12 @@ _dl_linux_resolve:
@ ~x = -x-1, therefore ~(r1>>2) = (-((lr-ip)>>2)-1)
@ = - ((lr-ip)/4) - 1 = (ip - lr - 4)/4, as required
- bl _dl_linux_resolver
+ bl _dl_linux_resolver
- mov ip, r0
+ mov ip, r0
ldmia sp!, {r0, r1, r2, r3, r4, lr}
-#if defined(__USE_BX__)
- bx ip
-#else
- mov pc,ip
-#endif
+ BX(ip)
#else
@ In the thumb case _dl_linux_resolver is thumb. If a bl is used
@ from arm code the linker will insert a stub call which, with
diff --git a/ldso/ldso/dl-tls.c b/ldso/ldso/dl-tls.c
index 5d6d3b9d3..ced20fa2b 100644
--- a/ldso/ldso/dl-tls.c
+++ b/ldso/ldso/dl-tls.c
@@ -963,8 +963,13 @@ static bool tls_init_tp_called;
void ** __attribute__ ((const))
_dl_initial_error_catch_tsd (void)
{
- static void *data;
- return &data;
+ static
+#if 0 /* def ARCH_NEEDS_BOOTSTRAP_RELOCS */
+ /* If we have to do bootstrap relocs anyway we might as well */
+ __thread
+# endif
+ void *__tsd_data;
+ return &__tsd_data;
}
#ifdef SHARED
diff --git a/ldso/ldso/ldso.c b/ldso/ldso/ldso.c
index 7367f1737..0cdc91d99 100644
--- a/ldso/ldso/ldso.c
+++ b/ldso/ldso/ldso.c
@@ -1208,6 +1208,7 @@ of this helper program; chances are you did not intend to run this program.\n\
}
#endif
#ifdef __UCLIBC_HAS_SSP__
+ _dl_debug_early("Setting up SSP guards\n");
/* Set up the stack checker's canary. */
stack_chk_guard = _dl_setup_stack_chk_guard ();
# ifdef THREAD_SET_STACK_GUARD
@@ -1280,7 +1281,7 @@ of this helper program; chances are you did not intend to run this program.\n\
}
- _dl_debug_early ("\nprelink checking: %s\n", prelinked ? "ok" : "failed");
+ _dl_debug_early ("prelink checking: %s\n", prelinked ? "ok" : "failed");
if (prelinked) {
if (_dl_loaded_modules->dynamic_info[DT_GNU_CONFLICT_IDX]) {