From e945a19cb2c8530ce2ae2ba68ea454b5e4de8bdb Mon Sep 17 00:00:00 2001 From: Anton Kolesov Date: Fri, 23 Oct 2015 21:23:40 +0300 Subject: [PATCH] Remove obsolete ARC system ARC architecture specific files has been added ages ago in newlib/libc/sys, but with invention of libgloss those files should be moved from newlib to libgloss. newlib/ChangeLog: 2015-11-12 Anton Kolesov * configure.host: Remove ARC system. * libc/sys/configure: Likewise. * libc/sys/configure.in: Likewise. * libc/sys/arc/Makefile.am: Likewise. * libc/sys/arc/Makefile.in: Likewise. * libc/sys/arc/aclocal.m4: Likewise. * libc/sys/arc/configure: Likewise. * libc/sys/arc/configure.in: Likewise. * libc/sys/arc/crt0.S: Likewise. * libc/sys/arc/dummy.S: Likewise. * libc/sys/arc/isatty.c: Likewise. * libc/sys/arc/mem-layout.c: Likewise. * libc/sys/arc/sbrk.c: Likewise. * libc/sys/arc/sys/syscall.h: Likewise. * libc/sys/arc/syscalls.c: Likewise. --- newlib/ChangeLog | 18 + newlib/configure.host | 3 - newlib/libc/sys/arc/Makefile.am | 19 - newlib/libc/sys/arc/Makefile.in | 474 --- newlib/libc/sys/arc/aclocal.m4 | 1012 ------ newlib/libc/sys/arc/configure | 4748 ----------------------------- newlib/libc/sys/arc/configure.in | 14 - newlib/libc/sys/arc/crt0.S | 75 - newlib/libc/sys/arc/dummy.S | 1 - newlib/libc/sys/arc/isatty.c | 18 - newlib/libc/sys/arc/mem-layout.c | 21 - newlib/libc/sys/arc/sbrk.c | 43 - newlib/libc/sys/arc/sys/syscall.h | 53 - newlib/libc/sys/arc/syscalls.c | 131 - newlib/libc/sys/configure | 7 +- newlib/libc/sys/configure.in | 1 - 16 files changed, 20 insertions(+), 6618 deletions(-) delete mode 100644 newlib/libc/sys/arc/Makefile.am delete mode 100644 newlib/libc/sys/arc/Makefile.in delete mode 100644 newlib/libc/sys/arc/aclocal.m4 delete mode 100755 newlib/libc/sys/arc/configure delete mode 100644 newlib/libc/sys/arc/configure.in delete mode 100644 newlib/libc/sys/arc/crt0.S delete mode 100644 newlib/libc/sys/arc/dummy.S delete mode 100644 newlib/libc/sys/arc/isatty.c delete mode 100644 newlib/libc/sys/arc/mem-layout.c delete mode 100644 newlib/libc/sys/arc/sbrk.c delete mode 100644 newlib/libc/sys/arc/sys/syscall.h delete mode 100644 newlib/libc/sys/arc/syscalls.c diff --git a/newlib/ChangeLog b/newlib/ChangeLog index b034f5773..6cd22c779 100644 --- a/newlib/ChangeLog +++ b/newlib/ChangeLog @@ -1,3 +1,21 @@ +2015-11-12 Anton Kolesov + + * configure.host: Remove ARC system. + * libc/sys/configure: Likewise. + * libc/sys/configure.in: Likewise. + * libc/sys/arc/Makefile.am: Likewise. + * libc/sys/arc/Makefile.in: Likewise. + * libc/sys/arc/aclocal.m4: Likewise. + * libc/sys/arc/configure: Likewise. + * libc/sys/arc/configure.in: Likewise. + * libc/sys/arc/crt0.S: Likewise. + * libc/sys/arc/dummy.S: Likewise. + * libc/sys/arc/isatty.c: Likewise. + * libc/sys/arc/mem-layout.c: Likewise. + * libc/sys/arc/sbrk.c: Likewise. + * libc/sys/arc/sys/syscall.h: Likewise. + * libc/sys/arc/syscalls.c: Likewise. + 2015-11-12 Marcus Shawcroft * testsuite/lib/flags.exp (libgloss_link_flags): Drop multilibtop diff --git a/newlib/configure.host b/newlib/configure.host index 6e2f98f23..9851fbc21 100644 --- a/newlib/configure.host +++ b/newlib/configure.host @@ -398,9 +398,6 @@ case "${host}" in sys_dir=a29khif signal_dir= ;; - arc-*-*) - sys_dir=arc - ;; arm*-*-*) sys_dir=arm if [ "x${newlib_may_supply_syscalls}" = "xno" ] ; then diff --git a/newlib/libc/sys/arc/Makefile.am b/newlib/libc/sys/arc/Makefile.am deleted file mode 100644 index bd9bbc122..000000000 --- a/newlib/libc/sys/arc/Makefile.am +++ /dev/null @@ -1,19 +0,0 @@ -## Process this file with automake to generate Makefile.in - -AUTOMAKE_OPTIONS = cygnus - -INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) - -AM_CCASFLAGS = $(INCLUDES) - -noinst_LIBRARIES = lib.a - -lib_a_SOURCES = isatty.c mem-layout.c sbrk.c syscalls.c -EXTRA_lib_a_SOURCES = dummy.S -lib_a_CCASFLAGS = $(AM_CCASFLAGS) -lib_a_CFLAGS = $(AM_CFLAGS) - -all-local: crt0.o - -ACLOCAL_AMFLAGS = -I ../../.. -I ../../../.. -CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host diff --git a/newlib/libc/sys/arc/Makefile.in b/newlib/libc/sys/arc/Makefile.in deleted file mode 100644 index c320e6e7a..000000000 --- a/newlib/libc/sys/arc/Makefile.in +++ /dev/null @@ -1,474 +0,0 @@ -# Makefile.in generated by automake 1.11.6 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software -# Foundation, Inc. -# This Makefile.in is free software; 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"write failure creating $CONFIG_STATUS" "$LINENO" 5 - - -# configure is writing to config.log, and then calls config.status. -# config.status does its own redirection, appending to config.log. -# Unfortunately, on DOS this fails, as config.log is still kept open -# by configure, so config.status won't be able to write to it; its -# output is simply discarded. So we exec the FD to /dev/null, -# effectively closing config.log, so it can be properly (re)opened and -# appended to by config.status. When coming back to configure, we -# need to make the FD available again. -if test "$no_create" != yes; then - ac_cs_success=: - ac_config_status_args= - test "$silent" = yes && - ac_config_status_args="$ac_config_status_args --quiet" - exec 5>/dev/null - $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false - exec 5>>config.log - # Use ||, not &&, to avoid exiting from the if with $? = 1, which - # would make configure fail if this is the last instruction. - $ac_cs_success || as_fn_exit 1 -fi -if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 -$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} -fi - diff --git a/newlib/libc/sys/arc/configure.in b/newlib/libc/sys/arc/configure.in deleted file mode 100644 index 6651f71c1..000000000 --- a/newlib/libc/sys/arc/configure.in +++ /dev/null @@ -1,14 +0,0 @@ -dnl This is the newlib/libc/sys/arc configure.in file. -dnl Process this file with autoconf to produce a configure script. - -AC_PREREQ(2.59) -AC_INIT([newlib],[NEWLIB_VERSION]) -AC_CONFIG_SRCDIR([isatty.c]) - -dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. -AC_CONFIG_AUX_DIR(../../../..) - -NEWLIB_CONFIGURE(../../..) - -AC_CONFIG_FILES([Makefile]) -AC_OUTPUT diff --git a/newlib/libc/sys/arc/crt0.S b/newlib/libc/sys/arc/crt0.S deleted file mode 100644 index 346339774..000000000 --- a/newlib/libc/sys/arc/crt0.S +++ /dev/null @@ -1,75 +0,0 @@ -; ARC start up file -; In the absence of a custom linker script, go with something simple. -; We do not support passing arguments to "main", but this is an embedded -; system anyway. -; -; We call init/fini here without cpu prefixes because there is always -; only one .init/.fini section per image. - - .section .text - .align 4 - - .global start -start: - - mov sp,end ; Round "sp" up to page after "end". - add sp,sp,4095 - and sp,sp,-4096 - - ld r8,[stack_size] ; Add stack size to "sp". - add sp,sp,r8 - - st sp,[sbrk_start] ; Initialize malloc heap. - st sp,[sbrk_loc] - - sub sp,sp,16 ; callee expects 16 bytes already "pushed". - mov fp,0 ; Top of stack frame indicator. - - mov r0,edata ; Zero bss. - mov r2,end - sub r2,r2,r0 - mov r1,0 - -#ifdef __base__ - bl.nd _memset - bl.nd init ; .init section entry point. - mov r0,%st(fini) ; .fini section entry point. - bl.nd _atexit - mov r0,0 ; argc - mov r1,0 ; argv - bl.nd _main - bl.nd _exit -#endif - -#ifdef __host__ - bl.nd _host_memset - bl.nd init ; .init section entry point. - mov r0,%st(fini) ; .fini section entry point. - bl.nd _host_atexit - mov r0,0 ; argc - mov r1,0 ; argv - bl.nd _host_main - bl.nd _host_exit -#endif - -#ifdef __graphics__ - bl.nd _graphics_memset - bl.nd init ; .init section entry point. - mov r0,%st(fini) ; .fini section entry point. - bl.nd _graphics_atexit - mov r0,0 ; argc - mov r1,0 ; argv - bl.nd _graphics_main - bl.nd _graphics_exit -#endif - -#ifdef __audio__ - bl.nd _audio_memset - bl.nd init ; .init section entry point. - mov r0,%st(fini) ; .fini section entry point. - bl.nd _audio_atexit - mov r0,0 ; argc - mov r1,0 ; argv - bl.nd _audio_main - bl.nd _audio_exit -#endif diff --git a/newlib/libc/sys/arc/dummy.S b/newlib/libc/sys/arc/dummy.S deleted file mode 100644 index f0aa8fede..000000000 --- a/newlib/libc/sys/arc/dummy.S +++ /dev/null @@ -1 +0,0 @@ -/* Dummy file to force .S.o suffix rule generation. */ diff --git a/newlib/libc/sys/arc/isatty.c b/newlib/libc/sys/arc/isatty.c deleted file mode 100644 index fe64209b9..000000000 --- a/newlib/libc/sys/arc/isatty.c +++ /dev/null @@ -1,18 +0,0 @@ -/* isatty.c */ - -/* Dumb implementation so programs will at least run. */ - -#include -#include - -int -_isatty_r (struct _reent *ptr, int fd) -{ - struct stat buf; - - if (_fstat_r (ptr, fd, &buf) < 0) - return 0; - if (S_ISCHR (buf.st_mode)) - return 1; - return 0; -} diff --git a/newlib/libc/sys/arc/mem-layout.c b/newlib/libc/sys/arc/mem-layout.c deleted file mode 100644 index e9c215220..000000000 --- a/newlib/libc/sys/arc/mem-layout.c +++ /dev/null @@ -1,21 +0,0 @@ -/* Ideally this kind of stuff is specified in a linker script. It's not clear - what the default linker script should do, so for now we have this. */ - -/* Keep this file separate from sbrk.c so the programmer can supply his/her - own _sbrk_r. This file could go in crt0.S, but I want to keep this in C. - This is all just an experiment anyway. */ - -#ifndef STACK_SIZE -/* Cache lines recycle at 4096 I think, and 4096 is listed as the page size, - so we make the stack size a multiple of it. Not that it's relevant or - anything, but why not base it on *something*? */ -#define STACK_SIZE (4096 * 4) -#endif - -int stack_size asm ("stack_size") = STACK_SIZE; - -#ifndef SBRK_SIZE -#define SBRK_SIZE (4096 * 32) -#endif - -int sbrk_size asm ("sbrk_size") = SBRK_SIZE; diff --git a/newlib/libc/sys/arc/sbrk.c b/newlib/libc/sys/arc/sbrk.c deleted file mode 100644 index 9f863cded..000000000 --- a/newlib/libc/sys/arc/sbrk.c +++ /dev/null @@ -1,43 +0,0 @@ -/* sbrk support */ - -/* The current plan is to have one sbrk handler for all cpus. - Hence use `asm' for each global variable here to avoid the cpu prefix. - We can't intrude on the user's namespace (another reason to use asm). */ - -#include -#include -#include -#include - -/* These variables are publicly accessible for debugging purposes. - The user is also free to set sbrk_size to something different. - See mem-layout.c. */ - -extern int sbrk_size asm ("sbrk_size"); - -caddr_t sbrk_start asm ("sbrk_start"); -caddr_t sbrk_loc asm ("sbrk_loc"); - -/*caddr_t _sbrk_r (struct _reent *, size_t) asm ("__sbrk_r");*/ - -/* FIXME: We need a semaphore here. */ - -caddr_t -_sbrk_r (struct _reent *r, size_t nbytes) -{ - caddr_t result; - - if ( - /* Ensure we don't underflow. */ - sbrk_loc + nbytes < sbrk_start - /* Ensure we don't overflow. */ - || sbrk_loc + nbytes > sbrk_start + sbrk_size) - { - errno = ENOMEM; - return ((caddr_t) -1); - } - - result = sbrk_loc; - sbrk_loc += nbytes; - return result; -} diff --git a/newlib/libc/sys/arc/sys/syscall.h b/newlib/libc/sys/arc/sys/syscall.h deleted file mode 100644 index b5d8aa2e1..000000000 --- a/newlib/libc/sys/arc/sys/syscall.h +++ /dev/null @@ -1,53 +0,0 @@ -/* ARC system call interface */ - -/* A special version of the flag insn is used to distinguish syscalls from - breakpoints (a breakpoint might be set at the same place). - - The upper 23 bits of the argument to a flag insn are not currently used. - By convention, bit 31 is one to indicate this is a specially coded operand. - The next 15 bits (bits 30-16) can be used for software purposes. - The format isn't documented yet, so the pattern we use here may change. */ - -#define SYSCALL_MARKER 0x80010000 -#define SYSCALL_MAGIC 0x61082300 - -/* Perform a system call. - - If ERR is 0, it succeeded. Otherwise it is a positive value for errno. */ - -#define SYSCALL(op, rc, err, r0, r1, r2) \ -asm volatile ( "\ - mov r0,%2\n\t \ - mov r1,%3\n\t \ - mov r2,%4\n\t \ - mov r3,%5\n\t \ - mov r4,%6\n\t \ - flag %7\n\t \ - nop\n\t \ - nop\n\t \ - nop\n\t \ - mov %0,r0\n\t \ - mov %1,r1" \ - : "=r" (rc), "=r" (err) \ - : "i" (SYSCALL_MAGIC), "r" (op), "r" (r0), "r" (r1), "r" (r2), \ - "i" (1 | SYSCALL_MARKER) \ - : "r0", "r1", "r2", "r3", "r4"); - -#define SYS_exit 1 -#define SYS_open 2 -#define SYS_close 3 -#define SYS_read 4 -#define SYS_write 5 -#define SYS_lseek 6 -#define SYS_link 7 -#define SYS_unlink 8 -#define SYS_chdir 9 -#define SYS_chmod 10 -#define SYS_stat 11 -#define SYS_fstat 12 -#define SYS_access 13 -#define SYS_getpid 14 -#define SYS_kill 15 -#define SYS_time 16 - -#define SYS_MAX 17 diff --git a/newlib/libc/sys/arc/syscalls.c b/newlib/libc/sys/arc/syscalls.c deleted file mode 100644 index 9c578451a..000000000 --- a/newlib/libc/sys/arc/syscalls.c +++ /dev/null @@ -1,131 +0,0 @@ -#include -#include -#include -#include <_ansi.h> -#include -#include -#include -#include - -_ssize_t -_read_r (struct _reent *r, int fd, void *buf, size_t nbytes) -{ - int err; - _ssize_t rc; - - SYSCALL (SYS_read, rc, err, fd, buf, nbytes); - if (err) - __errno_r (r) = err; - return rc; -} - -_ssize_t -_write_r (struct _reent *r, int fd, const void *buf, size_t nbytes) -{ - int err; - _ssize_t rc; - - SYSCALL (SYS_write, rc, err, fd, buf, nbytes); - if (err) - __errno_r (r) = err; - return rc; -} - -/* FIXME: The prototype in for open() uses ..., - but reent.h uses int. */ - -int -_open_r (struct _reent *r, const char *buf, int flags, int mode) -{ - int rc,err; -#if 0 - int mode; - va_list ap; - - va_start (ap, flags); - mode = va_arg (ap, int); - va_end (ap); -#endif - - SYSCALL (SYS_open, rc, err, buf, flags, mode); - if (err) - __errno_r (r) = err; - return rc; -} - -int -_close_r (struct _reent *r, int fd) -{ - int rc,err; - - SYSCALL (SYS_close, rc, err, fd, 0, 0); - if (err) - __errno_r (r) = err; - return rc; -} - -off_t -_lseek_r (struct _reent *r, int fd, off_t offset, int whence) -{ - int err; - off_t rc; - - SYSCALL (SYS_lseek, rc, err, fd, offset, whence); - if (err) - __errno_r (r) = err; - return rc; -} - -int -_fstat_r (struct _reent *r, int fd, struct stat *buf) -{ - int rc,err; - - SYSCALL (SYS_fstat, rc, err, fd, buf, 0); - if (err) - __errno_r (r) = err; - return rc; -} - -/* FIXME: Shouldn't this be _exit_r? */ - -void -_exit (int ret) -{ - int rc,err; - - SYSCALL (SYS_exit, rc, err, ret, 0, 0); - - /* If that failed, use an infinite loop. */ - while (1) - continue; -} - -time_t -_time (time_t *timer) -{ - return 0; -} - -int -_creat_r (struct _reent *r, const char *path, int mode) -{ - return _open_r (r, path, O_CREAT | O_TRUNC, mode); -} - -int -_getpid_r (struct _reent *r) -{ - return 42; -} - -int -_kill_r (struct _reent *r, int pid, int sig) -{ - int rc,err; - - SYSCALL (SYS_kill, rc, err, pid, sig, 0); - if (err) - __errno_r (r) = err; - return rc; -} diff --git a/newlib/libc/sys/configure b/newlib/libc/sys/configure index 6b2b6eac8..f61db16bd 100755 --- a/newlib/libc/sys/configure +++ b/newlib/libc/sys/configure @@ -786,7 +786,6 @@ LIBS CPPFLAGS CPP' ac_subdirs_all='a29khif -arc arm d10v decstation @@ -11456,7 +11455,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 11459 "configure" +#line 11458 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -11562,7 +11561,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 11565 "configure" +#line 11564 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -11806,8 +11805,6 @@ if test -n "${sys_dir}"; then a29khif) subdirs="$subdirs a29khif" - ;; - arc) subdirs="$subdirs arc" ;; arm) subdirs="$subdirs arm" ;; diff --git a/newlib/libc/sys/configure.in b/newlib/libc/sys/configure.in index 4c6266d60..b50a6d37d 100644 --- a/newlib/libc/sys/configure.in +++ b/newlib/libc/sys/configure.in @@ -23,7 +23,6 @@ fi if test -n "${sys_dir}"; then case ${sys_dir} in a29khif) AC_CONFIG_SUBDIRS(a29khif) ;; - arc) AC_CONFIG_SUBDIRS(arc) ;; arm) AC_CONFIG_SUBDIRS(arm) ;; d10v) AC_CONFIG_SUBDIRS(d10v) ;; decstation) AC_CONFIG_SUBDIRS(decstation) ;;