diff options
47 files changed, 328 insertions, 221 deletions
@@ -19,6 +19,109 @@ Wed Jun 19 03:24:58 1996 Ulrich Drepper <drepper@cygnus.com> * locale/setlocale.c (setlocale): Initialize local variables to prevent warnings. +Thu Jun 13 17:25:11 1996 David Mosberger-Tang <davidm@azstarnet.com> + + * sysdeps/generic/memcmp.c: Add prototype decls for internal fns. + + * locale/programs/locale.c: Include string.h. + + * sunrpc/xdr_stdio.c (xdrstdio_getlong), sunrpc/xdr_rec.c + (xdrrec_getlong), sunrpc/xdr_mem.c (xdrmem_getlong): Make sure + appropriate sign-extension is performed on machines with + sizeof(long) > 4. + + * sunrpc/xdr.c (xdr_int, xdr_u_int): If sizeof(long)==8 and + sizeof(int)<sizeof(long), we need to go through a temporary + variable. + + * locale/programs/ld-numeric.c: Include <alloca.h> + + * libio/stdio.h (__libc_fatal): Add prototype. + + * libio/cleanup.c: Use __P() to declare prototype when __STDC__ is + in efect. + + * libio/iopopen.c (read_or_write, parent_end, child_end): Declare + volatile to avoid "might get clobbered by longjmp" warning. + + * features.h (__KERNEL_STRICT_NAMES): Define __KERNEL_STRICT_NAMES + unless _LOOSE_KERNEL_NAMES is in effect (which, with high + probability is a sure loser). + * sysdeps/unix/sysv/linux/gnu/types.h (__KERNEL_STRICT_NAMES): Remove. + + * sysdeps/unix/bsd/osf/alpha/start.S (errno): Removed. + * sysdeps/unix/sysv/linux/alpha/start.S: Ditto. + + * misc/paths.h (_PATH_MAN): Change from /usr/share/man to /usr/man + to be Linux FSSTND compliant. + +Mon Jun 10 17:50:31 1996 David Mosberger-Tang <davidm@azstarnet.com> + + * sysdeps/unix/sysv/linux/alpha/pipe.S: Use PSEUDO. + + * sysdeps/unix/sysv/linux/alpha/sysdep.S, + sysdeps/unix/sysv/linux/alpha/brk.S, + sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S, + sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S, + sysdeps/unix/sysv/linux/alpha/llseek.S, + sysdeps/unix/sysv/linux/alpha/sigsuspend.S, + sysdeps/unix/sysv/linux/alpha/syscall.S: Rename syscall_error to + __syscall_error to avoid intruding application name space. + + * sysdeps/unix/sysv/linux/alpha/sysdep.h: Rename __NR_get?id + to SYS_get?id so that syscall stubs in sysdeps/unix define + these syscalls in terms of getxpid/getxuid/getxgid. + + * sysdeps/unix/_exit.S, sysdeps/unix/getegid.S, + sysdeps/unix/geteuid.S, sysdeps/unix/getppid.S, + sysdeps/unix/execve.S, sysdeps/unix/fork.S, + sysdeps/unix/syscall.S: Terminate syscall with PSEUDO_END. + + * sysdeps/unix/make-syscalls.sh, sysdeps/unix/sysdep.h + (PSEUDO_END): Rename END() to PSEUDO_END(). + + * sysdeps/unix/alpha/sysdep.h: Move error-handling code in PSEUDO + to PSEUDO_END to improve branch-prediction. Include .frame + directive to make syscalls debugabble. + (PSEUDO_END): New macro. + + * sysdeps/unix/alpha/sysdep.h, sysdeps/alpha/bb_init_func.S, + sysdeps/unix/sysv/linux/alpha/brk.S: Use ldiq instead of ldi since + latter is illegal under DEC Unix. + + * sysdeps/unix/alpha/sysdep.S: Renamed from + sysdeps/unix/sysv/linux/alpha/sysdep.S. This file works for OSF/1 + as well. + * sysdeps/unix/bsd/osf/alpha/sysdep.S: Remove (note that the + EWOULDBLOCK -> EAGAIN mapping was unnecessary since + EWOULDBLOCK==EAGAIN under DEC Unix and Linux/Alpha). + + * sysdeps/alpha/divrem.h: Use retaddr instead of ra as the return + address register in the .frame directive. + + * sysdeps/alpha/copysign.c: Remove. + + * sunrpc/rpc/types.h: Include <sys/param.h> and <netinet/in.h> to + avoid RPC definitions of INADDR_LOOPBACK and/or MAXHOSTNAMELEN. + + * errno.h: Move __END_DECLS to correct place to make file + compilable under c++. + + * dirent/dirent.h: Document _DIRENT_HAVE_D_OFF macro. Define + d_ino only if <direntry.h> hasn't defined d_fileno. + + * configure.in (HAVE_ASM_WEAKEXT_DIRECTIVE): Reverse order of + arguments to weakext to make .weakext detection work on ECOFF systems. + + * FAQ: Add Linux/Alpha to list of supported platforms. Mention + that _validuser() has been replaced by __ivaliduser(). + +Thu Jun 6 21:39:38 1996 David Mosberger-Tang <davidm@azstarnet.com> + + * sysdeps/unix/bsd/sun/sunos4/tcsetattr.c (tcsetattr): Declare cmd + as unsigned long, not as int (to avoid incorrect int->long + promotion). + Tue Jun 18 17:56:44 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> * Version 1.91 test release. @@ -50,6 +50,7 @@ in the future are: *-*-gnu GNU Hurd i[3456]86-*-linux Linux-2.0 on Intel + alpha-*-linux Linux on Alpha Other Linux platforms are also on the way to be supported but I need some success reports first. @@ -214,6 +215,12 @@ incompatibilities: init_module init_module <sys/module.h> syslog ksyslog_ctl <sys/klog.h> +* lpd: Older versions of lpd depend on an routine called _validuser(). + The library does not provide this function, but instead provides + __ivaliduser() which has a slightly different interfaces. Simply + upgrading to a newer lpd should fix this problem (e.g., the BSD 4.4 + lpd is known to be working). + ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ @@ -1483,7 +1483,7 @@ else ${libc_cv_asm_global_directive} foo foo: .long 0 .weakext foo -.weakext bar, foo +.weakext foo, bar EOF if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then libc_cv_asm_weakext_directive=yes diff --git a/configure.in b/configure.in index eceb4da..e8e9121 100644 --- a/configure.in +++ b/configure.in @@ -455,7 +455,7 @@ cat > conftest.s <<EOF ${libc_cv_asm_global_directive} foo foo: .long 0 .weakext foo -.weakext bar, foo +.weakext foo, bar EOF if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then libc_cv_asm_weakext_directive=yes diff --git a/dirent/dirent.h b/dirent/dirent.h index 19e663b..3b708eb 100644 --- a/dirent/dirent.h +++ b/dirent/dirent.h @@ -35,12 +35,16 @@ __BEGIN_DECLS member that gives the length of `d_name'. It defines the macro `_DIRENT_HAVE_D_RECLEN' iff there is a `d_reclen' - member that gives the size of the entire directory entry. */ + member that gives the size of the entire directory entry. + + It defines the macro `_DIRENT_HAVE_D_OFF' iff there is a `d_off' + member that gives the file offset of the next directory entry. + */ #include <direntry.h> -#if defined(__USE_BSD) || defined(__USE_MISC) -#define d_ino d_fileno /* Backward compatibility. */ +#if (defined(__USE_BSD) || defined(__USE_MISC)) && !defined(d_fileno) +#define d_ino d_fileno /* Backward compatibility. */ #endif /* These macros extract size information from a `struct dirent *'. @@ -60,10 +60,9 @@ typedef int error_t; invoked. These variables are set up automatically at startup based on the value of ARGV[0] (this works only if you use GNU ld). */ extern char *program_invocation_name, *program_invocation_short_name; -#endif /* Use GNU. */ - -#endif /* errno.h included */ +#endif /* __USE_GNU */ +#endif /* _ERRNO_H */ __END_DECLS -#endif /* errno.h */ +#endif /* errno.h */ @@ -66,7 +66,13 @@ Cambridge, MA 02139, USA. */ #undef __USE_GNU #undef __USE_REENTRANT #undef __FAVOR_BSD +#undef __KERNEL_STRICT_NAMES +/* Suppress kernel-name space pollution unless user expressedly asks + for it: */ +#ifndef _LOOSE_KERNEL_NAMES +# define __KERNEL_STRICT_NAMES +#endif /* Always use ANSI things. */ #define __USE_ANSI 1 diff --git a/libio/cleanup.c b/libio/cleanup.c index 1f316eb..4a06808 100644 --- a/libio/cleanup.c +++ b/libio/cleanup.c @@ -14,7 +14,7 @@ DEFUN_VOID(_IO_register_cleanup) _IO_cleanup_registration_needed = 0; } -void (*_IO_cleanup_registration_needed)() = _IO_register_cleanup; +void (*_IO_cleanup_registration_needed) __P((void)) = _IO_register_cleanup; #else -void (*_IO_cleanup_registration_needed)() = NULL; +void (*_IO_cleanup_registration_needed) __P((void)) = NULL; #endif /* _G_HAVE_ATEXIT */ diff --git a/libio/iopopen.c b/libio/iopopen.c index b9ee737..5b9bd484 100644 --- a/libio/iopopen.c +++ b/libio/iopopen.c @@ -84,9 +84,9 @@ DEFUN(_IO_proc_open, (fp, command, mode), _IO_FILE* fp AND const char *command AND const char *mode) { #if _IO_HAVE_SYS_WAIT - int read_or_write; + volatile int read_or_write; + volatile int parent_end, child_end; int pipe_fds[2]; - int parent_end, child_end; _IO_pid_t child_pid; if (_IO_file_is_open(fp)) return NULL; diff --git a/libio/stdio.h b/libio/stdio.h index 022d210..048a11d 100644 --- a/libio/stdio.h +++ b/libio/stdio.h @@ -145,6 +145,8 @@ extern int ungetc __P ((int c, FILE* fp)); extern int vfprintf __P ((FILE *fp, char __const *fmt0, _G_va_list)); extern int vprintf __P ((char __const *fmt, _G_va_list)); extern int vsprintf __P ((char* string, __const char* format, _G_va_list)); +extern void __libc_fatal __P ((__const char *__message)) + __attribute__ ((__noreturn__)); #ifndef __STRICT_ANSI__ extern int dprintf __P ((int, __const char *, ...)); diff --git a/locale/programs/ld-numeric.c b/locale/programs/ld-numeric.c index dcee7bd..dd5ced7 100644 --- a/locale/programs/ld-numeric.c +++ b/locale/programs/ld-numeric.c @@ -21,6 +21,7 @@ Boston, MA 02111-1307, USA. */ # include <config.h> #endif +#include <alloca.h> #include <langinfo.h> #include <string.h> diff --git a/locale/programs/locale.c b/locale/programs/locale.c index 41c7b1d..ef5d9ae 100644 --- a/locale/programs/locale.c +++ b/locale/programs/locale.c @@ -30,6 +30,7 @@ Cambridge, MA 02139, USA. */ #include <stdlib.h> #include <unistd.h> #include <errno.h> +#include <string.h> #include "localeinfo.h" diff --git a/mach/Machrules b/mach/Machrules index 0015e30..4bde0fe 100644 --- a/mach/Machrules +++ b/mach/Machrules @@ -140,7 +140,7 @@ $(objpfx)%_server.c $(objpfx)%_server.h: $(include-%.defs) | \ $(MIG) - /dev/null -prefix _S_ \ $(MIGFLAGS) $(server-MIGFLAGS) $(MIGFLAGS-$*) \ - $< -user /dev/null -header /dev/null \ + -user /dev/null -header /dev/null \ -server $(@:.h=.c) -sheader $(@:.c=.h) # To get header files that declare both the straight and __ functions, diff --git a/misc/paths.h b/misc/paths.h index 5f7a6b4..00a546f 100644 --- a/misc/paths.h +++ b/misc/paths.h @@ -50,7 +50,7 @@ #define _PATH_DRUM "/dev/drum" #define _PATH_KMEM "/dev/kmem" #define _PATH_MAILDIR "/var/mail" -#define _PATH_MAN "/usr/share/man" +#define _PATH_MAN "/usr/man" #define _PATH_MEM "/dev/mem" #define _PATH_NOLOGIN "/etc/nologin" #define _PATH_SENDMAIL "/usr/sbin/sendmail" diff --git a/sunrpc/rpc/types.h b/sunrpc/rpc/types.h index 1f620ef..032543f 100644 --- a/sunrpc/rpc/types.h +++ b/sunrpc/rpc/types.h @@ -52,6 +52,9 @@ extern char *malloc(); #include <sys/types.h> #endif #include <sys/time.h> +#include <sys/param.h> + +#include <netinet/in.h> #ifndef INADDR_LOOPBACK #define INADDR_LOOPBACK (u_long)0x7F000001 diff --git a/sunrpc/xdr.c b/sunrpc/xdr.c index a79db85..fccc2a5 100644 --- a/sunrpc/xdr.c +++ b/sunrpc/xdr.c @@ -99,10 +99,30 @@ xdr_int(xdrs, ip) (void) (xdr_short(xdrs, (short *)ip)); return (xdr_long(xdrs, (long *)ip)); #else - if (sizeof (int) == 4) { + if (sizeof (int) < sizeof (long)) { + long l; + + switch (xdrs->x_op) { + case XDR_ENCODE: + l = (long) *ip; + return XDR_PUTLONG(xdrs, &l); + + case XDR_DECODE: + if (!XDR_GETLONG(xdrs, &l)) { + return FALSE; + } + *ip = (int) l; + return TRUE; + } + } else if (sizeof (int) == sizeof (long)) { return (xdr_long(xdrs, (long *)ip)); - } else { + } else if (sizeof (int) == sizeof (short)) { return (xdr_short(xdrs, (short *)ip)); + } else { + /* force unresolved reference (link-time error): */ + extern unexpected_sizes_in_xdr_int (); + + unexpected_sizes_in_xdr_int(); } #endif } @@ -115,15 +135,34 @@ xdr_u_int(xdrs, up) XDR *xdrs; u_int *up; { - #ifdef lint (void) (xdr_short(xdrs, (short *)up)); return (xdr_u_long(xdrs, (u_long *)up)); #else - if (sizeof (u_int) == 4) { + if (sizeof (u_int) < sizeof (u_long)) { + u_long l; + + switch (xdrs->x_op) { + case XDR_ENCODE: + l = (u_long) *up; + return XDR_PUTLONG(xdrs, &l); + + case XDR_DECODE: + if (!XDR_GETLONG(xdrs, &l)) { + return FALSE; + } + *up = (u_int) l; + return TRUE; + } + } else if (sizeof (u_int) == sizeof (u_long)) { return (xdr_u_long(xdrs, (u_long *)up)); - } else { + } else if (sizeof (u_int) == sizeof (u_short)) { return (xdr_short(xdrs, (short *)up)); + } else { + /* force unresolved reference (link-time error): */ + extern unexpected_sizes_in_xdr_u_int (); + + unexpected_sizes_in_xdr_u_int(); } #endif } diff --git a/sunrpc/xdr_mem.c b/sunrpc/xdr_mem.c index fb15f11..ac7c954 100644 --- a/sunrpc/xdr_mem.c +++ b/sunrpc/xdr_mem.c @@ -99,7 +99,7 @@ xdrmem_getlong(xdrs, lp) if ((xdrs->x_handy -= 4) < 0) return (FALSE); - *lp = (long)ntohl((u_long)(*((int32_t *)(xdrs->x_private)))); + *lp = (int32_t) ntohl((*((int32_t *)(xdrs->x_private)))); xdrs->x_private += 4; return (TRUE); } diff --git a/sunrpc/xdr_rec.c b/sunrpc/xdr_rec.c index 4543595..974e829 100644 --- a/sunrpc/xdr_rec.c +++ b/sunrpc/xdr_rec.c @@ -201,14 +201,14 @@ xdrrec_getlong(xdrs, lp) if (rstrm->fbtbc >= BYTES_PER_XDR_UNIT && rstrm->in_boundry - (char *) buflp >= BYTES_PER_XDR_UNIT) { - *lp = ntohl(*buflp); + *lp = (int32_t) ntohl(*buflp); rstrm->fbtbc -= BYTES_PER_XDR_UNIT; rstrm->in_finger += BYTES_PER_XDR_UNIT; } else { if (! xdrrec_getbytes(xdrs, (caddr_t) &mylong, BYTES_PER_XDR_UNIT)) return FALSE; - *lp = ntohl(mylong); + *lp = (int32_t) ntohl(mylong); } return TRUE; } diff --git a/sunrpc/xdr_stdio.c b/sunrpc/xdr_stdio.c index da4877a..5f01699 100644 --- a/sunrpc/xdr_stdio.c +++ b/sunrpc/xdr_stdio.c @@ -108,7 +108,7 @@ xdrstdio_getlong(xdrs, lp) if (fread((caddr_t)&mycopy, 4, 1, (FILE *)xdrs->x_private) != 1) return (FALSE); - *(int32_t*)lp = ntohl(mycopy); + *lp = (int32_t) ntohl(mycopy); return (TRUE); } diff --git a/sysdeps/alpha/bb_init_func.S b/sysdeps/alpha/bb_init_func.S index dfa8c1d..49be0b2 100644 --- a/sysdeps/alpha/bb_init_func.S +++ b/sysdeps/alpha/bb_init_func.S @@ -53,11 +53,11 @@ init: br pv, 1f 1: ldgp gp, 0(pv) - lda t1, __bb_head + ldiq t1, __bb_head lda t3, _gmonparam ldq t2, 0(t1) ldl t3, 0(t3) /* t3 = _gmonparam.state */ - ldi t0, 1 + lda t0, 1 stq t0, ZERO_WORD(a0) /* blocks->zero_word = 1 */ stq t2, NEXT(a0) /* blocks->next = __bb_head */ stq a0, 0(t1) diff --git a/sysdeps/alpha/copysign.c b/sysdeps/alpha/copysign.c deleted file mode 100644 index 69544b0..0000000 --- a/sysdeps/alpha/copysign.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (C) 1992, 1993, 1995 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., 675 Mass Ave, -Cambridge, MA 02139, USA. */ - -#define __NO_MATH_INLINES - -#include <math.h> - -/* Return X with its sign changed to Y's. */ -__inline double -__copysign (double __x, double __y) -{ - __asm ("cpys %1, %2, %0" : "=f" (__x) : "f" (__y), "f" (__x)); - return __x; -} - -weak_alias (__copysign, copysign) diff --git a/sysdeps/alpha/divrem.h b/sysdeps/alpha/divrem.h index f296179..2951335 100644 --- a/sysdeps/alpha/divrem.h +++ b/sysdeps/alpha/divrem.h @@ -125,7 +125,7 @@ FUNC_NAME: ldq gp, 0x10(sp) lda sp, 0x18(sp) #endif - .frame sp, FRAME_SIZE, ra, 0 + .frame sp, FRAME_SIZE, retaddr, 0 lda sp,-FRAME_SIZE(sp) .prologue 1 stq arg1,0x00(sp) diff --git a/sysdeps/generic/memcmp.c b/sysdeps/generic/memcmp.c index 8f5eca0..d9f93ba 100644 --- a/sysdeps/generic/memcmp.c +++ b/sysdeps/generic/memcmp.c @@ -84,6 +84,9 @@ typedef unsigned char byte; /* memcmp_bytes -- Compare A and B bytewise in the byte order of the machine. A and B are known to be different. This is needed only on little-endian machines. */ + +static int memcmp_bytes __P((op_t, op_t)); + #ifdef __GNUC__ __inline #endif @@ -107,6 +110,8 @@ memcmp_bytes (a, b) } #endif +static int memcmp_common_alignment __P((long, long, size_t)); + /* memcmp_common_alignment -- Compare blocks at SRCP1 and SRCP2 with LEN `op_t' objects (not LEN bytes!). Both SRCP1 and SRCP2 should be aligned for memory operations on `op_t's. */ @@ -194,6 +199,8 @@ memcmp_common_alignment (srcp1, srcp2, len) return 0; } +static int memcmp_not_common_alignment __P((long, long, size_t)); + /* memcmp_not_common_alignment -- Compare blocks at SRCP1 and SRCP2 with LEN `op_t' objects (not LEN bytes!). SRCP2 should be aligned for memory operations on `op_t', but SRCP1 *should be unaligned*. */ diff --git a/sysdeps/unix/_exit.S b/sysdeps/unix/_exit.S index a171689..50eb687 100644 --- a/sysdeps/unix/_exit.S +++ b/sysdeps/unix/_exit.S @@ -20,3 +20,4 @@ Cambridge, MA 02139, USA. */ PSEUDO (_exit, exit, 1) /* Shouldn't get here. */ +PSEUDO_END(_exit) diff --git a/sysdeps/unix/sysv/linux/alpha/sysdep.S b/sysdeps/unix/alpha/sysdep.S index 84582f4..3e7666f 100644 --- a/sysdeps/unix/sysv/linux/alpha/sysdep.S +++ b/sysdeps/unix/alpha/sysdep.S @@ -20,7 +20,12 @@ Cambridge, MA 02139, USA. */ #define _ERRNO_H #include <errnos.h> -LEAF(syscall_error, 0) + .comm errno, 4 +#ifdef __ELF__ + .type errno, @object +#endif + +LEAF(__syscall_error, 0) .prologue 1 /* Store return value in errno... */ @@ -31,4 +36,4 @@ LEAF(syscall_error, 0) ldi v0, -1 ret - .end syscall_error + END(__syscall_error) diff --git a/sysdeps/unix/alpha/sysdep.h b/sysdeps/unix/alpha/sysdep.h index 6fed4a6..4b3f9aa 100644 --- a/sysdeps/unix/alpha/sysdep.h +++ b/sysdeps/unix/alpha/sysdep.h @@ -58,25 +58,27 @@ Cambridge, MA 02139, USA. */ .frame sp, 0, ra #endif -/* Note that while it's better structurally, going back to set errno - can make things confusing if you're debugging---it looks like it's jumping - backwards into the previous fn. */ +/* Mark the end of function SYM. */ +#undef END +#define END(sym) .end sym + +/* Note that PSEUDO/PSEUDO_END use label number 1996---do not use a + label of that number between those two macros! */ + #ifdef __STDC__ #define PSEUDO(name, syscall_name, args) \ .globl name; \ .align 3; \ .ent name,0; \ \ -1: br gp, 2f; \ -2: ldgp gp, 0(gp); \ - jmp zero, syscall_error; \ - \ name##: \ - ldi v0, SYS_ify(syscall_name); \ + .frame sp, 0, ra \ + .prologue 1; /* yes, we do use gp */ \ + ldiq v0, SYS_ify(syscall_name); \ .set noat; \ call_pal PAL_callsys; \ .set at; \ - bne a3, 1b; \ + bne a3, 1996f; \ 3: #else #define PSEUDO(name, syscall_name, args) \ @@ -84,21 +86,35 @@ name##: \ .align 3; \ .ent name,0; \ \ -1: br gp, 2f; \ -2: ldgp gp, 0(gp); \ - jmp zero, syscall_error; \ - \ name/**/: \ - ldi v0, SYS_ify(syscall_name); \ + .frame sp, 0, ra \ + .prologue 1; /* yes, we do use gp */ \ + ldiq v0, SYS_ify(syscall_name); \ .set noat; \ call_pal PAL_callsys; \ .set at; \ - bne a3, 1b; \ + bne a3, 1996f; \ 3: #endif -#undef END -#define END(sym) .end sym +#undef PSEUDO_END + +#ifdef PIC +/* When building a shared library, we can use a branch since the text + section of the library is much smaller than 4MB. If we ever break + this assumption, the linker will tell us. */ +# define PSEUDO_END(sym) \ +1996: \ + br zero, __syscall_error; \ + END(sym) +#else +# define PSEUDO_END(sym) \ +1996: \ + br gp, 2f; \ +2: ldgp gp, 0(gp); \ + jmp zero, __syscall_error; \ + END(sym) +#endif #define r0 v0 #define r1 a4 diff --git a/sysdeps/unix/bsd/osf/alpha/start.S b/sysdeps/unix/bsd/osf/alpha/start.S index f3995a2..d5ff140 100644 --- a/sysdeps/unix/bsd/osf/alpha/start.S +++ b/sysdeps/unix/bsd/osf/alpha/start.S @@ -18,8 +18,6 @@ Cambridge, MA 02139, USA. */ #include <sysdep.h> -.comm errno, 4 - #if 0 .sdata .globl STARTFRM diff --git a/sysdeps/unix/bsd/osf/alpha/sysdep.S b/sysdeps/unix/bsd/osf/alpha/sysdep.S deleted file mode 100644 index bc4865c..0000000 --- a/sysdeps/unix/bsd/osf/alpha/sysdep.S +++ /dev/null @@ -1,40 +0,0 @@ -/* Copyright (C) 1993 Free Software Foundation, Inc. - Contributed by Brendan Kehoe (brendan@zen.org). - -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., 675 Mass Ave, -Cambridge, MA 02139, USA. */ - -#include <sysdep.h> -#define _ERRNO_H -#include <errnos.h> - -ENTRY(syscall_error) -#ifdef EWOULDBLOCK_sys - /* We translate the system's EWOULDBLOCK error into EAGAIN. - The GNU C library always defines EWOULDBLOCK==EAGAIN. - EWOULDBLOCK_sys is the original number. */ - subq v0, EWOULDBLOCK_sys, t0 - cmoveq t0, EAGAIN, v0 -#endif - - /* Store it in errno... */ -! ldgp gp, 0(t12) - stl v0, errno - - /* And just kick back a -1. */ - ldil v0, -1 - ret - - .end syscall_error diff --git a/sysdeps/unix/bsd/sun/sunos4/tcsetattr.c b/sysdeps/unix/bsd/sun/sunos4/tcsetattr.c index 4ae139a..f88951f 100644 --- a/sysdeps/unix/bsd/sun/sunos4/tcsetattr.c +++ b/sysdeps/unix/bsd/sun/sunos4/tcsetattr.c @@ -27,7 +27,7 @@ int DEFUN(tcsetattr, (fd, optional_actions, termios_p), int fd AND int optional_actions AND CONST struct termios *termios_p) { - int cmd; + unsigned long cmd; switch (optional_actions) { diff --git a/sysdeps/unix/execve.S b/sysdeps/unix/execve.S index 7a4fc13..5d48bc6 100644 --- a/sysdeps/unix/execve.S +++ b/sysdeps/unix/execve.S @@ -28,5 +28,6 @@ Cambridge, MA 02139, USA. */ SYSCALL__ (execve, 3) ret +PSEUDO_END(execve) weak_alias (__execve, execve) diff --git a/sysdeps/unix/fork.S b/sysdeps/unix/fork.S index 1c360c6..b8b9972 100644 --- a/sysdeps/unix/fork.S +++ b/sysdeps/unix/fork.S @@ -28,5 +28,6 @@ SYSCALL__ (fork, 0) subl #1, r1 andl r1, r0 ret +PSEUDO_END(fork) weak_alias (__fork, fork) diff --git a/sysdeps/unix/getegid.S b/sysdeps/unix/getegid.S index 1bd447b..aff66bb 100644 --- a/sysdeps/unix/getegid.S +++ b/sysdeps/unix/getegid.S @@ -25,5 +25,6 @@ PSEUDO (__getegid, getgid, 0) MOVE(r1, r0) #endif ret +PSEUDO_END(__getegid) weak_alias (__getegid, getegid) diff --git a/sysdeps/unix/geteuid.S b/sysdeps/unix/geteuid.S index 339eb53..db4087f 100644 --- a/sysdeps/unix/geteuid.S +++ b/sysdeps/unix/geteuid.S @@ -25,5 +25,6 @@ PSEUDO (__geteuid, getuid, 0) MOVE(r1, r0) #endif ret +PSEUDO_END(__geteuid) weak_alias (__geteuid, geteuid) diff --git a/sysdeps/unix/getppid.S b/sysdeps/unix/getppid.S index 132c374..3f0c745 100644 --- a/sysdeps/unix/getppid.S +++ b/sysdeps/unix/getppid.S @@ -25,5 +25,6 @@ PSEUDO (__getppid, getpid, 0) MOVE(r1, r0) #endif ret +PSEUDO_END(__getppid) weak_alias (__getppid, getppid) diff --git a/sysdeps/unix/make-syscalls.sh b/sysdeps/unix/make-syscalls.sh index 5251e84..260769e 100644 --- a/sysdeps/unix/make-syscalls.sh +++ b/sysdeps/unix/make-syscalls.sh @@ -62,7 +62,7 @@ EOF (echo '#include <sysdep.h>'; \\ echo 'PSEUDO ($strong, $syscall, $nargs)'; \\ echo ' ret'; \\ - echo 'END($strong)'; \\" + echo 'PSEUDO_END($strong)'; \\" # Append any weak aliases defined for this syscall function. for name in $weak; do diff --git a/sysdeps/unix/syscall.S b/sysdeps/unix/syscall.S index e3ef177..d3f13dc 100644 --- a/sysdeps/unix/syscall.S +++ b/sysdeps/unix/syscall.S @@ -27,3 +27,4 @@ Cambridge, MA 02139, USA. */ SYSCALL (syscall, 1) ret +PSEUDO_END(syscall) diff --git a/sysdeps/unix/sysdep.h b/sysdeps/unix/sysdep.h index 0dde0b0..24be006 100644 --- a/sysdeps/unix/sysdep.h +++ b/sysdeps/unix/sysdep.h @@ -55,6 +55,6 @@ Cambridge, MA 02139, USA. */ #define SYS_ify(syscall_name) SYS_/**/syscall_name #endif -/* Terminate a function named SYM. This is used on some platforms to - generate correct debugging information. */ -#define END(sym) +/* Terminate a system call named SYM. This is used on some platforms + to generate correct debugging information. */ +#define PSEUDO_END(sym) diff --git a/sysdeps/unix/sysv/linux/alpha/brk.S b/sysdeps/unix/sysv/linux/alpha/brk.S index 1c4a4f9..26bf97f 100644 --- a/sysdeps/unix/sysv/linux/alpha/brk.S +++ b/sysdeps/unix/sysv/linux/alpha/brk.S @@ -30,7 +30,7 @@ LEAF(__brk, 0) ldgp gp, 0(t12) .prologue 1 - ldi v0, __NR_brk + ldiq v0, __NR_brk call_pal PAL_callsys /* Correctly handle the brk(0) query case. */ @@ -46,7 +46,7 @@ LEAF(__brk, 0) /* What a horrible way to die. */ error: ldi v0, ENOMEM - jmp zero, syscall_error + jmp zero, __syscall_error END(__brk) diff --git a/sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S b/sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S index 52c945a..e09fa73 100644 --- a/sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S +++ b/sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S @@ -24,7 +24,7 @@ Cambridge, MA 02139, USA. */ LEAF(__ieee_get_fp_control, 8) lda sp, -8(sp) - .prologue 0 + .prologue 1 mov sp, a1 ldi a0, GSI_IEEE_FP_CONTROL @@ -39,7 +39,7 @@ LEAF(__ieee_get_fp_control, 8) error: lda sp, 8(sp) br gp, 1f 1: ldgp gp, 0(gp) - jmp zero, syscall_error + jmp zero, __syscall_error END(__ieee_get_fp_control) diff --git a/sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S b/sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S index d72585d..d748c81 100644 --- a/sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S +++ b/sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S @@ -22,7 +22,7 @@ Cambridge, MA 02139, USA. */ LEAF(__ieee_set_fp_control, 8) lda sp, -8(sp) - .prologue 0 + .prologue 1 stq a0, 0(sp) mov sp, a1 @@ -37,7 +37,7 @@ LEAF(__ieee_set_fp_control, 8) error: br gp, 1f 1: ldgp gp, 0(gp) - jmp zero, syscall_error + jmp zero, __syscall_error END(__ieee_set_fp_control) diff --git a/sysdeps/unix/sysv/linux/alpha/llseek.S b/sysdeps/unix/sysv/linux/alpha/llseek.S index bd8c659..6020f26 100644 --- a/sysdeps/unix/sysv/linux/alpha/llseek.S +++ b/sysdeps/unix/sysv/linux/alpha/llseek.S @@ -18,19 +18,17 @@ Cambridge, MA 02139, USA. */ /* For compatibility only: a "long" is 64 bits on the Alpha, so llseek() isn't really needed. But there are some programs out - there who may depend on it being around. -*/ + there who may depend on it being around. */ #include <sysdep.h> .text ENTRY(llseek) - .prologue 0 - - mov a3, t0 /* save result address */ + .prologue 1 sll a1, 32, a1 /* build a 64 bit ofs out of 32 bit operands */ zap a2, 0xf0, a2 + mov a3, t0 /* save result address */ bis a2, a1, a1 mov a4, a2 /* shift down whence */ @@ -44,6 +42,6 @@ ENTRY(llseek) error: br gp, 1f 1: ldgp gp, 0(gp) - jmp zero, syscall_error + jmp zero, __syscall_error END(llseek) diff --git a/sysdeps/unix/sysv/linux/alpha/pipe.S b/sysdeps/unix/sysv/linux/alpha/pipe.S index b23803c..60334ad 100644 --- a/sysdeps/unix/sysv/linux/alpha/pipe.S +++ b/sysdeps/unix/sysv/linux/alpha/pipe.S @@ -20,23 +20,11 @@ Cambridge, MA 02139, USA. */ #include <sysdep.h> - .text -LEAF(__pipe, 0) - .prologue 0 - - ldi v0, __NR_pipe - call_pal PAL_callsys - bne a3, error - +PSEUDO (__pipe, pipe, 0) stl r0, 0(a0) stl r1, 4(a0) mov zero, v0 ret - -error: br gp, 1f -1: ldgp gp, 0(gp) - jmp zero, syscall_error - - END(__pipe) +PSEUDO_END(__pipe) weak_alias (__pipe, pipe) diff --git a/sysdeps/unix/sysv/linux/alpha/sigsuspend.S b/sysdeps/unix/sysv/linux/alpha/sigsuspend.S index 26a1869..aaae9a3 100644 --- a/sysdeps/unix/sysv/linux/alpha/sigsuspend.S +++ b/sysdeps/unix/sysv/linux/alpha/sigsuspend.S @@ -24,7 +24,7 @@ Cambridge, MA 02139, USA. */ .text LEAF(sigsuspend, 0) - .prologue 0 + .prologue 1 ldq a0, 0(a0) ldi v0, __NR_sigsuspend @@ -34,6 +34,6 @@ LEAF(sigsuspend, 0) error: br gp, 1f 1: ldgp gp, 0(gp) - jmp zero, syscall_error + jmp zero, __syscall_error END(sigsuspend) diff --git a/sysdeps/unix/sysv/linux/alpha/start.S b/sysdeps/unix/sysv/linux/alpha/start.S index a7099f6..bffa913 100644 --- a/sysdeps/unix/sysv/linux/alpha/start.S +++ b/sysdeps/unix/sysv/linux/alpha/start.S @@ -1,5 +1,5 @@ /* Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc. - Contributed by Brendan Kehoe (brendan@zen.org). + Contributed by Richard Henderson <rth@tamu.edu> 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 @@ -18,81 +18,76 @@ Cambridge, MA 02139, USA. */ #include <sysdep.h> - .comm errno, 4 -#ifdef __ELF__ - .type errno, @object -#endif - .text -LEAF(__start, 16) - lda sp, -16(sp) - .prologue 0 - - stq zero, 8(sp) /* terminate frame chain */ - - br t0, 1f -1: ldgp gp, 0(t0) - - mov zero, a0 /* establish __fpu_control w/kernel */ - jsr ra, __setfpucw + .globl __start + .align 3 + .ent __start, 0 +__start: + .frame fp, 0, zero + mov zero, fp + br gp, 1f +1: ldgp gp, 0(gp) + .prologue 1 + + /* Save v0. When starting a binary via the dynamic linker, s0 + contains the address of the shared library termination function, + which we will register below with atexit() to be called by exit(). + If we are statically linked, this will be NULL. */ + mov v0, s0 + + /* Do essential libc initialization (sp points to argc, argv, and envp) */ + jsr ra, __libc_init_first ldgp gp, 0(ra) - /* clear out errno. */ - stl zero, (errno) + /* Now that we have the proper stack frame, register library termination + function, if there is any: */ - ldl a0, 16(sp) /* get argc */ - lda a1, 24(sp) /* get argv */ + beq s0, 1f + mov s0, a0 + jsr ra, atexit + ldgp gp, 0(ra) +1: - /* initialize environ: */ - lda t0, environ - s8addq a0, a1, a2 - addq a2, 0x8, a2 - stq a2, 0(t0) + /* Extract the arguments and environment as encoded on the stack. */ + ldl a0, 0(sp) /* get argc */ + lda a1, 8(sp) /* get argv */ + s8addq a0, a1, a2 /* get envp */ + addq a2, 8, a2 + stq a2, _environ - mov a0, s0 + mov a0, s0 /* tuck them away */ mov a1, s1 mov a2, s2 #ifdef HAVE_INITFINI - /* register the _fini sections to ensure destructors get run: */ - lda a0, _fini - jsr ra, atexit - ldgp gp, 0(ra) - - /* Now run the _init section of the program itself. The _init - sections of shared libraries will be run by the dynamic linker. */ + /* Call _init, the entry point to our own .init section. */ jsr ra, _init ldgp gp, 0(ra) - /* initialize constructors: */ - jsr ra, __main + /* Register our .fini section with atexit. */ + lda a0, _fini + jsr ra, atexit ldgp gp, 0(ra) #else - jsr ra, __libc_init + /* initialize constructors: */ + jsr ra, __main ldgp gp, 0(ra) #endif - mov s0, a0 mov s1, a1 mov s2, a2 + /* Call the user's main and exit with its return value. */ jsr ra, main ldgp gp, 0(ra) mov v0, a0 + jsr ra, exit - lda pv, exit - jsr ra, (pv), 1 - ldgp gp, 0(ra) - - /* in case exit returns: */ - -1: ldi v0, __NR_exit - call_pal PAL_callsys - br 1b - - .end __start - + /* Die very horribly if exit returns. Call_pal hlt is callable from + kernel mode only; this will result in an illegal instruction trap. */ + call_pal 0 +END(__start) /* Define a symbol for the first piece of initialized data. */ .data diff --git a/sysdeps/unix/sysv/linux/alpha/syscall.S b/sysdeps/unix/sysv/linux/alpha/syscall.S index c80a523..f1b36e9 100644 --- a/sysdeps/unix/sysv/linux/alpha/syscall.S +++ b/sysdeps/unix/sysv/linux/alpha/syscall.S @@ -42,19 +42,19 @@ Cambridge, MA 02139, USA. */ LEAF(__syscall, 0) - bis a0, a0, v0 # Syscall number -> v0 - bis a1, a1, a0 # arg1-arg5 -> a0-a4 - bis a2, a2, a1 - bis a3, a3, a2 - bis a4, a4, a3 - bis a5, a5, a4 - - call_pal PAL_callsys # Invoke system call + mov a0, v0 /* Syscall number -> v0 */ + mov a1, a0 /* arg1-arg5 -> a0-a4 */ + mov a2, a1 + mov a3, a2 + mov a4, a3 + mov a5, a4 + + call_pal PAL_callsys /* Invoke system call */ bne a3, error ret error: br gp, 2f 2: ldgp gp, 0(gp) - jmp zero, syscall_error + jmp zero, __syscall_error weak_alias(__syscall, syscall) diff --git a/sysdeps/unix/sysv/linux/alpha/sysdep.h b/sysdeps/unix/sysv/linux/alpha/sysdep.h index 627b37e..8f5f5dd 100644 --- a/sysdeps/unix/sysv/linux/alpha/sysdep.h +++ b/sysdeps/unix/sysv/linux/alpha/sysdep.h @@ -38,15 +38,15 @@ Cambridge, MA 02139, USA. */ # define SYS_ify(syscall_name) __NR_/**/syscall_name #endif -/* - * Define some aliases for syscalls that return two values (in r0 and r1): - */ +/* Define some aliases to make automatic syscall generation work + properly. The SYS_* variants are for the benefit of the files in + sysdeps/unix. */ #define __NR_getpid __NR_getxpid -#define __NR_getppid __NR_getxpid #define __NR_getuid __NR_getxuid -#define __NR_geteuid __NR_getxuid #define __NR_getgid __NR_getxgid -#define __NR_getegid __NR_getxgid +#define SYS_getpid __NR_getxpid +#define SYS_getuid __NR_getxuid +#define SYS_getgid __NR_getxgid /* * Some syscalls no Linux program should know about: diff --git a/sysdeps/unix/sysv/linux/gnu/types.h b/sysdeps/unix/sysv/linux/gnu/types.h index 402df2a..0bc072b 100644 --- a/sysdeps/unix/sysv/linux/gnu/types.h +++ b/sysdeps/unix/sysv/linux/gnu/types.h @@ -19,10 +19,9 @@ Cambridge, MA 02139, USA. */ #ifndef _GNU_TYPES_H #define _GNU_TYPES_H 1 -/* Get actual type definitions for architecture from kernel headers. - This #define tells <linux/types.h> not to define `dev_t' et al itself. */ -#define __KERNEL_STRICT_NAMES -#define _LINUX_TYPES_DONT_EXPORT +#include <features.h> + +/* Get actual type definitions for architecture from kernel headers. */ #include <linux/types.h> /* Convenience types. */ |