[v3,1/3] ia64: Always define IA64_USE_NEW_STUB as a flag macro
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And keep the previous definition if it exists. This allows
disabling IA64_USE_NEW_STUB while keeping USE_DL_SYSINFO defined.
---
v3: Fix “statup” typo. Do not use libpthread and librt in conditional.
sysdeps/unix/sysv/linux/ia64/brk.c | 5 ++---
sysdeps/unix/sysv/linux/ia64/sysdep.h | 23 +++++++++++++----------
2 files changed, 15 insertions(+), 13 deletions(-)
base-commit: c1b68685d438373efe64e5f076f4215723004dfb
@@ -16,7 +16,6 @@
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
-#include <dl-sysdep.h>
-/* brk is used by statup before TCB is properly set. */
-#undef USE_DL_SYSINFO
+/* brk is used by startup before TCB is properly set up. */
+#define IA64_USE_NEW_STUB 0
#include <sysdeps/unix/sysv/linux/brk.c>
@@ -44,12 +44,15 @@
#undef SYS_ify
#define SYS_ify(syscall_name) __NR_##syscall_name
-#if defined USE_DL_SYSINFO \
- && (IS_IN (libc) \
- || IS_IN (libpthread) || IS_IN (librt))
-# define IA64_USE_NEW_STUB
-#else
-# undef IA64_USE_NEW_STUB
+#ifndef IA64_USE_NEW_STUB
+# if defined USE_DL_SYSINFO && IS_IN (libc)
+# define IA64_USE_NEW_STUB 1
+# else
+# define IA64_USE_NEW_STUB 0
+# endif
+#endif
+#if IA64_USE_NEW_STUB && !USE_DL_SYSINFO
+# error IA64_USE_NEW_STUB needs USE_DL_SYSINFO
#endif
#ifdef __ASSEMBLER__
@@ -101,7 +104,7 @@
mov r15=num; \
break __IA64_BREAK_SYSCALL
-#ifdef IA64_USE_NEW_STUB
+#if IA64_USE_NEW_STUB
# ifdef SHARED
# define DO_CALL(num) \
.prologue; \
@@ -185,7 +188,7 @@
(non-negative) errno on error or the return value on success.
*/
-#ifdef IA64_USE_NEW_STUB
+#if IA64_USE_NEW_STUB
# define INTERNAL_SYSCALL_NCS(name, nr, args...) \
({ \
@@ -277,7 +280,7 @@
#define ASM_OUTARGS_5 ASM_OUTARGS_4, "=r" (_out4)
#define ASM_OUTARGS_6 ASM_OUTARGS_5, "=r" (_out5)
-#ifdef IA64_USE_NEW_STUB
+#if IA64_USE_NEW_STUB
#define ASM_ARGS_0
#define ASM_ARGS_1 ASM_ARGS_0, "4" (_out0)
#define ASM_ARGS_2 ASM_ARGS_1, "5" (_out1)
@@ -313,7 +316,7 @@
/* Branch registers. */ \
"b6"
-#ifdef IA64_USE_NEW_STUB
+#if IA64_USE_NEW_STUB
# define ASM_CLOBBERS_6 ASM_CLOBBERS_6_COMMON
#else
# define ASM_CLOBBERS_6 ASM_CLOBBERS_6_COMMON , "b7"