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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-02-10 11:32:40 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-02-14 21:09:12 -0300
commit9a973da617772eff1f351989f8995f4305a2e63c (patch)
tree771fec43b2566bb0720705c2c9c5f3fd63f48463
parentbe74b42ee2a97009a6cd4fc90126add4a41c583b (diff)
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s390: Consolidate Linux syscall definition
The {INTERNAL,INLINE}_SYSCALL are defined only on s390 sysdep.h. Checked on s390x-linux-gnu and s390-linux-gnu.
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h95
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h97
-rw-r--r--sysdeps/unix/sysv/linux/s390/sysdep.h103
3 files changed, 103 insertions, 192 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
index f52b8b8735..520c9356c6 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
@@ -38,9 +38,6 @@
/* in newer 2.1 kernels __NR_syscall is missing so we define it here */
#define __NR_syscall 0
-#undef SYS_ify
-#define SYS_ify(syscall_name) __NR_##syscall_name
-
#ifdef __ASSEMBLER__
/* Linux uses a negative return value to indicate syscall errors, unlike
@@ -180,98 +177,6 @@
#endif /* __ASSEMBLER__ */
-#undef INLINE_SYSCALL
-#define INLINE_SYSCALL(name, nr, args...) \
- ({ \
- unsigned int _ret = INTERNAL_SYSCALL (name, , nr, args); \
- if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (_ret, ))) \
- { \
- __set_errno (INTERNAL_SYSCALL_ERRNO (_ret, )); \
- _ret = 0xffffffff; \
- } \
- (int) _ret; })
-
-#undef INTERNAL_SYSCALL_DECL
-#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
-
-#undef INTERNAL_SYSCALL_DIRECT
-#define INTERNAL_SYSCALL_DIRECT(name, err, nr, args...) \
- ({ \
- DECLARGS_##nr(args) \
- register int _ret __asm__("2"); \
- __asm__ __volatile__ ( \
- "svc %b1\n\t" \
- : "=d" (_ret) \
- : "i" (__NR_##name) ASMFMT_##nr \
- : "memory" ); \
- _ret; })
-
-#undef INTERNAL_SYSCALL_SVC0
-#define INTERNAL_SYSCALL_SVC0(name, err, nr, args...) \
- ({ \
- DECLARGS_##nr(args) \
- register unsigned long _nr __asm__("1") = (unsigned long)(__NR_##name); \
- register int _ret __asm__("2"); \
- __asm__ __volatile__ ( \
- "svc 0\n\t" \
- : "=d" (_ret) \
- : "d" (_nr) ASMFMT_##nr \
- : "memory" ); \
- _ret; })
-
-#undef INTERNAL_SYSCALL_NCS
-#define INTERNAL_SYSCALL_NCS(no, err, nr, args...) \
- ({ \
- DECLARGS_##nr(args) \
- register unsigned long _nr __asm__("1") = (unsigned long)(no); \
- register int _ret __asm__("2"); \
- __asm__ __volatile__ ( \
- "svc 0\n\t" \
- : "=d" (_ret) \
- : "d" (_nr) ASMFMT_##nr \
- : "memory" ); \
- _ret; })
-
-#undef INTERNAL_SYSCALL
-#define INTERNAL_SYSCALL(name, err, nr, args...) \
- (((__NR_##name) < 256) \
- ? INTERNAL_SYSCALL_DIRECT(name, err, nr, args) \
- : INTERNAL_SYSCALL_SVC0(name, err,nr, args))
-
-#undef INTERNAL_SYSCALL_ERROR_P
-#define INTERNAL_SYSCALL_ERROR_P(val, err) \
- ((unsigned int) (val) >= 0xfffff001u)
-
-#undef INTERNAL_SYSCALL_ERRNO
-#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
-
-#define DECLARGS_0()
-#define DECLARGS_1(arg1) \
- register unsigned long gpr2 __asm__ ("2") = (unsigned long)(arg1);
-#define DECLARGS_2(arg1, arg2) \
- DECLARGS_1(arg1) \
- register unsigned long gpr3 __asm__ ("3") = (unsigned long)(arg2);
-#define DECLARGS_3(arg1, arg2, arg3) \
- DECLARGS_2(arg1, arg2) \
- register unsigned long gpr4 __asm__ ("4") = (unsigned long)(arg3);
-#define DECLARGS_4(arg1, arg2, arg3, arg4) \
- DECLARGS_3(arg1, arg2, arg3) \
- register unsigned long gpr5 __asm__ ("5") = (unsigned long)(arg4);
-#define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \
- DECLARGS_4(arg1, arg2, arg3, arg4) \
- register unsigned long gpr6 __asm__ ("6") = (unsigned long)(arg5);
-#define DECLARGS_6(arg1, arg2, arg3, arg4, arg5, arg6) \
- DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \
- register unsigned long gpr7 __asm__ ("7") = (unsigned long)(arg6);
-
-#define ASMFMT_0
-#define ASMFMT_1 , "0" (gpr2)
-#define ASMFMT_2 , "0" (gpr2), "d" (gpr3)
-#define ASMFMT_3 , "0" (gpr2), "d" (gpr3), "d" (gpr4)
-#define ASMFMT_4 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5)
-#define ASMFMT_5 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6)
-#define ASMFMT_6 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6), "d" (gpr7)
-
/* Pointer mangling support. */
#if IS_IN (rtld)
/* We cannot use the thread descriptor because in ld.so we use setjmp
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
index 9ff4479dc3..623059135e 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
@@ -50,9 +50,6 @@
# define __NR_pwrite __NR_pwrite64
#endif
-#undef SYS_ify
-#define SYS_ify(syscall_name) __NR_##syscall_name
-
#ifdef __ASSEMBLER__
/* Linux uses a negative return value to indicate syscall errors, unlike
@@ -186,100 +183,6 @@
#endif /* __ASSEMBLER__ */
-#undef INLINE_SYSCALL
-#define INLINE_SYSCALL(name, nr, args...) \
- ({ \
- long _ret = INTERNAL_SYSCALL (name, , nr, args); \
- if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (_ret, ))) \
- { \
- __set_errno (INTERNAL_SYSCALL_ERRNO (_ret, )); \
- _ret = -1; \
- } \
- _ret; })
-
-#undef INTERNAL_SYSCALL_DECL
-#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
-
-#undef INTERNAL_SYSCALL_DIRECT
-#define INTERNAL_SYSCALL_DIRECT(name, err, nr, args...) \
- ({ \
- DECLARGS_##nr(args) \
- register long _ret __asm__("2"); \
- __asm__ __volatile__ ( \
- "svc %b1\n\t" \
- : "=d" (_ret) \
- : "i" (__NR_##name) ASMFMT_##nr \
- : "memory" ); \
- _ret; })
-
-#undef INTERNAL_SYSCALL_SVC0
-#define INTERNAL_SYSCALL_SVC0(name, err, nr, args...) \
- ({ \
- DECLARGS_##nr(args) \
- register unsigned long _nr __asm__("1") = (unsigned long)(__NR_##name); \
- register long _ret __asm__("2"); \
- __asm__ __volatile__ ( \
- "svc 0\n\t" \
- : "=d" (_ret) \
- : "d" (_nr) ASMFMT_##nr \
- : "memory" ); \
- _ret; })
-
-#undef INTERNAL_SYSCALL_NCS
-#define INTERNAL_SYSCALL_NCS(no, err, nr, args...) \
- ({ \
- DECLARGS_##nr(args) \
- register unsigned long _nr __asm__("1") = (unsigned long)(no); \
- register long _ret __asm__("2"); \
- __asm__ __volatile__ ( \
- "svc 0\n\t" \
- : "=d" (_ret) \
- : "d" (_nr) ASMFMT_##nr \
- : "memory" ); \
- _ret; })
-
-#undef INTERNAL_SYSCALL
-#define INTERNAL_SYSCALL(name, err, nr, args...) \
- (((__NR_##name) < 256) \
- ? INTERNAL_SYSCALL_DIRECT(name, err, nr, args) \
- : INTERNAL_SYSCALL_SVC0(name, err,nr, args))
-
-#undef INTERNAL_SYSCALL_ERROR_P
-#define INTERNAL_SYSCALL_ERROR_P(val, err) \
- ((unsigned long) (val) >= -4095UL)
-
-#undef INTERNAL_SYSCALL_ERRNO
-#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
-
-#define DECLARGS_0()
-#define DECLARGS_1(arg1) \
- register unsigned long gpr2 __asm__ ("2") = (unsigned long)(arg1);
-#define DECLARGS_2(arg1, arg2) \
- DECLARGS_1(arg1) \
- register unsigned long gpr3 __asm__ ("3") = (unsigned long)(arg2);
-#define DECLARGS_3(arg1, arg2, arg3) \
- DECLARGS_2(arg1, arg2) \
- register unsigned long gpr4 __asm__ ("4") = (unsigned long)(arg3);
-#define DECLARGS_4(arg1, arg2, arg3, arg4) \
- DECLARGS_3(arg1, arg2, arg3) \
- register unsigned long gpr5 __asm__ ("5") = (unsigned long)(arg4);
-#define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \
- DECLARGS_4(arg1, arg2, arg3, arg4) \
- register unsigned long gpr6 __asm__ ("6") = (unsigned long)(arg5);
-#define DECLARGS_6(arg1, arg2, arg3, arg4, arg5, arg6) \
- DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \
- register unsigned long gpr7 __asm__ ("7") = (unsigned long)(arg6);
-
-#define ASMFMT_0
-#define ASMFMT_1 , "0" (gpr2)
-#define ASMFMT_2 , "0" (gpr2), "d" (gpr3)
-#define ASMFMT_3 , "0" (gpr2), "d" (gpr3), "d" (gpr4)
-#define ASMFMT_4 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5)
-#define ASMFMT_5 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6)
-#define ASMFMT_6 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6), "d" (gpr7)
-
-#define SINGLE_THREAD_BY_GLOBAL 1
-
/* Pointer mangling support. */
#if IS_IN (rtld)
/* We cannot use the thread descriptor because in ld.so we use setjmp
diff --git a/sysdeps/unix/sysv/linux/s390/sysdep.h b/sysdeps/unix/sysv/linux/s390/sysdep.h
index 33ed86f252..7731d2ec7f 100644
--- a/sysdeps/unix/sysv/linux/s390/sysdep.h
+++ b/sysdeps/unix/sysv/linux/s390/sysdep.h
@@ -16,6 +16,107 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#ifndef __ASSEMBLY__
+
+#undef SYS_ify
+#define SYS_ify(syscall_name) __NR_##syscall_name
+
+#undef INLINE_SYSCALL
+#define INLINE_SYSCALL(name, nr, args...) \
+ ({ \
+ long int _ret = INTERNAL_SYSCALL (name, , nr, args); \
+ if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (_ret, ))) \
+ { \
+ __set_errno (INTERNAL_SYSCALL_ERRNO (_ret, )); \
+ _ret = -1; \
+ } \
+ _ret; })
+
+#undef INTERNAL_SYSCALL_DECL
+#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
+
+#undef INTERNAL_SYSCALL_DIRECT
+#define INTERNAL_SYSCALL_DIRECT(name, err, nr, args...) \
+ ({ \
+ DECLARGS_##nr(args) \
+ register long int _ret __asm__("2"); \
+ __asm__ __volatile__ ( \
+ "svc %b1\n\t" \
+ : "=d" (_ret) \
+ : "i" (__NR_##name) ASMFMT_##nr \
+ : "memory" ); \
+ _ret; })
+
+#undef INTERNAL_SYSCALL_SVC0
+#define INTERNAL_SYSCALL_SVC0(name, err, nr, args...) \
+ ({ \
+ DECLARGS_##nr(args) \
+ register unsigned long int _nr __asm__("1") = \
+ (unsigned long int)(__NR_##name); \
+ register long int _ret __asm__("2"); \
+ __asm__ __volatile__ ( \
+ "svc 0\n\t" \
+ : "=d" (_ret) \
+ : "d" (_nr) ASMFMT_##nr \
+ : "memory" ); \
+ _ret; })
+
+#undef INTERNAL_SYSCALL_NCS
+#define INTERNAL_SYSCALL_NCS(no, err, nr, args...) \
+ ({ \
+ DECLARGS_##nr(args) \
+ register unsigned long int _nr __asm__("1") = (unsigned long int)(no); \
+ register long int _ret __asm__("2"); \
+ __asm__ __volatile__ ( \
+ "svc 0\n\t" \
+ : "=d" (_ret) \
+ : "d" (_nr) ASMFMT_##nr \
+ : "memory" ); \
+ _ret; })
+
+#undef INTERNAL_SYSCALL
+#define INTERNAL_SYSCALL(name, nr, args...) \
+ (((__NR_##name) < 256) \
+ ? INTERNAL_SYSCALL_DIRECT(name, nr, args) \
+ : INTERNAL_SYSCALL_SVC0(name, nr, args))
+
+#undef INTERNAL_SYSCALL_ERROR_P
+#define INTERNAL_SYSCALL_ERROR_P(val, err) \
+ ((unsigned long int) (val) > -4096UL)
+
+#undef INTERNAL_SYSCALL_ERRNO
+#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
+
+#define DECLARGS_0()
+#define DECLARGS_1(arg1) \
+ register unsigned long int gpr2 __asm__ ("2") = (unsigned long int)(arg1);
+#define DECLARGS_2(arg1, arg2) \
+ DECLARGS_1(arg1) \
+ register unsigned long int gpr3 __asm__ ("3") = (unsigned long int)(arg2);
+#define DECLARGS_3(arg1, arg2, arg3) \
+ DECLARGS_2(arg1, arg2) \
+ register unsigned long int gpr4 __asm__ ("4") = (unsigned long int)(arg3);
+#define DECLARGS_4(arg1, arg2, arg3, arg4) \
+ DECLARGS_3(arg1, arg2, arg3) \
+ register unsigned long int gpr5 __asm__ ("5") = (unsigned long int)(arg4);
+#define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \
+ DECLARGS_4(arg1, arg2, arg3, arg4) \
+ register unsigned long int gpr6 __asm__ ("6") = (unsigned long int)(arg5);
+#define DECLARGS_6(arg1, arg2, arg3, arg4, arg5, arg6) \
+ DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \
+ register unsigned long int gpr7 __asm__ ("7") = (unsigned long int)(arg6);
+
+#define ASMFMT_0
+#define ASMFMT_1 , "0" (gpr2)
+#define ASMFMT_2 , "0" (gpr2), "d" (gpr3)
+#define ASMFMT_3 , "0" (gpr2), "d" (gpr3), "d" (gpr4)
+#define ASMFMT_4 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5)
+#define ASMFMT_5 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6)
+#define ASMFMT_6 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6), "d" (gpr7)
+
+#define SINGLE_THREAD_BY_GLOBAL 1
+
+
#define VDSO_NAME "LINUX_2.6.29"
#define VDSO_HASH 123718585
@@ -29,3 +130,5 @@
#endif
#define HAVE_GETTIMEOFDAY_VSYSCALL "__kernel_gettimeofday"
#define HAVE_GETCPU_VSYSCALL "__kernel_getcpu"
+
+#endif