+1998-11-26 Ulrich Drepper <drepper@cygnus.com>
+
+ * sysdeps/mips/dl-machine.h (ELF_MACHINE_NO_PLT): New defined macro.
+ (elf_machine_got_rel): Remove scope variable. Use scope from the map.
+ Don't modify _dl_global_scope_end in the end.
+ (__dl_runtime_resolv): Also use scope from the map.
+ * sysdeps/mips/mips64/dl-machine.h: Likewise.
+ * elf/dl-runtime.c: Don't define fixup and profile_fixup if
+ ELF_MACHINE_NO_PLT is defined.
+ * sysdeps/mips/sys/ucontext.h: New file.
+ Patches by kaz Kojima <kkojima@rr.iij4u.or.jp>.
+
+1998-11-26 Andreas Jaeger <aj@arthur.rhein-neckar.de>
+
+ * sysdeps/generic/pselect.c (__pselect): Change interface,
+ set/restore sigmask.
+
+ * misc/sys/select.h: Change declaration according to Stevens' Unix
+ Network Programming.
+ * include/sys/select.h (__pselect): Likewise.
+ Reported by <bwelling@anomaly.munge.com> [PR libc/872].
+
+ * include/fpu_control.h: New file, contains __setfpucw
+ declaration.
+
+ * sysdeps/generic/fpu_control.h: Remove __setfpucw declaration,
+ it's an internal symbol.
+ * sysdeps/alpha/fpu/fpu_control.h: Likewise.
+ * sysdeps/arm/fpu/fpu_control.h: Likewise.
+ * sysdeps/i386/fpu_control.h: Likewise.
+ * sysdeps/m68k/fpu_control.h: Likewise.
+ * sysdeps/powerpc/fpu_control.h: Likewise.
+ * sysdeps/sparc/sparc32/fpu/fpu_control.h: Likewise.
+ * sysdeps/sparc/sparc64/fpu/fpu_control.h: Likewise.
+
1998-11-25 Ulrich Drepper <drepper@cygnus.com>
* version.h (VERSION): Bump to 2.0.104.
sparc-*-linux-gnu Linux-2.x on SPARC
sparc64-*-linux-gnu Linux-2.x on UltraSPARC
arm-*-none ARM standalone systems
+ arm-*-linux Linux-2.x on ARM
arm-*-linuxaout Linux-2.x on ARM using a.out binaries
Ports to other Linux platforms are in development, and may in fact work
You should always try to use the latest official release. Older versions
may not have all the features GNU libc requires. The current releases of
egcs (1.0.3 and 1.1) and GNU CC (2.8.1) should work with the GNU C library
-(for powerpc see question ?powerpc).
+(for powerpc see question ?powerpc; for ARM see question ?arm).
{ZW} You may have problems if you try to mix code compiled with
EGCS and with GCC 2.8.1. See ?exception for details.
Later versions of egcs may fix this problem.
+??arm Which tools should I use for ARM?
+
+{PB} You should use egcs 1.1 or a later version. For ELF systems some
+changes are needed to the compiler; a patch against egcs-1.1.x can be found
+at:
+
+<ftp://ftp.netwinder.org/users/p/philb/egcs-1.1.1pre2-diff-981126>
+
+Binutils 2.9.1.0.16 or later is also required.
+
?? Do I need some more things to compile the GNU C Library?
{UD} Yes, there are some more :-).
where the headers are stable. There are still lots of incompatible changes
made and the libc headers have to follow.
-Also, make sure you have a suitably recent kernel. As of the 970401
-snapshot, according to Philip Blundell <Philip.Blundell@pobox.com>, the
-required kernel version is at least 2.1.30.
+{PB} The 2.1 release of GNU libc aims to comply with the current versions of
+all the relevant standards. The IPv6 support libraries for older Linux
+systems used a different naming convention and so code written to work with
+them may need to be modified. If the standards make incompatible changes in
+the future then the libc may need to change again.
+
+IPv6 will not work with a 2.0.x kernel. When kernel 2.2 is released it
+should contain all the necessary support; until then you should use the
+latest 2.1.x release you can find. As of 98/11/26 the currently recommended
+kernel for IPv6 is 2.1.129.
+
+Also, as of the 2.1 release the IPv6 API provided by GNU libc is not
+100% complete. In particular the getipnodebyname and getipnodebyaddr
+functions are not implemented.
?? When I set the timezone by setting the TZ environment variable
to EST5EDT things go wrong since glibc computes the wrong time
-This directory contains the version 2.0.103 test release of the GNU C Library.
+This directory contains the version 2.0.104 test release of the GNU C Library.
Many bugs have been fixed since the last release.
Some bugs surely remain.
Because of the United States export restriction on DES implementations,
we are distributing this code separately from the rest of the C
library. There is an extra distribution tar file just for crypt; it is
-called `glibc-crypt-2.0.103.tar.gz'. You can just unpack the crypt
+called `glibc-crypt-2.0.104.tar.gz'. You can just unpack the crypt
distribution along with the rest of the C library and build; you can
also build the library without getting crypt. Users outside the USA
can get the crypt distribution via anonymous FTP from ftp.ifi.uio.no
to that address. Future calls will bounce directly from the PLT to the
function. */
+#ifndef ELF_MACHINE_NO_PLT
static ElfW(Addr) __attribute__ ((unused))
fixup (
-#ifdef ELF_MACHINE_RUNTIME_FIXUP_ARGS
- ELF_MACHINE_RUNTIME_FIXUP_ARGS,
-#endif
+# ifdef ELF_MACHINE_RUNTIME_FIXUP_ARGS
+ ELF_MACHINE_RUNTIME_FIXUP_ARGS,
+# endif
struct link_map *l, ElfW(Word) reloc_offset)
{
const ElfW(Sym) *const symtab
return value;
}
+#endif
-
-#ifndef PROF
+#if !defined PROF && !defined ELF_MACHINE_NO_PLT
static ElfW(Addr) __attribute__ ((unused))
profile_fixup (
return value;
}
-#endif /* PROF */
+#endif /* PROF && ELF_MACHINE_NO_PLT */
/* This macro is defined in dl-machine.h to define the entry point called
--- /dev/null
+#include_next <fpu_control.h>
+
+/* Called at startup. It can be used to manipulate fpu control register. */
+extern void __setfpucw __P ((fpu_control_t));
/* Now define the internal interfaces. */
extern int __pselect __P ((int __nfds, __fd_set *__readfds,
__fd_set *__writefds, __fd_set *__exceptfds,
- struct timespec *__timeout));
+ const struct timespec *__timeout,
+ const __sigset_t *__sigmask));
#endif
/* Get __FD_* definitions. */
#include <bits/select.h>
+/* Get __sigset_t. */
+#include <bits/sigset.h>
+
/* Get definition of timer specification structures. */
#define __need_timespec
#include <time.h>
/* XXX Once/if POSIX.1g gets official this prototype will be available
when defining __USE_POSIX. */
/* Same as above only that the TIMEOUT value is given with higher
- resolution. This version should be used. */
+ resolution and a sigmask which is been set temporarily. This version
+ should be used. */
extern int pselect __P ((int __nfds, __fd_set *__readfds,
__fd_set *__writefds, __fd_set *__exceptfds,
- struct timespec *__timeout));
+ const struct timespec *__timeout,
+ const __sigset_t *__sigmask));
#endif
__END_DECLS
/* FPU control word bits. Alpha-maped-to-Intel version.
- Copyright (C) 1996 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Olaf Flebbe.
/* Default control word set at startup. */
extern fpu_control_t __fpu_control;
-__BEGIN_DECLS
-
-/* called by start.o. It can be used to manipulate fpu control word. */
-extern void __setfpucw __P ((unsigned short));
-
-__END_DECLS
-
#endif /* _ALPHA_FPU_CONTROL */
/* Default control word set at startup. */
extern fpu_control_t __fpu_control;
-__BEGIN_DECLS
-
-/* Called at startup. It can be used to manipulate fpu control register. */
-extern void __setfpucw __P ((fpu_control_t));
-
-__END_DECLS
-
#endif /* _FPU_CONTROL_H */
/* FPU control word definitions. Stub version.
- Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998 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
/* Default control word set at startup. */
extern fpu_control_t __fpu_control;
-__BEGIN_DECLS
-
-/* Called at startup. It can be used to manipulate fpu control register. */
-extern void __setfpucw __P ((fpu_control_t));
-
-__END_DECLS
-
#endif /* _FPU_CONTROL_H */
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
Boston, MA 02111-1307, USA. */
#include <errno.h>
+#include <signal.h>
#include <sys/time.h>
#include <sys/select.h>
/* Check the first NFDS descriptors each in READFDS (if not NULL) for read
readiness, in WRITEFDS (if not NULL) for write readiness, and in EXCEPTFDS
(if not NULL) for exceptional conditions. If TIMEOUT is not NULL, time out
- after waiting the interval specified therein. Returns the number of ready
- descriptors, or -1 for errors. */
+ after waiting the interval specified therein. Additionally set the sigmask
+ SIGMASK for this call. Returns the number of ready descriptors, or -1 for
+ errors. */
int
-__pselect (nfds, readfds, writefds, exceptfds, timeout)
+__pselect (nfds, readfds, writefds, exceptfds, timeout, sigmask)
int nfds;
fd_set *readfds;
fd_set *writefds;
fd_set *exceptfds;
- struct timespec *timeout;
+ const struct timespec *timeout;
+ const sigset_t *sigmask;
{
struct timeval tval;
int retval;
+ sigset_t savemask;
/* Change nanosecond number to microseconds. This may loose
precision and therefore the `pselect` should be available. But
if (timeout != NULL)
TIMESPEC_TO_TIMEVAL (&tval, timeout);
+ /* The setting and restoring of the signal mask and the select call
+ should be an atomic operation. This can't be done without kernel
+ help. */
+ __sigprocmask (SIG_SETMASK, sigmask, &savemask);
retval = __select (nfds, readfds, writefds, exceptfds,
timeout != NULL ? &tval : NULL);
-
- /* Change the result back. The remaining time must be made
- available to the caller. */
- if (timeout != NULL)
- TIMEVAL_TO_TIMESPEC (&tval, timeout);
+ __sigprocmask (SIG_SETMASK, &savemask, NULL);
return retval;
}
/* FPU control word bits. i387 version.
- Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Olaf Flebbe.
/* Default control word set at startup. */
extern fpu_control_t __fpu_control;
-__BEGIN_DECLS
-
-/* Called at startup. It can be used to manipulate fpu control register. */
-extern void __setfpucw __P ((fpu_control_t));
-
-__END_DECLS
-
#endif /* fpu_control.h */
/* 68k FPU control word definitions.
- Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998 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
/* Default control word set at startup. */
extern fpu_control_t __fpu_control;
-__BEGIN_DECLS
-
-/* Called at startup. It can be used to manipulate fpu control register. */
-extern void __setfpucw __P ((fpu_control_t));
-
-__END_DECLS
-
#endif /* _M68K_FPU_CONTROL_H */
#define ELF_MACHINE_NAME "MIPS"
+#define ELF_MACHINE_NO_PLT
+
#include <assert.h>
#include <entry.h>
ElfW(Addr) *got;
ElfW(Sym) *sym;
int i, n;
- struct link_map **scope;
const char *strtab
= ((void *) map->l_addr + map->l_info[DT_STRTAB]->d_un.d_ptr);
({ \
const ElfW(Sym) *ref = sym; \
ElfW(Addr) sym_loadaddr; \
- sym_loadaddr = _dl_lookup_symbol (strtab + sym->st_name, &ref, scope, \
+ sym_loadaddr = _dl_lookup_symbol (strtab + sym->st_name, &ref, \
+ map->l_scope, \
map->l_name, ELF_MACHINE_RELOC_NOPLT);\
(ref)? sym_loadaddr + ref->st_value: 0; \
})
while (i < n)
got[i++] += map->l_addr;
- /* Set scope. */
- scope = _dl_object_relocation_scope (map);
-
/* Handle global got entries. */
got += n;
sym = (ElfW(Sym) *) ((void *) map->l_addr
}
#undef RESOLVE_GOTSYM
- *_dl_global_scope_end = NULL;
return;
}
const ElfW(Sym) *definer; \
ElfW(Addr) loadbase; \
ElfW(Addr) funcaddr; \
- struct link_map **scope; \
\
/* Look up the symbol's run-time value. */ \
- scope = _dl_object_relocation_scope (l); \
definer = &symtab[sym_index]; \
\
loadbase = _dl_lookup_symbol (strtab + definer->st_name, &definer, \
- scope, l->l_name, ELF_MACHINE_RELOC_NOPLT); \
- \
- *_dl_global_scope_end = NULL; \
+ l->l_scope, l->l_name, \
+ ELF_MACHINE_RELOC_NOPLT); \
\
/* Apply the relocation with that value. */ \
funcaddr = loadbase + definer->st_value; \
#define ELF_MACHINE_NAME "MIPS"
+#define ELF_MACHINE_NO_PLT
+
#include <assert.h>
#include <entry.h>
ElfW(Addr) *got;
ElfW(Sym) *sym;
int i, n;
- struct link_map **scope;
const char *strtab
= ((void *) map->l_addr + map->l_info[DT_STRTAB]->d_un.d_ptr);
({ \
const ElfW(Sym) *ref = sym; \
ElfW(Addr) sym_loadaddr; \
- sym_loadaddr = _dl_lookup_symbol (strtab + sym->st_name, &ref, scope, \
+ sym_loadaddr = _dl_lookup_symbol (strtab + sym->st_name, &ref, \
+ map->l_scope, \
map->l_name, ELF_MACHINE_RELOC_NOPLT);\
(ref)? sym_loadaddr + ref->st_value: 0; \
})
while (i < n)
got[i++] += map->l_addr;
- /* Set scope. */
- scope = _dl_object_relocation_scope (map);
-
/* Handle global got entries. */
got += n;
sym = (ElfW(Sym) *) ((void *) map->l_addr
}
#undef RESOLVE_GOTSYM
- *_dl_global_scope_end = NULL;
return;
}
const ElfW(Sym) *definer; \
ElfW(Addr) loadbase; \
ElfW(Addr) funcaddr; \
- struct link_map **scope; \
\
/* Look up the symbol's run-time value. */ \
- scope = _dl_object_relocation_scope (l); \
definer = &symtab[sym_index]; \
\
loadbase = _dl_lookup_symbol (strtab + definer->st_name, &definer, \
- scope, l->l_name, ELF_MACHINE_RELOC_NOPLT); \
- \
- *_dl_global_scope_end = NULL; \
+ l->l_scope, l->l_name, \
+ ELF_MACHINE_RELOC_NOPLT); \
\
/* Apply the relocation with that value. */ \
funcaddr = loadbase + definer->st_value; \
--- /dev/null
+/* Copyright (C) 1998 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* System V/mips ABI compliant context switching support. */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+#include <signal.h>
+
+/* Type for general register. */
+typedef unsigned int greg_t;
+
+/* Number of general registers. */
+#define NGREG 36
+
+/* Container for all general registers. */
+typedef greg_t gregset_t[NGREG];
+
+/* Number of each register is the `gregset_t' array. */
+enum
+{
+ CTX_R0 = 0,
+#define CTX_R0 CTX_R0
+ CTX_AT = 1,
+#define CTX_AT CTX_AT
+ CTX_V0 = 2,
+#define CTX_V0 CTX_V0
+ CTX_V1 = 3,
+#define CTX_V1 CTX_V1
+ CTX_A0 = 4,
+#define CTX_A0 CTX_A0
+ CTX_A1 = 5,
+#define CTX_A1 CTX_A1
+ CTX_A2 = 6,
+#define CTX_A2 CTX_A2
+ CTX_A3 = 7,
+#define CTX_A3 CTX_A3
+ CTX_T0 = 8,
+#define CTX_T0 CTX_T0
+ CTX_T1 = 9,
+#define CTX_T1 CTX_T1
+ CTX_T2 = 10,
+#define CTX_T2 CTX_T2
+ CTX_T3 = 11,
+#define CTX_T3 CTX_T3
+ CTX_T4 = 12,
+#define CTX_T4 CTX_T4
+ CTX_T5 = 13,
+#define CTX_T5 CTX_T5
+ CTX_T6 = 14,
+#define CTX_T6 CTX_T6
+ CTX_T7 = 15,
+#define CTX_T7 CTX_T7
+ CTX_S0 = 16,
+#define CTX_S0 CTX_S0
+ CTX_S1 = 17,
+#define CTX_S1 CTX_S1
+ CTX_S2 = 18,
+#define CTX_S2 CTX_S2
+ CTX_S3 = 19,
+#define CTX_S3 CTX_S3
+ CTX_S4 = 20,
+#define CTX_S4 CTX_S4
+ CTX_S5 = 21,
+#define CTX_S5 CTX_S5
+ CTX_S6 = 22,
+#define CTX_S6 CTX_S6
+ CTX_S7 = 23,
+#define CTX_S7 CTX_S7
+ CTX_T8 = 24,
+#define CTX_T8 CTX_T8
+ CTX_T9 = 25,
+#define CTX_T9 CTX_T9
+ CTX_K0 = 26,
+#define CTX_K0 CTX_K0
+ CTX_K1 = 27,
+#define CTX_K1 CTX_K1
+ CTX_GP = 28,
+#define CTX_GP CTX_GP
+ CTX_SP = 29,
+#define CTX_SP CTX_SP
+ CTX_S8 = 30,
+#define CTX_S8 CTX_S8
+ CTX_RA = 31,
+#define CTX_RA CTX_RA
+ CTX_MDLO = 32,
+#define CTX_MDLO CTX_MDLO
+ CTX_MDHI = 33,
+#define CTX_MDHI CTX_MDHI
+ CTX_CAUSE = 34,
+#define CTX_CAUSE CTX_CAUSE
+ CTX_EPC = 35,
+#define CTX_EPC CTX_EPC
+};
+
+/* Structure to describe FPU registers. */
+typedef struct fpregset
+{
+ union
+ {
+ double fp_dregs[16];
+ float fp_fregs[32];
+ unsigned int fp_regs[32];
+ } fp_r;
+ unsigned int fp_csr;
+ unsigned int fp_pad;
+} fpregset_t;
+
+/* Context to describe whole processor state. */
+typedef struct
+{
+ gregset_t gpregs;
+ fpregset_t fpregs;
+} mcontext_t;
+
+/* Userlevel context. */
+typedef struct ucontext
+{
+ unsigned long int uc_flags;
+ struct ucontext *uc_links;
+ __sigset_t uc_sigmask;
+ stack_t uc_stack;
+ mcontext_t uc_mcontext;
+ long int uc_filler[48];
+} ucontext_t;
+
+#endif /* sys/ucontext.h */
/* FPU control word definitions. PowerPC version.
- Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998 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
/* Default control word set at startup. */
extern fpu_control_t __fpu_control;
-__BEGIN_DECLS
-
-/* Called at startup. It can be used to manipulate fpu control register. */
-extern void __setfpucw __P ((fpu_control_t));
-
-__END_DECLS
-
#endif /* _FPU_CONTROL_H */
/* FPU control word bits. SPARC version.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Miguel de Icaza
/* Default control word set at startup. */
extern fpu_control_t __fpu_control;
-__BEGIN_DECLS
-
-/* Called at startup. It can be used to manipulate fpu control register. */
-extern void __setfpucw __P ((fpu_control_t));
-
-__END_DECLS
-
#endif /* fpu_control.h */
/* FPU control word bits. SPARC v9 version.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Miguel de Icaza
/* Default control word set at startup. */
extern fpu_control_t __fpu_control;
-__BEGIN_DECLS
-
-/* Called at startup. It can be used to manipulate fpu control register. */
-extern void __setfpucw __P ((fpu_control_t));
-
-__END_DECLS
-
#endif /* fpu_control.h */
projects / thirdparty / glibc.git / commitdiff
