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authorWaldemar Brodkorb <wbx@openadk.org>2015-02-14 23:04:02 -0600
committerWaldemar Brodkorb <wbx@openadk.org>2015-02-14 23:04:02 -0600
commite1e46622ac0fce73d802fa4a8a2e83cc25cd9e7a (patch)
tree2c8d14e4dcc733f4227f0984ed05da5826b13acd /libpthread/linuxthreads/sysdeps/i386/useldt.h
parent6b6ede3d15f04fe825cfa9f697507457e3640344 (diff)
Revert "resolve merge"
This reverts commit 6b6ede3d15f04fe825cfa9f697507457e3640344.
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/i386/useldt.h')
-rw-r--r--libpthread/linuxthreads/sysdeps/i386/useldt.h19
1 files changed, 13 insertions, 6 deletions
diff --git a/libpthread/linuxthreads/sysdeps/i386/useldt.h b/libpthread/linuxthreads/sysdeps/i386/useldt.h
index 02326729a..067e5e242 100644
--- a/libpthread/linuxthreads/sysdeps/i386/useldt.h
+++ b/libpthread/linuxthreads/sysdeps/i386/useldt.h
@@ -21,6 +21,7 @@
#ifndef __ASSEMBLER__
#include <stddef.h> /* For offsetof. */
#include <stdlib.h> /* For abort(). */
+#include <sysdep.h>
/* We don't want to include the kernel header. So duplicate the
@@ -75,7 +76,7 @@ extern int __modify_ldt (int, struct modify_ldt_ldt_s *, size_t);
#ifdef __PIC__
# define USETLS_EBX_ARG "r"
-# define USETLS_LOAD_EBX "xchgl %3, %%ebx\n\t"
+# define USETLS_LOAD_EBX "xchgl %1, %%ebx\n\t"
#else
# define USETLS_EBX_ARG "b"
# define USETLS_LOAD_EBX
@@ -85,7 +86,7 @@ extern int __modify_ldt (int, struct modify_ldt_ldt_s *, size_t);
because we inherited the value set up in the main thread by TLS setup.
We need to extract that value and set up the same segment in this
thread. */
-#if USE_TLS
+#ifdef __UCLIBC_HAS_TLS__
# define DO_SET_THREAD_AREA_REUSE(nr) 1
#else
/* Without TLS, we do the initialization of the main thread, where NR == 0. */
@@ -107,8 +108,10 @@ extern int __modify_ldt (int, struct modify_ldt_ldt_s *, size_t);
"movl %2, %%eax\n\t" \
"int $0x80\n\t" \
USETLS_LOAD_EBX \
- : "&a" (__result) \
- : USETLS_EBX_ARG (&ldt_entry), "i" (__NR_set_thread_area)); \
+ : "=&a" (__result) \
+ : USETLS_EBX_ARG (&ldt_entry), "i" (__NR_set_thread_area), \
+ "m" (ldt_entry) \
+ : "memory"); \
if (__result == 0) \
__asm__ ("movw %w0, %%gs" :: "q" (__gs)); \
else \
@@ -125,8 +128,10 @@ extern int __modify_ldt (int, struct modify_ldt_ldt_s *, size_t);
"movl %2, %%eax\n\t" \
"int $0x80\n\t" \
USETLS_LOAD_EBX \
- : "&a" (__result) \
- : USETLS_EBX_ARG (&ldt_entry), "i" (__NR_set_thread_area)); \
+ : "=&a" (__result) \
+ : USETLS_EBX_ARG (&ldt_entry), "i" (__NR_set_thread_area), \
+ "m" (ldt_entry) \
+ : "memory"); \
if (__result == 0) \
{ \
__gs = (ldt_entry.entry_number << 3) + 3; \
@@ -299,8 +304,10 @@ extern int __have_no_set_thread_area;
})
#endif
+#if __ASSUME_LDT_WORKS > 0
/* We want the OS to assign stack addresses. */
#define FLOATING_STACKS 1
/* Maximum size of the stack if the rlimit is unlimited. */
#define ARCH_STACK_MAX_SIZE 8*1024*1024
+#endif