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Update.
2002-11-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Handle __NR_pread64 and __NR_pwrite64. * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/pread.c: Remove __NR_pread64 and __NR_pwrite64. Revert change to use INLINE_SYSCALL. * sysdeps/unix/sysv/linux/powerpc/pread64.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/pwrite.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/pwrite64.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/ftruncate64.c: Revert change to use INLINE_SYSCALL. * sysdeps/unix/sysv/linux/powerpc/truncate64.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h (INLINE_SYSCALL): Update clobber list and add a comment about the syscall ABI.
This commit is contained in:
Ulrich Drepper
parent
f6e50e66ad
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5bfed16d69
18
ChangeLog
18
ChangeLog
@ -1,3 +1,21 @@
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2002-11-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Handle
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__NR_pread64 and __NR_pwrite64.
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* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/powerpc/pread.c: Remove __NR_pread64
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and __NR_pwrite64.
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Revert change to use INLINE_SYSCALL.
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* sysdeps/unix/sysv/linux/powerpc/pread64.c: Likewise.
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* sysdeps/unix/sysv/linux/powerpc/pwrite.c: Likewise.
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* sysdeps/unix/sysv/linux/powerpc/pwrite64.c: Likewise.
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* sysdeps/unix/sysv/linux/powerpc/ftruncate64.c: Revert change to use
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INLINE_SYSCALL.
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* sysdeps/unix/sysv/linux/powerpc/truncate64.c: Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h (INLINE_SYSCALL):
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Update clobber list and add a comment about the syscall ABI.
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2002-11-05 Jakub Jelinek <jakub@redhat.com>
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* iconv/gconv_dl.c (free_mem): Clear loaded.
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@ -47,7 +47,7 @@ __ftruncate64 (fd, length)
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#ifndef __ASSUME_TRUNCATE64_SYSCALL
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int saved_errno = errno;
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#endif
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int result = INLINE_SYSCALL (ftruncate64, 2, fd, length);
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int result = __syscall_ftruncate64 (fd, length);
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#ifndef __ASSUME_TRUNCATE64_SYSCALL
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if (result != -1 || errno != ENOSYS)
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@ -21,6 +21,24 @@
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#include <sysdeps/unix/powerpc/sysdep.h>
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/* Some systen calls got renamed over time, but retained the same semantics.
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Handle them here so they can be catched by both C and assembler stubs in
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glibc. */
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#ifdef __NR_pread64
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# ifdef __NR_pread
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# error "__NR_pread and __NR_pread64 both defined???"
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# endif
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# define __NR_pread __NR_pread64
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#endif
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#ifdef __NR_pwrite64
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# ifdef __NR_pwrite
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# error "__NR_pwrite and __NR_pwrite64 both defined???"
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# endif
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# define __NR_pwrite __NR_pwrite64
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#endif
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/* For Linux we can use the system call table in the header file
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/usr/include/asm/unistd.h
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of the kernel. But these symbols do not follow the SYS_* syntax
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@ -36,6 +54,11 @@
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# include <errno.h>
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/* On powerpc a system call basically clobbers the same registers like a
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function call, with the exception of LR (which is needed for the
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"sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
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an error return status). */
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# undef INLINE_SYSCALL
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# define INLINE_SYSCALL(name, nr, args...) \
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({ \
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@ -59,7 +82,7 @@
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"=&r" (r3), "=&r" (r4), "=&r" (r5), "=&r" (r6), "=&r" (r7), \
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"=&r" (r8), "=&r" (r9), "=&r" (r10), "=&r" (r11), "=&r" (r12) \
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: ASM_INPUT_##nr \
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: "cc", "memory"); \
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: "cr0", "ctr", "memory"); \
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err = r0; \
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ret = r3; \
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if (err & (1 << 28)) \
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@ -29,6 +29,24 @@
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#include <errno.h>
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#endif
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/* Some systen calls got renamed over time, but retained the same semantics.
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Handle them here so they can be catched by both C and assembler stubs in
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glibc. */
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#ifdef __NR_pread64
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# ifdef __NR_pread
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# error "__NR_pread and __NR_pread64 both defined???"
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# endif
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# define __NR_pread __NR_pread64
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#endif
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#ifdef __NR_pwrite64
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# ifdef __NR_pwrite
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# error "__NR_pwrite and __NR_pwrite64 both defined???"
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# endif
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# define __NR_pwrite __NR_pwrite64
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#endif
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/* For Linux we can use the system call table in the header file
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/usr/include/asm/unistd.h
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of the kernel. But these symbols do not follow the SYS_* syntax
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@ -24,13 +24,6 @@
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#include <sys/syscall.h>
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#include <bp-checks.h>
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#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */
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# ifdef __NR_pread
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# error "__NR_pread and __NR_pread64 both defined???"
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# endif
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# define __NR_pread __NR_pread64
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#endif
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#ifdef __NR_pread
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extern ssize_t __syscall_pread (int fd, void *buf, size_t count,
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@ -50,7 +43,7 @@ __libc_pread (fd, buf, count, offset)
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ssize_t result;
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/* First try the syscall. */
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result = INLINE_SYSCALL (pread, 4, fd, CHECK_N (buf, count), count, offset);
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result = __syscall_pread (fd, CHECK_N (buf, count), count, (off64_t) offset);
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if (result == -1 && errno == ENOSYS)
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/* No system call available. Use the emulation. */
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result = __emulate_pread (fd, buf, count, offset);
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@ -24,13 +24,6 @@
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#include <sys/syscall.h>
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#include <bp-checks.h>
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#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */
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# ifdef __NR_pread
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# error "__NR_pread and __NR_pread64 both defined???"
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# endif
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# define __NR_pread __NR_pread64
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#endif
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#ifdef __NR_pread
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extern ssize_t __syscall_pread (int fd, void *buf, size_t count,
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@ -50,7 +43,7 @@ __libc_pread64 (fd, buf, count, offset)
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ssize_t result;
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/* First try the syscall. */
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result = INLINE_SYSCALL (pread, 4, fd, CHECK_N (buf, count), count, offset);
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result = __syscall_pread (fd, CHECK_N (buf, count), count, offset);
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if (result == -1 && errno == ENOSYS)
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/* No system call available. Use the emulation. */
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result = __emulate_pread64 (fd, buf, count, offset);
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@ -24,13 +24,6 @@
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#include <sys/syscall.h>
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#include <bp-checks.h>
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#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */
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# ifdef __NR_pwrite
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# error "__NR_pwrite and __NR_pwrite64 both defined???"
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# endif
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# define __NR_pwrite __NR_pwrite64
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#endif
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#ifdef __NR_pwrite
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extern ssize_t __syscall_pwrite (int fd, const void *buf, size_t count,
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@ -50,7 +43,7 @@ __libc_pwrite (fd, buf, count, offset)
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ssize_t result;
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/* First try the syscall. */
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result = INLINE_SYSCALL (pwrite, 4, fd, CHECK_N (buf, count), count, offset);
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result = __syscall_pwrite (fd, CHECK_N (buf, count), count, (off64_t) offset);
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if (result == -1 && errno == ENOSYS)
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/* No system call available. Use the emulation. */
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result = __emulate_pwrite (fd, buf, count, offset);
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@ -24,13 +24,6 @@
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#include <sys/syscall.h>
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#include <bp-checks.h>
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#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */
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# ifdef __NR_pwrite
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# error "__NR_pwrite and __NR_pwrite64 both defined???"
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# endif
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# define __NR_pwrite __NR_pwrite64
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#endif
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#ifdef __NR_pwrite
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extern ssize_t __syscall_pwrite (int fd, const void *buf, size_t count,
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@ -50,7 +43,7 @@ __libc_pwrite64 (fd, buf, count, offset)
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ssize_t result;
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/* First try the syscall. */
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result = INLINE_SYSCALL (pwrite, 4, fd, CHECK_N (buf, count), count, offset);
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result = __syscall_pwrite (fd, CHECK_N (buf, count), count, offset);
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if (result == -1 && errno == ENOSYS)
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/* No system call available. Use the emulation. */
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result = __emulate_pwrite64 (fd, buf, count, offset);
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@ -48,7 +48,7 @@ truncate64 (path, length)
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#ifndef __ASSUME_TRUNCATE64_SYSCALL
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int saved_errno = errno;
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#endif
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int result = INLINE_SYSCALL (truncate64, 2, CHECK_STRING (path), length);
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int result = __syscall_truncate64 (CHECK_STRING (path), length);
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#ifndef __ASSUME_TRUNCATE64_SYSCALL
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if (result != -1 || errno != ENOSYS)
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