+2019-09-17 Adhemerval Zanella <adhemerval.zanella@linaro.org>
+
+ * sysdeps/unix/make-syscalls.sh: Make vDSO call use get_vdso_symbol.
+ * sysdeps/unix/sysv/linux/aarch64/gettimeofday.c (__gettimeofday):
+ Use get_vdso_symbol instead of _dl_vdso_vsym.
+ * sysdeps/unix/sysv/linux/powerpc/time.c (time): Likewise.
+ * sysdeps/unix/sysv/linux/riscv/flush-icache.c
+ (__lookup_riscv_flush_icache): Likewise.
+ * sysdeps/unix/sysv/linux/x86/gettimeofday.c (__gettimeofday):
+ Likewise.
+ * sysdeps/unix/sysv/linux/x86/time.c (time): Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/gettimeofday.c: Likewise.
+ * sysdeps/unix/sysv/linux/aarch64/init-first.c: Likewise.
+ * sysdeps/unix/sysv/linux/arm/init-first.c: Likewise.
+ * sysdeps/unix/sysv/linux/i386/init-first.c: Likewise.
+ * sysdeps/unix/sysv/linux/mips/init-first.c: Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/init-first.c: Likewise.
+ * sysdeps/unix/sysv/linux/riscv/init-first.c: Likewise.
+ * sysdeps/unix/sysv/linux/sparc/init-first.c: Likewise.
+ * sysdeps/unix/sysv/linux/s390/init-first.c: Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/init-first.c: Likewise.
+ * sysdeps/unix/sysv/linux/aarch64/sysdep.h (VDSO_NAME, VDSO_HASH):
+ Define.
+ * sysdeps/unix/sysv/linux/arm/sysdep.h (VDSO_NAME, VDSO_HASH):
+ Likewise.
+ * sysdeps/unix/sysv/linux/i386/sysdep.h (VDSO_NAME, VDSO_HASH):
+ Likewise.
+ * sysdeps/unix/sysv/linux/riscv/sysdep.h (VDSO_NAME, VDSO_HASH):
+ Likewise.
+ * sysdeps/unix/sysv/linux/sparc/sysdep.h (VDSO_NAME, VDSO_HASH):
+ Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/sysdep.h (VDSO_NAME, VDSO_HASH):
+ Likewise.
+ * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
+ (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Remove
+ definition.
+ * sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
+ (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise.
+ * sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h
+ (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
+ (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
+ (HAVE_CLOCK_GETTIME_VSYSCALL, HAVE_GETTIMEOFDAY_VSYSCALL): Likewise.
+ * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
+ (HAVE_CLOCK_GETRES_VSYSCALL, HAVE_CLOCK_GETTIME_VSYSCALL,
+ HAVE_GETTIMEOFDAY_VSYSCALL, HAVE_GETCPU_VSYSCALL): Likewise.
+ * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
+ (HAVE_CLOCK_GETRES_VSYSCALL, HAVE_CLOCK_GETTIME_VSYSCALL,
+ HAVE_GETTIMEOFDAY_VSYSCALL, HAVE_GETCPU_VSYSCALL): Likewise.
+ * sysdeps/unix/sysv/linux/mips/sysdep.h: New file.
+ * sysdeps/unix/sysv/linux/powerpc/sysdep.h: Likewise.
+ * sysdeps/unix/sysv/linux/s390/sysdep.h: Likewise.
+ * sysdeps/unix/sysv/linux/dl-vdso.h (PREPARE_VERSION,
+ PREPARE_VERSION_KNOWN, VDSO_NAME_LINUX_2_6, VDSO_HASH_LINUX_2_6,
+ VDSO_NAME_LINUX_2_6_15, VDSO_HASH_LINUX_2_6_15,
+ VDSO_NAME_LINUX_2_6_29, VDSO_HASH_LINUX_2_6_29,
+ VDSO_NAME_LINUX_4_15, VDSO_HASH_LINUX_4_15): Remove defines.
+ (get_vdso_symbol): New function.
+
2019-09-17 Chung-Lin Tang <cltang@codesourcery.com>
* sysdeps/generic/hp-timing-common.h (HP_TIMING_PRINT): Correct
(echo '#define ${strong} __redirect_${strong}'; \\
echo '#include <dl-vdso.h>'; \\
echo '#undef ${strong}'; \\
- echo '#define vdso_ifunc_init() \\'; \\
- echo ' PREPARE_VERSION_KNOWN (symver, ${vdso_symver})'; \\
+ echo '#define vdso_ifunc_init()'; \\
echo '__ifunc (__redirect_${strong}, ${strong},'; \\
- echo ' _dl_vdso_vsym ("${vdso_symbol}", &symver), void,'; \\
+ echo ' get_vdso_symbol ("${vdso_symbol}"), void,'; \\
echo ' vdso_ifunc_init)'; \\
EOF
# This is doing "hidden_def (${strong})", but the compiler
putting it into *tv and *tz. If tz is null, *tz is not filled.
Returns 0 on success, -1 on errors. */
+#include <sys/time.h>
+
#ifdef SHARED
-# define __gettimeofday __redirect___gettimeofday
-# include <sys/time.h>
-# undef __gettimeofday
-# define HAVE_VSYSCALL
# include <dl-vdso.h>
# include <sysdep-vdso.h>
return INLINE_VSYSCALL (gettimeofday, 2, tv, tz);
}
-/* PREPARE_VERSION_KNOWN will need an __LP64__ ifdef when ILP32 support
- goes in. See _libc_vdso_platform_setup in
- sysdeps/unix/sysv/linux/aarch64/init-first.c. */
-
-# undef INIT_ARCH
-# define INIT_ARCH() \
- PREPARE_VERSION_KNOWN (linux_version, LINUX_2_6_39); \
- void *vdso_gettimeofday = \
- _dl_vdso_vsym ("__kernel_gettimeofday", &linux_version);
-
-libc_ifunc_hidden (__redirect___gettimeofday, __gettimeofday,
- vdso_gettimeofday ?: (void *) __gettimeofday_vsyscall)
-
-__hidden_ver1 (__gettimeofday_vsyscall, __GI___gettimeofday,
- __gettimeofday_vsyscall);
+# define INIT_ARCH()
+libc_ifunc_hidden (__gettimeofday, __gettimeofday,
+ (get_vdso_symbol ("__kernel_gettimeofday")
+ ?: __gettimeofday_vsyscall))
+libc_hidden_def (__gettimeofday)
#else
-# include <sys/time.h>
# include <sysdep.h>
int
__gettimeofday (struct timeval *tv, struct timezone *tz)
static inline void
_libc_vdso_platform_setup (void)
{
-#ifdef __LP64__
- PREPARE_VERSION_KNOWN (linux_version, LINUX_2_6_39);
-#else
- PREPARE_VERSION_KNOWN (linux_version, LINUX_4_9);
-#endif
-
- void *p = _dl_vdso_vsym ("__kernel_gettimeofday", &linux_version);
+ void *p = get_vdso_symbol ("__kernel_gettimeofday");
PTR_MANGLE (p);
VDSO_SYMBOL(gettimeofday) = p;
- p = _dl_vdso_vsym ("__kernel_clock_gettime", &linux_version);
+ p = get_vdso_symbol ("__kernel_clock_gettime");
PTR_MANGLE (p);
VDSO_SYMBOL(clock_gettime) = p;
- p = _dl_vdso_vsym ("__kernel_clock_getres", &linux_version);
+ p = get_vdso_symbol ("__kernel_clock_getres");
PTR_MANGLE (p);
VDSO_SYMBOL(clock_getres) = p;
}
#else /* not __ASSEMBLER__ */
+# ifdef __LP64__
+# define VDSO_NAME "LINUX_2.6.39"
+# define VDSO_HASH 123718537
+# else
+# define VDSO_NAME "LINUX_4.9"
+# define VDSO_HASH 61765625
+# endif
/* List of system calls which are supported as vsyscalls. */
# define HAVE_CLOCK_GETRES_VSYSCALL 1
static inline void
_libc_vdso_platform_setup (void)
{
- PREPARE_VERSION_KNOWN (linux26, LINUX_2_6);
-
- void *p = _dl_vdso_vsym ("__vdso_gettimeofday", &linux26);
+ void *p = get_vdso_symbol ("__vdso_gettimeofday");
PTR_MANGLE (p);
VDSO_SYMBOL (gettimeofday) = p;
- p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux26);
+ p = get_vdso_symbol ("__vdso_clock_gettime");
PTR_MANGLE (p);
VDSO_SYMBOL (clock_gettime) = p;
}
#undef INTERNAL_SYSCALL_ERRNO
#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
+#define VDSO_NAME "LINUX_2.6"
+#define VDSO_HASH 61765110
+
/* List of system calls which are supported as vsyscalls. */
#define HAVE_CLOCK_GETTIME_VSYSCALL 1
#define HAVE_GETTIMEOFDAY_VSYSCALL 1
#include <assert.h>
#include <ldsodefs.h>
#include <dl-hash.h>
-
-/* Create version number record for lookup. */
-static inline struct r_found_version
-prepare_version_base (const char *name, ElfW(Word) hash)
-{
- assert (hash == _dl_elf_hash (name));
- return (struct r_found_version) { name, hash, 1, NULL };
-}
-#define prepare_version(vname) \
- prepare_version_base (VDSO_NAME_##vname, VDSO_HASH_##vname)
-
-/* Use this for the known version sets defined below, where we
- record their precomputed hash values only once, in this file. */
-#define PREPARE_VERSION_KNOWN(var, vname) \
- struct r_found_version var = prepare_version (vname);
-
-#define VDSO_NAME_LINUX_2_6 "LINUX_2.6"
-#define VDSO_HASH_LINUX_2_6 61765110
-#define VDSO_NAME_LINUX_2_6_15 "LINUX_2.6.15"
-#define VDSO_HASH_LINUX_2_6_15 123718565
-#define VDSO_NAME_LINUX_2_6_29 "LINUX_2.6.29"
-#define VDSO_HASH_LINUX_2_6_29 123718585
-#define VDSO_NAME_LINUX_2_6_39 "LINUX_2.6.39"
-#define VDSO_HASH_LINUX_2_6_39 123718537
-#define VDSO_NAME_LINUX_4 "LINUX_4"
-#define VDSO_HASH_LINUX_4 14921332
-#define VDSO_NAME_LINUX_4_9 "LINUX_4.9"
-#define VDSO_HASH_LINUX_4_9 61765625
-#define VDSO_NAME_LINUX_4_15 "LINUX_4.15"
-#define VDSO_HASH_LINUX_4_15 182943605
+#include <libc-vdso.h>
/* Functions for resolving symbols in the VDSO link map. */
extern void *_dl_vdso_vsym (const char *name,
const struct r_found_version *version)
attribute_hidden;
+static inline void *
+get_vdso_symbol (const char *symbol)
+{
+ struct r_found_version rfv = { VDSO_NAME, VDSO_HASH, 1, NULL };
+ return _dl_vdso_vsym (symbol, &rfv);
+}
+
#endif /* dl-vdso.h */
static inline void
__vdso_platform_setup (void)
{
- PREPARE_VERSION_KNOWN (linux26, LINUX_2_6);
-
- void *p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux26);
+ void *p = get_vdso_symbol ("__vdso_clock_gettime");
if (p == NULL)
p = clock_gettime_syscall;
PTR_MANGLE (p);
#define INLINE_SYSCALL_ERROR_RETURN_VALUE(resultvar) \
__syscall_error (-(resultvar))
+# define VDSO_NAME "LINUX_2.6"
+# define VDSO_HASH 61765110
+
/* List of system calls which are supported as vsyscalls. */
# define HAVE_CLOCK_GETTIME_VSYSCALL 1
# define HAVE_GETTIMEOFDAY_VSYSCALL 1
static inline void
_libc_vdso_platform_setup (void)
{
- PREPARE_VERSION_KNOWN (linux26, LINUX_2_6);
-
- void *p = _dl_vdso_vsym ("__vdso_gettimeofday", &linux26);
+ void *p = get_vdso_symbol ("__vdso_gettimeofday");
PTR_MANGLE (p);
VDSO_SYMBOL (gettimeofday) = p;
- p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux26);
+ p = get_vdso_symbol ("__vdso_clock_gettime");
PTR_MANGLE (p);
VDSO_SYMBOL (clock_gettime) = p;
}
#define _LINUX_MIPS_MIPS32_SYSDEP_H 1
/* There is some commonality. */
+#include <sysdeps/unix/sysv/linux/mips/sysdep.h>
#include <sysdeps/unix/sysv/linux/sysdep.h>
#include <sysdeps/unix/mips/mips32/sysdep.h>
_ret; \
})
-/* List of system calls which are supported as vsyscalls. */
-#define HAVE_CLOCK_GETTIME_VSYSCALL 1
-#define HAVE_GETTIMEOFDAY_VSYSCALL 1
-
#endif /* __ASSEMBLER__ */
/* Pointer mangling is not yet supported for MIPS. */
#define _LINUX_MIPS_SYSDEP_H 1
/* There is some commonality. */
+#include <sysdeps/unix/sysv/linux/mips/sysdep.h>
#include <sysdeps/unix/sysv/linux/sysdep.h>
#include <sysdeps/unix/mips/mips64/n32/sysdep.h>
_ret; \
})
-/* List of system calls which are supported as vsyscalls. */
-#define HAVE_CLOCK_GETTIME_VSYSCALL 1
-#define HAVE_GETTIMEOFDAY_VSYSCALL 1
-
#endif /* __ASSEMBLER__ */
/* Pointer mangling is not yet supported for MIPS. */
#define _LINUX_MIPS_SYSDEP_H 1
/* There is some commonality. */
+#include <sysdeps/unix/sysv/linux/mips/sysdep.h>
#include <sysdeps/unix/sysv/linux/sysdep.h>
#include <sysdeps/unix/mips/mips64/n64/sysdep.h>
_ret; \
})
-/* List of system calls which are supported as vsyscalls. */
-#define HAVE_CLOCK_GETTIME_VSYSCALL 1
-#define HAVE_GETTIMEOFDAY_VSYSCALL 1
-
#endif /* __ASSEMBLER__ */
/* Pointer mangling is not yet supported for MIPS. */
--- /dev/null
+/* Syscall definitions, Linux MIPS generic version.
+ Copyright (C) 2019 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define VDSO_NAME "LINUX_2.6"
+#define VDSO_HASH 61765110
+
+/* List of system calls which are supported as vsyscalls. */
+#define HAVE_CLOCK_GETTIME_VSYSCALL 1
+#define HAVE_GETTIMEOFDAY_VSYSCALL 1
return INLINE_SYSCALL (gettimeofday, 2, tv, tz);
}
-# define INIT_ARCH() \
- PREPARE_VERSION_KNOWN (linux2615, LINUX_2_6_15); \
- void *vdso_gettimeofday = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2615);
+# define INIT_ARCH() \
+ void *vdso_gettimeofday = get_vdso_symbol ("__kernel_gettimeofday")
/* If the vDSO is not available we fall back syscall. */
libc_ifunc_hidden (__redirect___gettimeofday, __gettimeofday,
static inline void
_libc_vdso_platform_setup (void)
{
- PREPARE_VERSION_KNOWN (linux2615, LINUX_2_6_15);
-
- void *p = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2615);
+ void *p = get_vdso_symbol ("__kernel_gettimeofday");
PTR_MANGLE (p);
VDSO_SYMBOL (gettimeofday) = p;
- p = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2615);
+ p = get_vdso_symbol ("__kernel_clock_gettime");
PTR_MANGLE (p);
VDSO_SYMBOL (clock_gettime) = p;
- p = _dl_vdso_vsym ("__kernel_clock_getres", &linux2615);
+ p = get_vdso_symbol ("__kernel_clock_getres");
PTR_MANGLE (p);
VDSO_SYMBOL (clock_getres) = p;
- p = _dl_vdso_vsym ("__kernel_get_tbfreq", &linux2615);
+ p = get_vdso_symbol ("__kernel_get_tbfreq");
PTR_MANGLE (p);
VDSO_SYMBOL (get_tbfreq) = p;
- p = _dl_vdso_vsym ("__kernel_getcpu", &linux2615);
+ p = get_vdso_symbol ("__kernel_getcpu");
PTR_MANGLE (p);
VDSO_SYMBOL (getcpu) = p;
- p = _dl_vdso_vsym ("__kernel_time", &linux2615);
+ p = get_vdso_symbol ("__kernel_time");
PTR_MANGLE (p);
VDSO_SYMBOL (time) = p;
There is no need to pointer mangle these symbol because they will
used only for pointer comparison. */
#if defined(__PPC64__) || defined(__powerpc64__)
- VDSO_SYMBOL(sigtramp_rt64) = _dl_vdso_vsym ("__kernel_sigtramp_rt64",
- &linux2615);
+ VDSO_SYMBOL(sigtramp_rt64) = get_vdso_symbol ("__kernel_sigtramp_rt64");
#else
- VDSO_SYMBOL(sigtramp32) = _dl_vdso_vsym ("__kernel_sigtramp32", &linux2615);
- VDSO_SYMBOL(sigtramp_rt32) = _dl_vdso_vsym ("__kernel_sigtramp_rt32",
- &linux2615);
+ VDSO_SYMBOL(sigtramp32) = get_vdso_symbol ("__kernel_sigtramp32");
+ VDSO_SYMBOL(sigtramp_rt32) = get_vdso_symbol ("__kernel_sigtramp_rt32");
#endif
}
#ifndef _LINUX_POWERPC_SYSDEP_H
#define _LINUX_POWERPC_SYSDEP_H 1
+#include <sysdeps/unix/sysv/linux/powerpc/sysdep.h>
#include <sysdeps/unix/sysv/linux/sysdep.h>
#include <sysdeps/unix/powerpc/sysdep.h>
#include <tls.h>
sc_ret; \
})
-/* List of system calls which are supported as vsyscalls. */
-# define HAVE_CLOCK_GETRES_VSYSCALL 1
-# define HAVE_CLOCK_GETTIME_VSYSCALL 1
-# define HAVE_GETCPU_VSYSCALL 1
-
-
# define LOADARGS_0(name, dummy) \
r0 = name
# define LOADARGS_1(name, __arg1) \
#ifndef _LINUX_POWERPC_SYSDEP_H
#define _LINUX_POWERPC_SYSDEP_H 1
+#include <sysdeps/unix/sysv/linux/powerpc/sysdep.h>
#include <sysdeps/unix/sysv/linux/sysdep.h>
#include <sysdeps/unix/powerpc/sysdep.h>
#include <tls.h>
sc_ret; \
})
-/* List of system calls which are supported as vsyscalls. */
-#define HAVE_CLOCK_GETRES_VSYSCALL 1
-#define HAVE_CLOCK_GETTIME_VSYSCALL 1
-#define HAVE_GETCPU_VSYSCALL 1
-
/* Define a macro which expands inline into the wrapper code for a system
call. This use is for internal calls that do not need to handle errors
normally. It will never touch errno. This returns just what the kernel
--- /dev/null
+/* Syscall definitions, Linux PowerPC generic version.
+ Copyright (C) 2019 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define VDSO_NAME "LINUX_2.6.15"
+#define VDSO_HASH 123718565
+
+/* List of system calls which are supported as vsyscalls. */
+#define HAVE_CLOCK_GETRES_VSYSCALL 1
+#define HAVE_CLOCK_GETTIME_VSYSCALL 1
+#define HAVE_GETCPU_VSYSCALL 1
return result;
}
-# define INIT_ARCH() \
- PREPARE_VERSION_KNOWN (linux2615, LINUX_2_6_15); \
- void *vdso_time = _dl_vdso_vsym ("__kernel_time", &linux2615);
+# define INIT_ARCH() \
+ void *vdso_time = get_vdso_symbol ("__kernel_time");
/* If the vDSO is not available we fall back to the syscall. */
libc_ifunc_hidden (__redirect_time, time,
static func_type
__lookup_riscv_flush_icache (void)
{
- PREPARE_VERSION_KNOWN (linux_version, LINUX_4_15);
-
- func_type func = _dl_vdso_vsym ("__vdso_flush_icache", &linux_version);
+ func_type func = get_vdso_symbol ("__vdso_flush_icache");
/* If there is no vDSO entry then call the system call directly. All Linux
versions provide the vDSO entry, but QEMU's user-mode emulation doesn't
static inline void
_libc_vdso_platform_setup (void)
{
- PREPARE_VERSION_KNOWN (linux_version, LINUX_4_15);
-
- void *p = _dl_vdso_vsym ("__vdso_getcpu", &linux_version);
+ void *p = get_vdso_symbol ("__vdso_getcpu");
PTR_MANGLE (p);
VDSO_SYMBOL (getcpu) = p;
- p = _dl_vdso_vsym ("__vdso_gettimeofday", &linux_version);
+ p = get_vdso_symbol ("__vdso_gettimeofday");
PTR_MANGLE (p);
VDSO_SYMBOL (gettimeofday) = p;
- p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux_version);
+ p = get_vdso_symbol ("__vdso_clock_gettime");
PTR_MANGLE (p);
VDSO_SYMBOL (clock_gettime) = p;
- p = _dl_vdso_vsym ("__vdso_clock_getres", &linux_version);
+ p = get_vdso_symbol ("__vdso_clock_getres");
PTR_MANGLE (p);
VDSO_SYMBOL (clock_getres) = p;
}
#ifndef __ASSEMBLER__
+# define VDSO_NAME "LINUX_4.15"
+# define VDSO_HASH 182943605
+
/* List of system calls which are supported as vsyscalls. */
# define HAVE_CLOCK_GETRES_VSYSCALL 1
# define HAVE_CLOCK_GETTIME_VSYSCALL 1
static inline void
_libc_vdso_platform_setup (void)
{
- PREPARE_VERSION_KNOWN (linux2629, LINUX_2_6_29);
-
- void *p = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2629);
+ void *p = get_vdso_symbol ("__kernel_gettimeofday");
PTR_MANGLE (p);
VDSO_SYMBOL (gettimeofday) = p;
- p = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2629);
+ p = get_vdso_symbol ("__kernel_clock_gettime");
PTR_MANGLE (p);
VDSO_SYMBOL (clock_gettime) = p;
- p = _dl_vdso_vsym ("__kernel_clock_getres", &linux2629);
+ p = get_vdso_symbol ("__kernel_clock_getres");
PTR_MANGLE (p);
VDSO_SYMBOL (clock_getres) = p;
- p = _dl_vdso_vsym ("__kernel_getcpu", &linux2629);
+ p = get_vdso_symbol ("__kernel_getcpu");
PTR_MANGLE (p);
VDSO_SYMBOL (getcpu) = p;
}
#include <sysdeps/s390/s390-32/sysdep.h>
#include <sysdeps/unix/sysdep.h>
+#include <sysdeps/unix/sysv/linux/s390/sysdep.h>
#include <sysdeps/unix/sysv/linux/sysdep.h>
#include <dl-sysdep.h> /* For RTLD_PRIVATE_ERRNO. */
#include <tls.h>
#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)
-/* List of system calls which are supported as vsyscalls. */
-#define HAVE_CLOCK_GETRES_VSYSCALL 1
-#define HAVE_CLOCK_GETTIME_VSYSCALL 1
-#define HAVE_GETTIMEOFDAY_VSYSCALL 1
-#define HAVE_GETCPU_VSYSCALL 1
-
/* Pointer mangling support. */
#if IS_IN (rtld)
/* We cannot use the thread descriptor because in ld.so we use setjmp
#include <sysdeps/s390/s390-64/sysdep.h>
#include <sysdeps/unix/sysdep.h>
+#include <sysdeps/unix/sysv/linux/s390/sysdep.h>
#include <sysdeps/unix/sysv/linux/sysdep.h>
#include <dl-sysdep.h> /* For RTLD_PRIVATE_ERRNO. */
#include <tls.h>
#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)
-/* List of system calls which are supported as vsyscalls. */
-#define HAVE_CLOCK_GETRES_VSYSCALL 1
-#define HAVE_CLOCK_GETTIME_VSYSCALL 1
-#define HAVE_GETTIMEOFDAY_VSYSCALL 1
-#define HAVE_GETCPU_VSYSCALL 1
-
#define SINGLE_THREAD_BY_GLOBAL 1
/* Pointer mangling support. */
--- /dev/null
+/* Syscall definitions, Linux s390 version.
+ Copyright (C) 2019 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define VDSO_NAME "LINUX_2.6.29"
+#define VDSO_HASH 123718585
+
+/* List of system calls which are supported as vsyscalls. */
+#define HAVE_CLOCK_GETRES_VSYSCALL 1
+#define HAVE_CLOCK_GETTIME_VSYSCALL 1
+#define HAVE_GETTIMEOFDAY_VSYSCALL 1
+#define HAVE_GETCPU_VSYSCALL 1
static inline void
_libc_vdso_platform_setup (void)
{
- PREPARE_VERSION_KNOWN (linux_version, LINUX_2_6);
-
- void *p = _dl_vdso_vsym ("__vdso_gettimeofday", &linux_version);
+ void *p = get_vdso_symbol ("__vdso_gettimeofday");
PTR_MANGLE (p);
VDSO_SYMBOL (gettimeofday) = p;
- p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux_version);
+ p = get_vdso_symbol ("__vdso_clock_gettime");
PTR_MANGLE (p);
VDSO_SYMBOL (clock_gettime) = p;
}
_ret; \
})
+# define VDSO_NAME "LINUX_2.6"
+# define VDSO_HASH 61765110
+
/* List of system calls which are supported as vsyscalls. */
# define HAVE_CLOCK_GETTIME_VSYSCALL 1
# define HAVE_GETTIMEOFDAY_VSYSCALL 1
# include <dl-vdso.h>
# include <errno.h>
+# include <sysdep-vdso.h>
+# include <sysdep-vdso.h>
static int
__gettimeofday_syscall (struct timeval *tv, struct timezone *tz)
# define __gettimeofday_type __gettimeofday
# endif
-# undef INIT_ARCH
-# define INIT_ARCH() PREPARE_VERSION_KNOWN (linux26, LINUX_2_6)
+# define INIT_ARCH()
/* If the vDSO is not available we fall back to syscall. */
libc_ifunc_hidden (__gettimeofday_type, __gettimeofday,
- (_dl_vdso_vsym ("__vdso_gettimeofday", &linux26)
- ?: &__gettimeofday_syscall))
+ (get_vdso_symbol ("__vdso_gettimeofday")
+ ?: __gettimeofday_syscall));
libc_hidden_def (__gettimeofday)
#else
#include <dl-vdso.h>
#include <errno.h>
+#include <sysdep-vdso.h>
static time_t
__time_syscall (time_t *t)
# endif
#undef INIT_ARCH
-#define INIT_ARCH() PREPARE_VERSION_KNOWN (linux26, LINUX_2_6);
+#define INIT_ARCH()
/* If the vDSO is not available we fall back on the syscall. */
libc_ifunc_hidden (time_type, time,
- (_dl_vdso_vsym ("__vdso_time", &linux26)
- ?: &__time_syscall))
+ (get_vdso_symbol ("__vdso_time") ?: __time_syscall))
libc_hidden_def (time)
#else
static inline void
__vdso_platform_setup (void)
{
- PREPARE_VERSION_KNOWN (linux26, LINUX_2_6);
-
- void *p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux26);
+ void *p = get_vdso_symbol ("__vdso_clock_gettime");
if (p == NULL)
p = __syscall_clock_gettime;
PTR_MANGLE (p);
VDSO_SYMBOL(clock_gettime) = p;
- p = _dl_vdso_vsym ("__vdso_getcpu", &linux26);
+ p = get_vdso_symbol ("__vdso_getcpu");
PTR_MANGLE (p);
VDSO_SYMBOL(getcpu) = p;
}
# undef INTERNAL_SYSCALL_ERRNO
# define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
+# define VDSO_NAME "LINUX_2.6"
+# define VDSO_HASH 61765110
+
/* List of system calls which are supported as vsyscalls. */
# define HAVE_CLOCK_GETTIME_VSYSCALL 1
# define HAVE_GETTIMEOFDAY_VSYSCALL 1
projects / thirdparty / glibc.git / commitdiff
