[11/15] s390: Consolidate Linux syscall definition

Message ID	20200210192038.23588-11-adhemerval.zanella@linaro.org
State	New
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: domain of libc-alpha-return-109397-patch=linaro.org@sourceware.org designates 209.132.180.131 as permitted sender) client-ip=209.132.180.131; DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:in-reply-to :references; q=dns; s=default; b=b5QMcynkWXjW86gAJRZWZ0iKVrnyfNB TV4x2tWMRDtS3BBX2c1qPx1loVBZnSJoFbyYznstOQvSt/qtZ+du8u2toYU1SiQk BqHwCKWOThLY4tlHVB/u4On1xIXuXqUxoxcXwfcU5hzJ/VHHdCYnzAbxjNdWHl8W 4HwCQwEu8X1w= Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk Sender: libc-alpha-owner@sourceware.org From: Adhemerval Zanella <adhemerval.zanella@linaro.org> To: libc-alpha@sourceware.org Subject: [PATCH 11/15] s390: Consolidate Linux syscall definition Date: Mon, 10 Feb 2020 16:20:34 -0300 Message-Id: <20200210192038.23588-11-adhemerval.zanella@linaro.org> In-Reply-To: <20200210192038.23588-1-adhemerval.zanella@linaro.org> References: <20200210192038.23588-1-adhemerval.zanella@linaro.org>
Series	[01/15] powerpc: Consolidate Linux syscall definition \| expand [01/15] powerpc: Consolidate Linux syscall definition [02/15] powerpc: Use Linux kABI for syscall return [03/15] sparc: Use Linux kABI for syscall return [04/15] alpha: Refactor syscall and Use Linux kABI for syscall return [05/15] ia64: Use Linux kABI for syscall return [06/15] mips64: Consolidate Linux sysdep.h [07/15] mips: Use Linux kABI for syscall return [08/15] nios2: Use Linux kABI for syscall return [09/15] microblaze: Avoid clobbering register parameters in syscall [10/15] riscv: Avoid clobbering register parameters in syscall [11/15] s390: Consolidate Linux syscall definition [12/15] sparc: Avoid clobbering register parameters in syscall [13/15] linux: Consolidate INLINE_SYSCALL [14/15] nptl: Remove ununsed pthread-errnos.h rule [15/15] linux: Remove INTERNAL_SYSCALL_DECL

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..1df0462cc4 100644 --- a/sysdeps/unix/sysv/linux/s390/sysdep.h +++ b/sysdeps/unix/sysv/linux/s390/sysdep.h @@ -16,6 +16,106 @@ 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 _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, 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) (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 + + #define VDSO_NAME "LINUX_2.6.29" #define VDSO_HASH 123718585 @@ -29,3 +129,5 @@ #endif #define HAVE_GETTIMEOFDAY_VSYSCALL "__kernel_gettimeofday" #define HAVE_GETCPU_VSYSCALL "__kernel_getcpu" + +#endif

[11/15] s390: Consolidate Linux syscall definition

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