diff options
Diffstat (limited to 'libgloss/i386')
| -rw-r--r-- | libgloss/i386/Makefile.in | 126 | ||||
| -rwxr-xr-x | libgloss/i386/configure | 1218 | ||||
| -rw-r--r-- | libgloss/i386/configure.in | 114 | ||||
| -rw-r--r-- | libgloss/i386/cygmon-crt0.S | 79 | ||||
| -rw-r--r-- | libgloss/i386/cygmon-gmon.c | 362 | ||||
| -rw-r--r-- | libgloss/i386/cygmon-gmon.h | 35 | ||||
| -rw-r--r-- | libgloss/i386/cygmon-salib.c | 182 | ||||
| -rw-r--r-- | libgloss/i386/cygmon-syscall.h | 96 | ||||
| -rw-r--r-- | libgloss/i386/cygmon.ld | 99 |
9 files changed, 0 insertions, 2311 deletions
diff --git a/libgloss/i386/Makefile.in b/libgloss/i386/Makefile.in deleted file mode 100644 index 158ba81a3..000000000 --- a/libgloss/i386/Makefile.in +++ /dev/null @@ -1,126 +0,0 @@ -# Copyright (c) 1997, 2000 Cygnus Support -# -# The authors hereby grant permission to use, copy, modify, distribute, -# and license this software and its documentation for any purpose, provided -# that existing copyright notices are retained in all copies and that this -# notice is included verbatim in any distributions. No written agreement, -# license, or royalty fee is required for any of the authorized uses. -# Modifications to this software may be copyrighted by their authors -# and need not follow the licensing terms described here, provided that -# the new terms are clearly indicated on the first page of each file where -# they apply. - -VPATH = @srcdir@ -srcdir = @srcdir@ -objdir = . -srcroot = $(srcdir)/../.. -objroot = $(objdir)/../.. - -prefix = @prefix@ -exec_prefix = @exec_prefix@ - -host_alias = @host_alias@ -target_alias = @target_alias@ -program_transform_name = @program_transform_name@ - -bindir = @bindir@ -libdir = @libdir@ -tooldir = $(exec_prefix)/$(target_alias) - -# Multilib support variables. -# TOP is used instead of MULTI{BUILD,SRC}TOP. -MULTIDIRS = -MULTISUBDIR = -MULTIDO = true -MULTICLEAN = true - -INSTALL = @INSTALL@ -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ - -SHELL = /bin/sh - -CC = @CC@ - -#AS = @AS@ -AS = `if [ -f ${objroot}/../gas/as.new ] ; \ - then echo ${objroot}/../gas/as.new ; \ - else echo as ; fi` - -AR = @AR@ - -#LD = @LD@ -LD = `if [ -f ${objroot}/../ld/ld.new ] ; \ - then echo ${objroot}/../ld/ld.new ; \ - else echo ld ; fi` - -RANLIB = @RANLIB@ - -OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \ - then echo ${objroot}/../binutils/objdump ; \ - else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi` -OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \ - then echo ${objroot}/../binutils/objcopy ; \ - else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi` - -CRT0 = cygmon-crt0.o -CYGMON_OBJS = cygmon-salib.o cygmon-gmon.o - -CFLAGS = -g - -GCC_LDFLAGS = `if [ -d ${objroot}/../gcc ] ; \ - then echo -L${objroot}/../gcc ; fi` - -SCRIPTS = cygmon -BSP = libcygmon.a - -# Host specific makefile fragment comes in here. -@host_makefile_frag@ - -all: ${CRT0} ${BSP} - -# -# here's where we build the board support packages for each target -# -libcygmon.a: $(CYGMON_OBJS) - ${AR} ${ARFLAGS} $@ $(CYGMON_OBJS) - ${RANLIB} $@ - -cygmon-salib.o: ${srcdir}/cygmon-salib.c - $(CC) -c $(CFLAGS) @NEED_UNDERSCORE@ @IS_COFF@ @IS_AOUT@ $(<) -o $@ - -cygmon-crt0.o: ${srcdir}/cygmon-crt0.S - $(CC) -c $(CFLAGS) @NEED_UNDERSCORE@ @IS_COFF@ @IS_AOUT@ $(<) -o $@ - -doc: - -clean mostlyclean: - rm -f a.out core *.i *~ *.o *-test *.srec *.dis *.map *.x - -distclean maintainer-clean realclean: clean - rm -f Makefile config.status a.out - -.PHONY: install info install-info clean-info -install: - $(INSTALL_PROGRAM) $(CRT0) $(tooldir)/lib${MULTISUBDIR}/$(CRT0) - @for bsp in ${BSP}; 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No written agreement, -# license, or royalty fee is required for any of the authorized uses. -# Modifications to this software may be copyrighted by their authors -# and need not follow the licensing terms described here, provided that -# the new terms are clearly indicated on the first page of each file where -# they apply. -# -# Process this file with autoconf to produce a configure script. -# -AC_PREREQ(2.5)dnl -AC_INIT(cygmon-salib.c) - -if test "${enable_shared}" = "yes" ; then - echo "Shared libraries not supported for cross compiling, ignored" -fi - -if test "$srcdir" = "." ; then - if test "${with_target_subdir}" != "." ; then - libgloss_topdir="${srcdir}/${with_multisrctop}../../.." - else - libgloss_topdir="${srcdir}/${with_multisrctop}../.." - fi -else - libgloss_topdir="${srcdir}/../.." -fi -AC_CONFIG_AUX_DIR($libgloss_topdir) - -AC_CANONICAL_SYSTEM -AC_ARG_PROGRAM - -AC_PROG_INSTALL - -# FIXME: We temporarily define our own version of AC_PROG_CC. This is -# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We -# are building a library that must be included in all links, so we -# can't link an executable until this lib is built. -# autoconf should provide a way to do this. - -AC_DEFUN(LIB_AC_PROG_CC, -[AC_BEFORE([$0], [AC_PROG_CPP])dnl -AC_CHECK_PROG(CC, gcc, gcc) -if test -z "$CC"; then - AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) - test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) -fi - -AC_PROG_CC_GNU - -if test $ac_cv_prog_gcc = yes; then - GCC=yes -dnl Check whether -g works, even if CFLAGS is set, in case the package -dnl plays around with CFLAGS (such as to build both debugging and -dnl normal versions of a library), tasteless as that idea is. - ac_test_CFLAGS="${CFLAGS+set}" - ac_save_CFLAGS="$CFLAGS" - CFLAGS= - AC_PROG_CC_G - if test "$ac_test_CFLAGS" = set; then - CFLAGS="$ac_save_CFLAGS" - elif test $ac_cv_prog_cc_g = yes; then - CFLAGS="-g -O2" - else - CFLAGS="-O2" - fi -else - GCC= - test "${CFLAGS+set}" = set || CFLAGS="-g" -fi -]) - -case "$target" in - *coff) - IS_COFF="-DCOFF" - ;; - *aout) - IS_AOUT="-DAOUT" - ;; -esac - -LIB_AC_PROG_CC -AS=${AS-as} -AC_SUBST(AS) -AR=${AR-ar} -AC_SUBST(AR) -LD=${LD-ld} -AC_SUBST(LD) -AC_SUBST(IS_COFF) -AC_SUBST(IS_AOUT) -AC_SUBST(NEED_UNDERSCORE) -AC_PROG_RANLIB - -host_makefile_frag=${srcdir}/../config/default.mh - -dnl We have to assign the same value to other variables because autoconf -dnl doesn't provide a mechanism to substitute a replacement keyword with -dnl arbitrary data or pathnames. -dnl -host_makefile_frag_path=$host_makefile_frag -AC_SUBST(host_makefile_frag_path) -AC_SUBST_FILE(host_makefile_frag) - -AC_OUTPUT(Makefile, -. ${libgloss_topdir}/config-ml.in, -srcdir=${srcdir} -target=${target} -ac_configure_args="${ac_configure_args} --enable-multilib" -CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} -libgloss_topdir=${libgloss_topdir} -) diff --git a/libgloss/i386/cygmon-crt0.S b/libgloss/i386/cygmon-crt0.S deleted file mode 100644 index 1c4535e07..000000000 --- a/libgloss/i386/cygmon-crt0.S +++ /dev/null @@ -1,79 +0,0 @@ -/* - * crt0 startup code for user programs running under Cygmon - * - * Copyright (c) 1998, 2000 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#define _S2(P,X) P ## X -#define _S1(P,X) _S2(P,X) -#define SYM(X) _S1(__USER_LABEL_PREFIX__,X) - -.data - .align 8 -SYM(environ): - .long 0 - -SYM(argc): - .long 0 - - .text - .align 4 - - .globl __start -__start: - /* see if the stack is already setup. if not, then default - * to using the value of %sp as set by the ROM monitor - */ - movl $__stack, %eax - testl %eax, %eax - jz 1f - movl %eax, %esp -1: - mov $0, %ebp - - movl $__bss_start, %edi - movl $__bss_end, %ecx - subl %edi, %ecx - xorl %eax, %eax - rep; stosb - - pushl $SYM(__sigtramp) - pushl $0 - call SYM(__install_signal_handler) - popl %eax - - pushl $SYM(__do_global_dtors) - call SYM(atexit) - popl %eax - - call SYM(__do_global_ctors) - - pushl $SYM(argc) - call SYM(__get_program_arguments) - popl %ecx - - movl SYM(argc), %ecx - pushl %eax - pushl %ecx - call SYM(main) - popl %ecx - popl %edx - - /* call exit from the C library so atexit gets called, and the - * C++ destructors get run. This calls our exit routine below - * when it's done. - */ - pushl %eax - call SYM(exit) -3: - jmp 3b diff --git a/libgloss/i386/cygmon-gmon.c b/libgloss/i386/cygmon-gmon.c deleted file mode 100644 index 480b2ec99..000000000 --- a/libgloss/i386/cygmon-gmon.c +++ /dev/null @@ -1,362 +0,0 @@ -/*- - * Copyright (c) 1991, 2000 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * This is a modified gmon.c by J.W.Hawtin <oolon@ankh.org>, - * 14/8/96 based on the original gmon.c in GCC and the hacked version - * solaris 2 sparc version (config/sparc/gmon-sol.c) by Mark Eichin. To do - * process profiling on solaris 2.X X86 - * - * It must be used in conjunction with sol2-gc1.asm, which is used to start - * and stop process monitoring. - * - * Differences. - * - * On Solaris 2 _mcount is called by library functions not mcount, so support - * has been added for both. - * - * Also the prototype for profil() is different - * - * Solaris 2 does not seem to have char *minbrk which allows the setting of - * the minimum SBRK region so this code has been removed and lets pray malloc - * does not mess it up. - * - * Notes - * - * This code could easily be integrated with the original gmon.c and perhaps - * should be. - */ - -#ifndef lint -static char sccsid[] = "@(#)gmon.c 5.3 (Berkeley) 5/22/91"; -#endif /* not lint */ - -#define DEBUG -#ifdef DEBUG -#include <stdio.h> -#endif - -#include "cygmon-gmon.h" - -/* - * froms is actually a bunch of unsigned shorts indexing tos - */ -static int profiling = 3; -static unsigned short *froms; -static struct tostruct *tos = 0; -static long tolimit = 0; -static char *s_lowpc = 0; -static char *s_highpc = 0; -static unsigned long s_textsize = 0; - -static int ssiz; -static char *sbuf; -static int s_scale; - /* see profil(2) where this is describe (incorrectly) */ -#define SCALE_1_TO_1 0x10000L - -#define MSG "No space for profiling buffer(s)\n" - -extern int errno; - -int -monstartup(lowpc, highpc) - char *lowpc; - char *highpc; -{ - int monsize; - char *buffer; - register int o; - - /* - * round lowpc and highpc to multiples of the density we're using - * so the rest of the scaling (here and in gprof) stays in ints. - */ - lowpc = (char *) - ROUNDDOWN((unsigned)lowpc, HISTFRACTION*sizeof(HISTCOUNTER)); - s_lowpc = lowpc; - highpc = (char *) - ROUNDUP((unsigned)highpc, HISTFRACTION*sizeof(HISTCOUNTER)); - s_highpc = highpc; - s_textsize = highpc - lowpc; - monsize = (s_textsize / HISTFRACTION) + sizeof(struct phdr); - buffer = (char *) sbrk (monsize); - if (buffer == (char *) -1) - { - write (2, MSG , sizeof(MSG)); - return; - } - bzero (buffer, monsize); - froms = (unsigned short *) sbrk (s_textsize / HASHFRACTION); - if (froms == (unsigned short *) -1) - { - write(2, MSG, sizeof(MSG)); - froms = 0; - return; - } - bzero (froms, s_textsize / HASHFRACTION); - tolimit = s_textsize * ARCDENSITY / 100; - if (tolimit < MINARCS) - { - tolimit = MINARCS; - } - else - { - if (tolimit > 65534) - { - tolimit = 65534; - } - } - tos = (struct tostruct *) sbrk( tolimit * sizeof( struct tostruct ) ); - if (tos == (struct tostruct *) -1) - { - write (2, MSG, sizeof(MSG)); - froms = 0; - tos = 0; - return; - } - bzero (tos, tolimit * sizeof( struct tostruct ) ); - tos[0].link = 0; - sbuf = buffer; - ssiz = monsize; - ( (struct phdr *) buffer ) -> lpc = lowpc; - ( (struct phdr *) buffer ) -> hpc = highpc; - ( (struct phdr *) buffer ) -> ncnt = ssiz; - monsize -= sizeof(struct phdr); - if ( monsize <= 0 ) - return; - o = highpc - lowpc; - if (monsize < o) - { - s_scale = ( (float) monsize / o ) * SCALE_1_TO_1; - } - else - s_scale = SCALE_1_TO_1; - moncontrol (1); -} - -void -_mcleanup() -{ - int fd; - int fromindex; - int endfrom; - char *frompc; - int toindex; - struct rawarc rawarc; - - moncontrol (0); - profil_write (1, sbuf, ssiz); - - endfrom = s_textsize / (HASHFRACTION * sizeof(*froms)); - for ( fromindex = 0 ; fromindex < endfrom ; fromindex++ ) - { - if ( froms[fromindex] == 0 ) - { - continue; - } - frompc = s_lowpc + (fromindex * HASHFRACTION * sizeof(*froms)); - for (toindex=froms[fromindex]; toindex!=0; toindex=tos[toindex].link) - { - rawarc.raw_frompc = (unsigned long) frompc; - rawarc.raw_selfpc = (unsigned long) tos[toindex].selfpc; - rawarc.raw_count = tos[toindex].count; - profil_write (2, &rawarc, sizeof (rawarc)); - } - } - profil_write (3, 0, 0); -} - -static char already_setup = 0; - -_mcount() -{ - register char *selfpc; - register unsigned short *frompcindex; - register struct tostruct *top; - register struct tostruct *prevtop; - register long toindex; - - /* - * find the return address for mcount, - * and the return address for mcount's caller. - */ - - /* selfpc = pc pushed by mcount call. - This identifies the function that was just entered. */ - selfpc = (void *) __builtin_return_address (0); - /* frompcindex = pc in preceding frame. - This identifies the caller of the function just entered. */ - frompcindex = (void *) __builtin_return_address (1); - - if (! already_setup) - { - extern _etext(); - extern _ftext(); - already_setup = 1; - monstartup(_ftext, _etext); - atexit(_mcleanup); - } - /* - * check that we are profiling - * and that we aren't recursively invoked. - */ - if (profiling) - { - goto out; - } - profiling++; - /* - * check that frompcindex is a reasonable pc value. - * for example: signal catchers get called from the stack, - * not from text space. too bad. - */ - frompcindex = (unsigned short *)((long)frompcindex - (long)s_lowpc); - if ((unsigned long)frompcindex > s_textsize) - { - goto done; - } - frompcindex = - &froms[((long)frompcindex) / (HASHFRACTION * sizeof(*froms))]; - toindex = *frompcindex; - if (toindex == 0) - { - /* - * first time traversing this arc - */ - toindex = ++tos[0].link; - if (toindex >= tolimit) - { - goto overflow; - } - *frompcindex = toindex; - top = &tos[toindex]; - top->selfpc = selfpc; - top->count = 1; - top->link = 0; - goto done; - } - top = &tos[toindex]; - if (top->selfpc == selfpc) - { - /* - * arc at front of chain; usual case. - */ - top->count++; - goto done; - } - /* - * have to go looking down chain for it. - * top points to what we are looking at, - * prevtop points to previous top. - * we know it is not at the head of the chain. - */ - for (; /* goto done */; ) - { - if (top->link == 0) - { - /* - * top is end of the chain and none of the chain - * had top->selfpc == selfpc. - * so we allocate a new tostruct - * and link it to the head of the chain. - */ - toindex = ++tos[0].link; - if (toindex >= tolimit) - { - goto overflow; - } - top = &tos[toindex]; - top->selfpc = selfpc; - top->count = 1; - top->link = *frompcindex; - *frompcindex = toindex; - goto done; - } - /* - * otherwise, check the next arc on the chain. - */ - prevtop = top; - top = &tos[top->link]; - if (top->selfpc == selfpc) - { - /* - * there it is. - * increment its count - * move it to the head of the chain. - */ - top->count++; - toindex = prevtop->link; - prevtop->link = top->link; - top->link = *frompcindex; - *frompcindex = toindex; - goto done; - } - } -done: - profiling--; - /* and fall through */ -out: - return; /* normal return restores saved registers */ - -overflow: - profiling++; /* halt further profiling */ -# define TOLIMIT "mcount: tos overflow\n" - write (2, TOLIMIT, sizeof(TOLIMIT)); - goto out; -} - -/* - * Control profiling - * profiling is what mcount checks to see if - * all the data structures are ready. - */ -moncontrol(mode) - int mode; -{ - if (mode) - { - /* start */ - profil((unsigned short *)(sbuf + sizeof(struct phdr)), - ssiz - sizeof(struct phdr), - (int)s_lowpc, s_scale); - - profiling = 0; - } - else - { - /* stop */ - profil((unsigned short *)0, 0, 0, 0); - profiling = 3; - } -} diff --git a/libgloss/i386/cygmon-gmon.h b/libgloss/i386/cygmon-gmon.h deleted file mode 100644 index f35ae332d..000000000 --- a/libgloss/i386/cygmon-gmon.h +++ /dev/null @@ -1,35 +0,0 @@ -#ifndef GMON_CYGMON_H -#define GMON_CYGMON_H - -struct phdr -{ - char *lpc; - char *hpc; - int ncnt; -}; - - -#define HISTFRACTION 2 -#define HISTCOUNTER unsigned short -#define HASHFRACTION 1 -#define ARCDENSITY 2 -#define MINARCS 50 - -struct tostruct -{ - char *selfpc; - long count; - unsigned short link; -}; - -struct rawarc -{ - unsigned long raw_frompc; - unsigned long raw_selfpc; - long raw_count; -}; - -#define ROUNDDOWN(x,y) (((x)/(y))*(y)) -#define ROUNDUP(x,y) ((((x)+(y)-1)/(y))*(y)) - -#endif diff --git a/libgloss/i386/cygmon-salib.c b/libgloss/i386/cygmon-salib.c deleted file mode 100644 index 466045d07..000000000 --- a/libgloss/i386/cygmon-salib.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Standard x86 syscalls for user programs running under Cygmon - * - * Copyright (c) 1998, 2000 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#include <fcntl.h> -#include <stdlib.h> -#include "cygmon-syscall.h" -#include <sys/time.h> - -extern int errno; - -_syscall3(int,write,int,i,char *,c,int,len); -#if 0 -_syscall3(int,read,int,i,char *,c,int,len); -#else -int -read (int des, char *dest, int len) -{ - return -1; -} -#endif - -_syscall2(int,kill,int,pid,int,signal); - -_syscall2(void,__install_signal_handler,int,arg,void *,handler); -_syscall1(char **,__get_program_arguments,int *,argc); - -_syscall1(void,__sys_exit,int,exitcode); -_syscall1(void,putTtyChar,int,character); -_syscall1(time_t,time,time_t *,ptr); -_syscall2(int, gettimeofday, struct timeval *,time, struct timezone *,z); -_syscall3(int, __open, const char *, filename, int, mode, int, filemode); -_syscall4(void, profil, unsigned short *, buff, unsigned int, bufsiz, - unsigned int, offset, unsigned int, scale); -_syscall1(int, close, int, fd); - -/* Bleah. */ -int -open (const char *filename, int mode, ...) -{ -#if 0 - return __open (filename, mode, 0644); -#else - return -1; -#endif -} - -/* Ultra-super cheezy. */ -int -isatty (int i) -{ - return i<3; -} - -int unlink (const char *p) -{ - return -1; -} - - -char * -sbrk (int amt) -{ - extern char _end; - static char *ptr = 0; - char *res; - if (ptr == 0) - ptr = &_end; - if (amt == 0) - return (char *)ptr; - - if (((long)ptr) % 8) - ptr = ptr + (8 - (((long)(ptr)) % 8)); - res = ptr; - ptr += amt; - return (char *)res; -} - -void -_exit(int i) -{ - while(1) { - __sys_exit (i); - asm(" int $3"); - } -} - -int -fstat(int des, struct stat *buf) -{ - return -1; -} - -int -lseek(int des,unsigned long offset, int whence) -{ - return -1; -} - -int -getpid () -{ - return -1; -} - -/* Simple replacement for the clock() syscall. */ -clock_t -clock () -{ - struct timeval t; - - gettimeofday (&t, 0); - return t.tv_sec * 1000 + (t.tv_usec / 1000); -} - -#if ! defined(COFF) && ! defined(AOUT) -typedef void (*ctp)(); -void -__do_global_ctors () -{ - extern int __CTOR_LIST__; - int *c = &__CTOR_LIST__; - c++; - while (*c) - { - ctp d = (ctp)*c; - (d)(); - c++; - } -} - -void -__do_global_dtors () -{ - extern int __DTOR_LIST__; - int *c = &__DTOR_LIST__; - int *cp = c; - c++; - while (*c) - { - c++; - } - c--; - while (c > cp) - { - ctp d = (ctp)*c; - (*d)(); - c--; - } -} -#endif - -void -profil_write (int type, char *buffer, int len) -{ - static int des = -1; - - if (des < 0) - { - des = open ("gmon.out", O_WRONLY | O_CREAT | O_TRUNC, 0644); - } - if (len == 0) - { - close (des); - } - else - { - write (des, buffer, len); - } -} diff --git a/libgloss/i386/cygmon-syscall.h b/libgloss/i386/cygmon-syscall.h deleted file mode 100644 index 3b058d95f..000000000 --- a/libgloss/i386/cygmon-syscall.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Standard x86 syscalls for user programs running under Cygmon - * - * Copyright (c) 1998 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#ifndef CYGMON_SYSCALL_H -#define CYGMON_SYSCALL_H - -#define __MAX_ERRNO 4096 - -#define _syscall0(type,name) \ -type name(void) \ -{ \ -long __res; \ -__asm__ __volatile__ ("int $0x80" \ - : "=a" (__res) \ - : "0" (SYS_##name)); \ - return (type) __res; \ -} - -#define _syscall1(type,name,atype,a) \ -type name(atype a) \ -{ \ -long __res, dummy; \ -__asm__ __volatile__ ("int $0x80" \ - : "=a" (__res), "=&b" (dummy) \ - : "0" (SYS_##name),"1" ((long)(a))); \ - return (type) __res; \ -} - -#define _syscall2(type,name,atype,a,btype,b) \ -type name(atype a,btype b) \ -{ \ -long __res, dummy; \ -__asm__ __volatile__ ("int $0x80" \ - : "=a" (__res), "=&b" (dummy) \ - : "0" (SYS_##name),"1" ((long)(a)),"c" ((long)(b))); \ - return (type) __res; \ -} - -#define _syscall3(type,name,atype,a,btype,b,ctype,c) \ -type name(atype a,btype b,ctype c) \ -{ \ -long __res, dummy; \ -__asm__ __volatile__ ("int $0x80" \ - : "=a" (__res), "=&b" (dummy) \ - : "0" (SYS_##name),"1" ((long)(a)),"c" ((long)(b)),"d" ((long)(c))); \ - return (type) __res; \ -} - -#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \ -type name (atype a, btype b, ctype c, dtype d) \ -{ \ -long __res; \ -__asm__ __volatile__ ("int $0x80" \ - : "=a" (__res) \ - : "0" (SYS_##name),"b" ((long)(a)),"c" ((long)(b)), \ - "d" ((long)(c)),"S" ((long)(d))); \ - return (type) __res; \ -} - -#define _syscall5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \ -type name (atype a,btype b,ctype c,dtype d,etype e) \ -{ \ -long __res; \ -__asm__ __volatile__ ("int $0x80" \ - : "=a" (__res) \ - : "0" (SYS_##name),"b" ((long)(a)),"c" ((long)(b)), \ - "d" ((long)(c)),"S" ((long)(d)),"D" ((long)(e))); \ - return (type) __res; \ -} - -#define SYS_putTtyChar 2 -#define SYS___sys_exit 1 -#define SYS_read 3 -#define SYS_write 4 -#define SYS___open 5 -#define SYS_close 6 -#define SYS_kill 37 -#define SYS_time 13 -#define SYS_gettimeofday 156 -#define SYS___install_signal_handler 48 -#define SYS_profil 98 -#define SYS___get_program_arguments 184 -#endif /* SYSCALL_H */ diff --git a/libgloss/i386/cygmon.ld b/libgloss/i386/cygmon.ld deleted file mode 100644 index e3f567174..000000000 --- a/libgloss/i386/cygmon.ld +++ /dev/null @@ -1,99 +0,0 @@ -STARTUP(cygmon-crt0.o) -ENTRY(__start) -GROUP(-lcygmon -lc -lcygmon -lgcc) -SEARCH_DIR(.) -__DYNAMIC = 0; - -/* - * Allocate the stack to be at the top of memory, since the stack - * grows down - */ -PROVIDE (__stack = 0x500000); - -/* - * Initalize some symbols to be zero so we can reference them in the - * crt0 without core dumping. These functions are all optional, but - * we do this so we can have our crt0 always use them if they exist. - * This is so BSPs work better when using the crt0 installed with gcc. - * We have to initalize them twice, so we multiple object file - * formats, as some prepend an underscore. - */ -PROVIDE (hardware_init_hook = 0); -PROVIDE (software_init_hook = 0); -PROVIDE (__mem_start = 0x100000); -PROVIDE (___mem_start = 0x100000); -SECTIONS -{ - . = 0x100000; - .text : { - _ftext = . ; - *(.init) - eprol = .; - *(.text) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - *(.fini) - __CTOR_LIST__ = .; - CONSTRUCTORS - LONG(-1) - *(.ctors) - LONG(0) - __CTOR_END__ = .; - __DTOR_LIST__ = .; - LONG(-1) - *(.dtors) - LONG(0) - __DTOR_END__ = .; - PROVIDE(_etext = .); - PROVIDE(__etext = .); - } - . = .; - .rdata : { - *(.rdata) - } - .rodata : { - *(.rodata) - } - .eh_frame : - { - PROVIDE (__EH_FRAME_BEGIN__ = .); - *(.eh_frame) - PROVIDE (__EH_FRAME_END__ = .); - } - _fdata = ALIGN(16); - .data : { - *(.data) - *(.gcc_except_table) - *(.gcc_exc) - } - . = ALIGN(8); - _gp = . + 0x8000; - __global = . + 0x8000; - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - .sdata : { - *(.sdata) - } - . = ALIGN(4); - PROVIDE(_edata = .); - PROVIDE(__edata = .); - fbss = .; - _fbss = .; - .sbss : { - PROVIDE(__bss_start = .); - *(.sbss) - *(.scommon) - } - .bss : { - *(.bss) - *(COMMON) - PROVIDE(__bss_end = .); - } - PROVIDE(_end = .); - PROVIDE(__end = .); -} |