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configure Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: fork.c =================================================================== --- fork.c (nonexistent) +++ fork.c (revision 1765) @@ -0,0 +1,11 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +int +_fork () +{ + return TRAP0 (SYS_fork, 0, 0, 0); +} Index: Makefile.in =================================================================== --- Makefile.in (nonexistent) +++ Makefile.in (revision 1765) @@ -0,0 +1,148 @@ +# 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. + +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 = crt0.o + +# Generic object files common to all targets. +GENOBJS = _exit.o access.o chmod.o close.o crt1.o \ + fstat.o getpid.o isatty.o \ + kill.o lseek.o open.o read.o \ + sbrk.o stat.o time.o trap.o unlink.o utime.o write.o + +# Object files specific to particular targets. +EVALOBJS = ${GENOBJS} + +CFLAGS = -g + +GCC_LDFLAGS = `if [ -d ${objroot}/../gcc ] ; \ + then echo -L${objroot}/../gcc ; fi` + +SCRIPTS = eval sim +BSP = libeval.a + +# Host specific makefile fragment comes in here. +@host_makefile_frag@ + +# +# build a test program for each target board. Just trying to get +# it to link is a good test, so we ignore all the errors for now. +# + +all: ${CRT0} test.o ${BSP} + +# +# here's where we build the board support packages for each target +# + +libeval.a: $(EVALOBJS) + ${AR} ${ARFLAGS} $@ $(EVALOBJS) + ${RANLIB} $@ + + +# compile a fully linked binary. The -Wl,-T*.ld is for the linker +# script. By using -Wl, the linker script is put on the proper place +# in the comand line for ld, and all the symbols will get fully +# resolved. + +test: $(CRT0) test.o + ${CC} $(CFLAGS_FOR_TARGET) -L${srcdir} -L${objdir} \ + test.o -o $@ $(NEWLIB_LDFLAGS) -Wl,-Teval.ld + @echo Done... + +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}; do\ + $(INSTALL_PROGRAM) $${bsp} $(tooldir)/lib${MULTISUBDIR}; \ + done + @for script in ${SCRIPTS}; do\ + $(INSTALL_DATA) ${srcdir}/$${script}.ld $(tooldir)/lib${MULTISUBDIR}/$${script}.ld; \ + done + +info: +install-info: +clean-info: + +test.o: ${srcdir}/test.c + +# these are for the BSPs +${CRT0}: ${srcdir}/crt0.S + +# target specific makefile fragment comes in here. +@target_makefile_frag@ + +Makefile: Makefile.in config.status @host_makefile_frag_path@ @target_makefile_frag_path@ + $(SHELL) config.status + +config.status: configure + $(SHELL) config.status --recheck Index: open.c =================================================================== --- open.c (nonexistent) +++ open.c (revision 1765) @@ -0,0 +1,12 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +int +_open (const char *path, + int flags) +{ + return TRAP0 (SYS_open, path, flags, 0); +} Index: wait.c =================================================================== --- wait.c (nonexistent) +++ wait.c (revision 1765) @@ -0,0 +1,12 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +int +_wait (statusp) + int *statusp; +{ + return TRAP0 (SYS_wait, 0, 0, 0); +} Index: sim.ld =================================================================== --- sim.ld (nonexistent) +++ sim.ld (revision 1765) @@ -0,0 +1,152 @@ +/* Linker script for the MN10200 simulator. */ + +OUTPUT_FORMAT("elf32-mn10200", "elf32-mn10200", + "elf32-mn10200") +OUTPUT_ARCH(mn10200) +ENTRY(_start) +GROUP(-lc -leval -lgcc) +SEARCH_DIR(.); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = 0x0; + + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + .rel.text : + { *(.rel.text) *(.rel.gnu.linkonce.t*) } + .rela.text : + { *(.rela.text) *(.rela.gnu.linkonce.t*) } + .rel.data : + { *(.rel.data) *(.rel.gnu.linkonce.d*) } + .rela.data : + { *(.rela.data) *(.rela.gnu.linkonce.d*) } + .rel.rodata : + { *(.rel.rodata) *(.rel.gnu.linkonce.r*) } + .rela.rodata : + { *(.rela.rodata) *(.rela.gnu.linkonce.r*) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.init : { *(.rel.init) } + .rela.init : { *(.rela.init) } + .rel.fini : { *(.rel.fini) } + .rela.fini : { *(.rela.fini) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } =0 + .plt : { *(.plt) } + .text : + { + *(.text) + *(.stub) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + *(.gnu.linkonce.t*) + } =0 + _etext = .; + PROVIDE (etext = .); + .fini : { *(.fini) } =0 + .rodata : { *(.rodata) *(.gnu.linkonce.r*) } + .rodata1 : { *(.rodata1) } + /* Adjust the address for the data segment. We want to adjust up to + the same address within the page on the next page up. */ + . = ALIGN(1) + (. & (1 - 1)); + .data : + { + *(.data) + *(.gnu.linkonce.d*) + CONSTRUCTORS + } + .data1 : { *(.data1) } + .ctors : + { + ___ctors = .; + /* gcc uses crtbegin.o to find the start of the constructors, so + we make sure it is first. Because this is a wildcard, it + doesn't matter if the user does not actually link against + crtbegin.o; the linker won't look for a file to match a + wildcard. The wildcard also means that it doesn't matter which + directory crtbegin.o is in. */ + *crtbegin.o(.ctors) + *(SORT(.ctors.*)) + *(.ctors) + ___ctors_end = .; + } + .dtors : + { + ___dtors = .; + *crtbegin.o(.dtors) + *(SORT(.dtors.*)) + *(.dtors) + ___dtors_end = .; + } + .got : { *(.got.plt) *(.got) } + .dynamic : { *(.dynamic) } + /* We want the small data sections together, so single-instruction offsets + can access them all, and initialized data all before uninitialized, so + we can shorten the on-disk segment size. */ + .sdata : { *(.sdata) } + _edata = .; + PROVIDE (edata = .); + __bss_start = .; + .sbss : { *(.sbss) *(.scommon) } + .bss : + { + *(.dynbss) + *(.bss) + *(COMMON) + } + . = ALIGN(32 / 8); + _end = . ; + PROVIDE (end = .); + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + + .stack 0x80000 : { _stack = .; *(.stack) *(._stack) } + + /* These must appear regardless of . */ +} Index: close.c =================================================================== --- close.c (nonexistent) +++ close.c (revision 1765) @@ -0,0 +1,11 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +int +_close (int file) +{ + return TRAP0 (SYS_close, file, 0, 0); +} Index: execv.c =================================================================== --- execv.c (nonexistent) +++ execv.c (revision 1765) @@ -0,0 +1,11 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +int +execv (const char *path, char *const argv[]) +{ + return TRAP0 (SYS_execv, path, argv, 0); +} Index: stat.c =================================================================== --- stat.c (nonexistent) +++ stat.c (revision 1765) @@ -0,0 +1,12 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +int +_stat (const char *path, struct stat *st) + +{ + return TRAP0 (SYS_stat, path, st, 0); +} Index: read.c =================================================================== --- read.c (nonexistent) +++ read.c (revision 1765) @@ -0,0 +1,12 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +_read (int file, + char *ptr, + size_t len) +{ + return TRAP0 (SYS_read, file, ptr, len); +} Index: getpid.c =================================================================== --- getpid.c (nonexistent) +++ getpid.c (revision 1765) @@ -0,0 +1,10 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +_getpid (n) +{ + return 1; +} Index: chown.c =================================================================== --- chown.c (nonexistent) +++ chown.c (revision 1765) @@ -0,0 +1,12 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + + +int +chown (const char *path, short owner, short group) +{ + return TRAP0 (SYS_chown, path, owner, group); +} Index: execve.c =================================================================== --- execve.c (nonexistent) +++ execve.c (revision 1765) @@ -0,0 +1,11 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +int +_execve (const char *path, char *const argv[], char *const envp[]) +{ + return TRAP0 (SYS_execve, path, argv, envp); +} Index: utime.c =================================================================== --- utime.c (nonexistent) +++ utime.c (revision 1765) @@ -0,0 +1,13 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +int +utime (path, times) + const char *path; + char *times; +{ + return TRAP0 (SYS_utime, path, times, 0); +} Index: trap.S =================================================================== --- trap.S (nonexistent) +++ trap.S (revision 1765) @@ -0,0 +1,9 @@ + .text + .global ___trap0 +___trap0: + syscall + cmp 0,d0 + beq noerr + mov d0,(_errno) +noerr: + rts Index: crt0.S =================================================================== --- crt0.S (nonexistent) +++ crt0.S (revision 1765) @@ -0,0 +1,58 @@ +##============================================================================== +## +## crt0.S +## +## MN10200 startup code +## +##============================================================================== +## +## Copyright (c) 1995, 1996, 1997, 1998 Cygnus Solutions +## +## 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. +## + +##------------------------------------------------------------------------------ + + .file "crt0.S" + +##------------------------------------------------------------------------------ +## Startup code + .section .text + .global _start +_start: + mov _stack,a3 # Load up the stack pointer and allocate + # our current frame. + + mov _edata,a0 # Get the start/end of bss + mov _end,a1 + + cmp a0,a1 # If no bss, then do nothing + beqx .L0 + + sub d0,d0 # clear d0 + +.L1: + movb d0,(a0) # Clear a byte and bump pointer + add 1,a0 + cmp a0,a1 + bnex .L1 + +.L0: + jsr ___main + sub d0,d0 + mov d0,d1 + mov d0,(a3) + jsr _main # Call main program + jmp _exit # All done, no need to return or + # deallocate our stack. + + .section .stack +_stack: .long 1 Index: kill.c =================================================================== --- kill.c (nonexistent) +++ kill.c (revision 1765) @@ -0,0 +1,11 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +_kill (n, m) +{ + return TRAP0 (SYS_exit, 0xdead, 0, 0); +} + Index: time.c =================================================================== --- time.c (nonexistent) +++ time.c (revision 1765) @@ -0,0 +1,11 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +time_t +time (time_t *tloc) +{ + return TRAP0 (SYS_time, tloc, 0, 0); +} Index: access.c =================================================================== --- access.c (nonexistent) +++ access.c (revision 1765) @@ -0,0 +1,34 @@ +/* This is file ACCESS.C */ +/* +** Copyright (C) 1993 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954 +** +** This file is distributed under the terms listed in the document +** "copying.dj", available from DJ Delorie at the address above. +** A copy of "copying.dj" should accompany this file; if not, a copy +** should be available from where this file was obtained. This file +** may not be distributed without a verbatim copy of "copying.dj". +** +** This file is distributed WITHOUT ANY WARRANTY; without even the implied +** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +*/ + +#include +#include +#include + +int access(const char *fn, int flags) +{ + struct stat s; + if (stat(fn, &s)) + return -1; + if (s.st_mode & S_IFDIR) + return 0; + if (flags & W_OK) + { + if (s.st_mode & S_IWRITE) + return 0; + return -1; + } + return 0; +} + Index: sbrk.c =================================================================== --- sbrk.c (nonexistent) +++ sbrk.c (revision 1765) @@ -0,0 +1,31 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +caddr_t +_sbrk (size_t incr) +{ + extern char end; /* Defined by the linker */ + static char *heap_end; + char *prev_heap_end; +#if 0 + char *sp = (char *)stack_ptr; +#else + char *sp = (char *)&sp; +#endif + + if (heap_end == 0) + { + heap_end = &end; + } + prev_heap_end = heap_end; + heap_end += incr; + if (heap_end > sp) + { + _write (1, "Heap and stack collision\n", 25); + abort (); + } + return (caddr_t) prev_heap_end; +} Index: lseek.c =================================================================== --- lseek.c (nonexistent) +++ lseek.c (revision 1765) @@ -0,0 +1,14 @@ +#include <_ansi.h> +#include +#include +#include +#include "trap.h" + + +off_t +_lseek (int file, + off_t ptr, + int dir) +{ + return TRAP0 (SYS_lseek, file, ptr, dir); +} Index: eval.ld =================================================================== --- eval.ld (nonexistent) +++ eval.ld (revision 1765) @@ -0,0 +1,157 @@ +/* Linker script for the MN10200 Evaluation Board. + It differs from the default linker script only in the + addresses assigned to text and stack sections. +*/ + +OUTPUT_FORMAT("elf32-mn10200", "elf32-mn10200", + "elf32-mn10200") +OUTPUT_ARCH(mn10200) +ENTRY(_start) +GROUP(-lc -leval -lgcc) +SEARCH_DIR(.); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + /* Start of RAM (leaving room for Cygmon data) */ + . = 0x408000; + + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + .rel.text : + { *(.rel.text) *(.rel.gnu.linkonce.t*) } + .rela.text : + { *(.rela.text) *(.rela.gnu.linkonce.t*) } + .rel.data : + { *(.rel.data) *(.rel.gnu.linkonce.d*) } + .rela.data : + { *(.rela.data) *(.rela.gnu.linkonce.d*) } + .rel.rodata : + { *(.rel.rodata) *(.rel.gnu.linkonce.r*) } + .rela.rodata : + { *(.rela.rodata) *(.rela.gnu.linkonce.r*) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.init : { *(.rel.init) } + .rela.init : { *(.rela.init) } + .rel.fini : { *(.rel.fini) } + .rela.fini : { *(.rela.fini) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } =0 + .plt : { *(.plt) } + .text : + { + *(.text) + *(.stub) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + *(.gnu.linkonce.t*) + } =0 + _etext = .; + PROVIDE (etext = .); + .fini : { *(.fini) } =0 + .rodata : { *(.rodata) *(.gnu.linkonce.r*) } + .rodata1 : { *(.rodata1) } + /* Adjust the address for the data segment. We want to adjust up to + the same address within the page on the next page up. */ + . = ALIGN(1) + (. & (1 - 1)); + .data : + { + *(.data) + *(.gnu.linkonce.d*) + CONSTRUCTORS + } + .data1 : { *(.data1) } + .ctors : + { + ___ctors = .; + /* gcc uses crtbegin.o to find the start of the constructors, so + we make sure it is first. Because this is a wildcard, it + doesn't matter if the user does not actually link against + crtbegin.o; the linker won't look for a file to match a + wildcard. The wildcard also means that it doesn't matter which + directory crtbegin.o is in. */ + *crtbegin.o(.ctors) + *(SORT(.ctors.*)) + *(.ctors) + ___ctors_end = .; + } + .dtors : + { + ___dtors = .; + *crtbegin.o(.dtors) + *(SORT(.dtors.*)) + *(.dtors) + ___dtors_end = .; + } + .got : { *(.got.plt) *(.got) } + .dynamic : { *(.dynamic) } + /* We want the small data sections together, so single-instruction offsets + can access them all, and initialized data all before uninitialized, so + we can shorten the on-disk segment size. */ + .sdata : { *(.sdata) } + _edata = .; + PROVIDE (edata = .); + __bss_start = .; + .sbss : { *(.sbss) *(.scommon) } + .bss : + { + *(.dynbss) + *(.bss) + *(COMMON) + } + . = ALIGN(32 / 8); + _end = . ; + PROVIDE (end = .); + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + + /* Top of RAM is 0x43ffff, but Cygmon uses the top 4K for its stack. */ + .stack 0x43f000 : { _stack = .; *(.stack) *(._stack) } + + /* These must appear regardless of . */ +} Index: configure.in =================================================================== --- configure.in (nonexistent) +++ configure.in (revision 1765) @@ -0,0 +1,115 @@ +# Copyright (c) 1995, 1996, 1997, 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. +# +# Process this file with autoconf to produce a configure script. +# +AC_PREREQ(2.5)dnl +AC_INIT(crt0.S) + +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 +]) + +LIB_AC_PROG_CC +AS=${AS-as} +AC_SUBST(AS) +AR=${AR-ar} +AC_SUBST(AR) +LD=${LD-ld} +AC_SUBST(LD) +AC_PROG_RANLIB + +case "${target}" in + *) + part_specific_obj=vr4300.o + ;; +esac + +host_makefile_frag=${srcdir}/../config/default.mh +target_makefile_frag=${srcdir}/../config/mn10200.mt + +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=$host_makefile_frag +AC_SUBST(host_makefile_frag_path) +AC_SUBST_FILE(host_makefile_frag) +target_makefile_frag_path=$target_makefile_frag +AC_SUBST(target_makefile_frag_path) +AC_SUBST_FILE(target_makefile_frag) +AC_SUBST(part_specific_obj) + +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} +) + + Index: _exit.c =================================================================== --- _exit.c (nonexistent) +++ _exit.c (revision 1765) @@ -0,0 +1,29 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +static void _do_dtors() +{ + /* The loop variable is static so that if a destructor calls exit, + and we return here, we simply continue with the next destructor. */ + typedef void (*pfunc) (); + extern pfunc __dtors[]; + extern pfunc __dtors_end[]; + static pfunc *p = __dtors; + + while (p < __dtors_end) + (*p++) (); +} + + +void _exit (n) +{ + /* Destructors should be done earlier because they need to be done before the + files are closed, but here is better than nowhere (and this balances the + constructors done in crt1.c. */ + _do_dtors(); + + TRAP0 (SYS_exit, n, 0, 0); +} Index: crt1.c =================================================================== --- crt1.c (nonexistent) +++ crt1.c (revision 1765) @@ -0,0 +1,16 @@ +void __main () +{ + static int initialized; + if (! initialized) + { + typedef void (*pfunc) (); + extern pfunc __ctors[]; + extern pfunc __ctors_end[]; + pfunc *p; + + initialized = 1; + for (p = __ctors_end; p > __ctors; ) + (*--p) (); + + } +} Index: trap.h =================================================================== --- trap.h (nonexistent) +++ trap.h (revision 1765) @@ -0,0 +1,5 @@ +#include "syscall.h" + +int __trap0 (); + +#define TRAP0(f, p1, p2, p3) __trap0(f, (p1), (p2), (p3)) Index: isatty.c =================================================================== --- isatty.c (nonexistent) +++ isatty.c (revision 1765) @@ -0,0 +1,11 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +isatty (fd) + int fd; +{ + return 1; +} Index: test.c =================================================================== --- test.c (nonexistent) +++ test.c (revision 1765) @@ -0,0 +1,40 @@ +#include +#include + +static void +send_msg1 (void) +{ + static char msg[] = "Hello World\r\n"; + write(1, msg, strlen (msg)); +} + +static void +send_msg2 (void) +{ + static char msg[] = "Goodnight Irene\r\n"; + write(1, msg, strlen (msg)); +} + +static void +delay (void) +{ + int i; + + for (i = 0; i < 32000; i++) + ; +} + +int +main(int argc, char *argv[]) +{ + int i, j; + for (i = 0; i < 10; i++) + { + send_msg1 (); + delay (); + send_msg2 (); + } + return 0; +} + + Index: fstat.c =================================================================== --- fstat.c (nonexistent) +++ fstat.c (revision 1765) @@ -0,0 +1,14 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +int +_fstat (int file, + struct stat *st) +{ + st->st_mode = S_IFCHR; + st->st_blksize = 4096; + return 0; +} Index: times.c =================================================================== --- times.c (nonexistent) +++ times.c (revision 1765) @@ -0,0 +1,12 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" +#include "sys/times.h" + + +clock_t +times (struct tms *buffer) +{ + return TRAP0 (SYS_times, buffer, 0, 0); +} Index: chmod.c =================================================================== --- chmod.c (nonexistent) +++ chmod.c (revision 1765) @@ -0,0 +1,11 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +int +chmod (const char *path, mode_t mode) +{ + return TRAP0 (SYS_chmod, path, mode, 0); +} Index: write.c =================================================================== --- write.c (nonexistent) +++ write.c (revision 1765) @@ -0,0 +1,13 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +int +_write ( int file, + char *ptr, + size_t len) +{ + return TRAP0 (SYS_write, file, ptr, len); +} Index: pipe.c =================================================================== --- pipe.c (nonexistent) +++ pipe.c (revision 1765) @@ -0,0 +1,11 @@ +#include <_ansi.h> +#include +#include +#include "trap.h" + + +int +pipe (int fd) +{ + return TRAP0 (SYS_pipe, fd, 0, 0); +}