diff options
Diffstat (limited to 'libgloss/arm')
32 files changed, 0 insertions, 7543 deletions
diff --git a/libgloss/arm/Makefile.in b/libgloss/arm/Makefile.in deleted file mode 100644 index 3fb7236..0000000 --- a/libgloss/arm/Makefile.in +++ /dev/null @@ -1,187 +0,0 @@ -# -# -DESTDIR = -VPATH = @srcdir@ @srcdir@/.. -srcdir = @srcdir@ -objdir = . -srcroot = $(srcdir)/../.. -objroot = $(objdir)/../.. - -prefix = @prefix@ -exec_prefix = @exec_prefix@ - -host_alias = @host_alias@ -target_alias = @target_alias@ - -bindir = @bindir@ -libdir = @libdir@ -tooldir = $(exec_prefix)/$(target_alias) - -objtype = @objtype@ - -INSTALL = @INSTALL@ -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ - -# Multilib support variables. -# TOP is used instead of MULTI{BUILD,SRC}TOP. -MULTISRCTOP = -MULTIBUILDTOP = -MULTIDIRS = -MULTISUBDIR = -MULTIDO = true -MULTICLEAN = true - -SHELL = /bin/sh - -CC = @CC@ - -AS = @AS@ -AR = @AR@ -LD = @LD@ -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` - -@BUILD_CRT0_TRUE@CRT0 = crt0.o -@BUILD_CRT0_TRUE@CRT0_INSTALL = install-crt0 -@BUILD_CRT0_FALSE@CRT0 = -@BUILD_CRT0_FALSE@CRT0_INSTALL = - -LINUX_CRT0 = linux-crt0.o -LINUX_BSP = libgloss-linux.a -LINUX_OBJS = linux-syscalls0.o linux-syscalls1.o -LINUX_SCRIPTS = linux.specs -LINUX_INSTALL = install-linux - -REDBOOT_CRT0 = redboot-crt0.o -REDBOOT_OBJS = redboot-syscalls.o -REDBOOT_SCRIPTS = redboot.ld redboot.specs -REDBOOT_INSTALL = install-redboot - -RDPMON_CRT0 = rdpmon-crt0.o -RDPMON_BSP = librdpmon.a -RDPMON_OBJS = syscalls.o libcfunc.o trap.o _exit.o _kill.o -RDPMON_SCRIPTS = rdpmon.specs -RDPMON_INSTALL = install-rdpmon - -RDIMON_CRT0 = rdimon-crt0.o -RDIMON_BSP = librdimon.a -RDIMON_OBJS = $(patsubst %,rdimon-%,$(RDPMON_OBJS)) -RDIMON_SCRIPTS = rdimon.specs -RDIMON_INSTALL = install-rdimon - -CFLAGS = -g - -# Here is all of the eval board stuff -PID_SCRIPTS = pid.specs -PID_INSTALL = install-pid - -IQ80310_SCRIPTS = iq80310.specs -IQ80310_INSTALL = install-iq80310 - - -# 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} ${LINUX_CRT0} ${LINUX_BSP} ${REDBOOT_CRT0} ${REDBOOT_OBJS} ${RDPMON_CRT0} ${RDPMON_BSP} ${RDIMON_CRT0} ${RDIMON_BSP} - -# -# here's where we build the test programs for each target -# -.PHONY: test -test: - -# -crt0.o: crt0.S -redboot-crt0.o: redboot-crt0.S -redboot-syscalls.o: redboot-syscalls.c $(srcdir)/../syscall.h - -rdpmon-crt0.o: crt0.S - $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDP_MONITOR -o $@ -c $< - -rdimon-crt0.o: crt0.S - $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< - -rdimon-trap.o: trap.S - $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< - -rdimon-_exit.o: _exit.c - $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< - -rdimon-_kill.o: _kill.c - $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< - -rdimon-syscalls.o: syscalls.c - $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< - -rdimon-libcfunc.o: libcfunc.c - $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< - -$(LINUX_BSP): $(LINUX_OBJS) - ${AR} ${ARFLAGS} $@ $^ - ${RANLIB} $@ - -$(RDPMON_BSP): $(RDPMON_OBJS) - ${AR} ${ARFLAGS} $@ $^ - ${RANLIB} $@ - -$(RDIMON_BSP): $(RDIMON_OBJS) - ${AR} ${ARFLAGS} $@ $^ - ${RANLIB} $@ - -clean mostlyclean: - rm -f a.out core *.i *.o *-test *.srec *.dis *.x $(SIM_BSP) $(IQ80310_BSP) - -distclean maintainer-clean realclean: clean - rm -f Makefile config.status *~ - -.PHONY: install info install-info clean-info -install: ${CRT0_INSTALL} ${LINUX_INSTALL} ${REDBOOT_INSTALL} ${RDPMON_INSTALL} ${RDIMON_INSTALL} ${IQ80310_INSTALL} ${PID_INSTALL} - -install-crt0: - ${INSTALL_DATA} ${CRT0} $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x - -install-linux: - set -e; for x in ${LINUX_CRT0} ${LINUX_BSP}; do ${INSTALL_DATA} $$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done - set -e; for x in ${LINUX_SCRIPTS}; do ${INSTALL_DATA} ${srcdir}/${objtype}$$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done - -install-redboot: - set -e; for x in ${REDBOOT_CRT0} ${REDBOOT_OBJS}; do ${INSTALL_DATA} $$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done - set -e; for x in ${REDBOOT_SCRIPTS}; do ${INSTALL_DATA} ${srcdir}/${objtype}$$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done - -install-rdpmon: - set -e; for x in ${RDPMON_CRT0} ${RDPMON_BSP}; do ${INSTALL_DATA} $$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done - set -e; for x in ${RDPMON_SCRIPTS}; do ${INSTALL_DATA} ${srcdir}/${objtype}$$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done - -install-rdimon: - set -e; for x in ${RDIMON_CRT0} ${RDIMON_BSP}; do ${INSTALL_DATA} $$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done - set -e; for x in ${RDIMON_SCRIPTS}; do ${INSTALL_DATA} ${srcdir}/${objtype}$$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done - - -install-pid: - set -e; for x in ${PID_SCRIPTS}; do ${INSTALL_DATA} ${srcdir}/${objtype}$$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done - -install-iq80310: - set -e; for x in ${IQ80310_SCRIPTS}; do ${INSTALL_DATA} ${srcdir}/${objtype}$$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done - - -doc: -info: -install-info: -clean-info: - -Makefile: Makefile.in config.status @host_makefile_frag_path@ - $(SHELL) config.status - -config.status: configure - $(SHELL) config.status --recheck diff --git a/libgloss/arm/_exit.c b/libgloss/arm/_exit.c deleted file mode 100644 index ed00876..0000000 --- a/libgloss/arm/_exit.c +++ /dev/null @@ -1,15 +0,0 @@ -#include <_ansi.h> - -int _kill _PARAMS ((int, int)); -void _exit _PARAMS ((int)); - -void -_exit (int status) -{ - /* There is only one SWI for both _exit and _kill. For _exit, call - the SWI with the second argument set to -1, an invalid value for - signum, so that the SWI handler can distinguish the two calls. - Note: The RDI implementation of _kill throws away both its - arguments. */ - _kill (status, -1); -} diff --git a/libgloss/arm/_kill.c b/libgloss/arm/_kill.c deleted file mode 100644 index 81354d4..0000000 --- a/libgloss/arm/_kill.c +++ /dev/null @@ -1,25 +0,0 @@ -#include <_ansi.h> -#include <signal.h> -#include "swi.h" - -int _kill _PARAMS ((int, int)); - -int -_kill (int pid, int sig) -{ - (void) pid; (void) sig; -#ifdef ARM_RDI_MONITOR - /* Note: The pid argument is thrown away. */ - switch (sig) - { - case SIGABRT: - return do_AngelSWI (AngelSWI_Reason_ReportException, - (void *) ADP_Stopped_RunTimeError); - default: - return do_AngelSWI (AngelSWI_Reason_ReportException, - (void *) ADP_Stopped_ApplicationExit); - } -#else - asm ("swi %a0" :: "i" (SWI_Exit)); -#endif -} diff --git a/libgloss/arm/aclocal.m4 b/libgloss/arm/aclocal.m4 deleted file mode 100644 index b6cdfae..0000000 --- a/libgloss/arm/aclocal.m4 +++ /dev/null @@ -1,344 +0,0 @@ -# generated automatically by aclocal 1.9.5 -*- Autoconf -*- - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, -# 2005 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -# AM_CONDITIONAL -*- Autoconf -*- - -# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005 -# Free Software Foundation, Inc. -# -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# serial 7 - -# AM_CONDITIONAL(NAME, SHELL-CONDITION) -# ------------------------------------- -# Define a conditional. -AC_DEFUN([AM_CONDITIONAL], -[AC_PREREQ(2.52)dnl - ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])], - [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl -AC_SUBST([$1_TRUE]) -AC_SUBST([$1_FALSE]) -if $2; then - $1_TRUE= - $1_FALSE='#' -else - $1_TRUE='#' - $1_FALSE= -fi -AC_CONFIG_COMMANDS_PRE( -[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then - AC_MSG_ERROR([[conditional "$1" was never defined. -Usually this means the macro was only invoked conditionally.]]) -fi])]) - - -# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 -# Free Software Foundation, Inc. -# -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# serial 8 - -# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be -# written in clear, in which case automake, when reading aclocal.m4, -# will think it sees a *use*, and therefore will trigger all it's -# C support machinery. 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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. The name of the company may not be used to endorse or promote - * products derived from this software without specific prior written - * permission. - * - * THIS SOFTWARE IS PROVIDED BY ARM LTD ``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 ARM LTD 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. - */ - -#ifndef _LIBGLOSS_ARM_H -#define _LIBGLOSS_ARM_H - -/* __thumb2__ stands for thumb on armva7(A/R/M/EM) architectures, - __ARM_ARCH_6M__ stands for armv6-M(thumb only) architecture, - __ARM_ARCH_7M__ stands for armv7-M(thumb only) architecture. - __ARM_ARCH_7EM__ stands for armv7e-M(thumb only) architecture. - There are some macro combinations used many times in libgloss/arm, - like (__thumb2__ || (__thumb__ && __ARM_ARCH_6M__)), so factor - it out and use THUMB_V7_V6M instead, which stands for thumb on - v6-m/v7 arch as the combination does. */ -#if defined(__thumb2__) || (defined(__thumb__) && defined(__ARM_ARCH_6M__)) -# define THUMB_V7_V6M -#endif - -/* The (__ARM_ARCH_7EM__ || __ARM_ARCH_7M__ || __ARM_ARCH_6M__) combination - stands for cortex-M profile architectures, which don't support ARM state. - Factor it out and use THUMB_V7M_V6M instead. */ -#if defined(__ARM_ARCH_7M__) \ - || defined(__ARM_ARCH_7EM__) \ - || defined(__ARM_ARCH_6M__) -# define THUMB_V7M_V6M -#endif - -/* Defined if this target supports the BLX Rm instruction. */ -#if !defined(__ARM_ARCH_2__) \ - && !defined(__ARM_ARCH_3__) \ - && !defined(__ARM_ARCH_3M__) \ - && !defined(__ARM_ARCH_4__) \ - && !defined(__ARM_ARCH_4T__) -# define HAVE_CALL_INDIRECT -#endif - -#endif /* _LIBGLOSS_ARM_H */ diff --git a/libgloss/arm/coff-iq80310.specs b/libgloss/arm/coff-iq80310.specs deleted file mode 100644 index 2cd2d87..0000000 --- a/libgloss/arm/coff-iq80310.specs +++ /dev/null @@ -1,8 +0,0 @@ -%rename link old_link - -*link: --T redboot.ld%s -Ttext 0xA0020000 %(old_link) - -*startfile: -%{!pg:redboot-crt0%O%s} %{pg:redboot-crt0%O%s} redboot-syscalls%O%s - diff --git a/libgloss/arm/coff-pid.specs b/libgloss/arm/coff-pid.specs deleted file mode 100644 index 61bec3e..0000000 --- a/libgloss/arm/coff-pid.specs +++ /dev/null @@ -1,8 +0,0 @@ -%rename link old_link - -*link: --T redboot.ld%s -Ttext 0x10000 %(old_link) - -*startfile: -redboot-crt0%O%s redboot-syscalls%O%s - diff --git a/libgloss/arm/coff-rdimon.specs b/libgloss/arm/coff-rdimon.specs deleted file mode 100644 index ace5506..0000000 --- a/libgloss/arm/coff-rdimon.specs +++ /dev/null @@ -1,8 +0,0 @@ -%rename link old_link - -*link: -%(old_link) -lrdimon - -*startfile: -rdimon-crt0%O%s - diff --git a/libgloss/arm/coff-rdpmon.specs b/libgloss/arm/coff-rdpmon.specs deleted file mode 100644 index 6614612..0000000 --- a/libgloss/arm/coff-rdpmon.specs +++ /dev/null @@ -1,8 +0,0 @@ -%rename link old_link - -*link: -%(old_link) -lrdpmon - -*startfile: -rdpmon-crt0%O%s - diff --git a/libgloss/arm/coff-redboot.ld b/libgloss/arm/coff-redboot.ld deleted file mode 100644 index 0c33c3b..0000000 --- a/libgloss/arm/coff-redboot.ld +++ /dev/null @@ -1,54 +0,0 @@ -OUTPUT_FORMAT("coff-arm-little", "coff-arm-big", "coff-arm-little") - SEARCH_DIR(/toolbin/xscale-coff/lib); -ENTRY(_start) -SECTIONS -{ - /* We start at 0x8000 because gdb assumes it (see FRAME_CHAIN). - This is an artifact of the ARM Demon monitor using the bottom 32k - as workspace (shared with the FP instruction emulator if - present): */ - .text 0x8000 : { - *(.init) - *(.text*) - *(.glue_7t) - *(.glue_7) - *(.rdata) - ___CTOR_LIST__ = .; __CTOR_LIST__ = . ; - LONG (-1); *(.ctors); *(.ctor); LONG (0); - ___DTOR_LIST__ = .; __DTOR_LIST__ = . ; - LONG (-1); *(.dtors); *(.dtor); LONG (0); - *(.fini) - etext = .; - _etext = .; - } - .data 0x40000 + (. & 0xfffc0fff) : { - __data_start__ = . ; - *(.data*) - *(.gcc_exc*) - ___EH_FRAME_BEGIN__ = . ; - *(.eh_fram*) - ___EH_FRAME_END__ = . ; - LONG(0); - __data_end__ = . ; - edata = .; - _edata = .; - } - .bss SIZEOF(.data) + ADDR(.data) : - { - __bss_start__ = . ; - *(.bss) - *(COMMON) - __bss_end__ = . ; - } - end = .; - _end = .; - __end__ = .; - .stab 0 (NOLOAD) : - { - [ .stab ] - } - .stabstr 0 (NOLOAD) : - { - [ .stabstr ] - } -} diff --git a/libgloss/arm/coff-redboot.specs b/libgloss/arm/coff-redboot.specs deleted file mode 100644 index 2197761..0000000 --- a/libgloss/arm/coff-redboot.specs +++ /dev/null @@ -1,8 +0,0 @@ -%rename link old_link - -*link: --T redboot.ld%s -Ttext 0x20000 %(old_link) - -*startfile: -redboot-crt0%O%s redboot-syscalls%O%s - diff --git a/libgloss/arm/configure b/libgloss/arm/configure deleted file mode 100644 index 4c316a1..0000000 --- a/libgloss/arm/configure +++ /dev/null @@ -1,3770 +0,0 @@ -#! /bin/sh -# Guess values for system-dependent variables and create Makefiles. -# Generated by GNU Autoconf 2.61. -# -# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, -# 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. -# This configure script is free software; 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otherwise the assembler will get - confused and mark the object as being v6T2. */ -#if defined(__ARM_ARCH_4T__) - .arch armv4t -#elif defined(__ARM_ARCH_5T__) || defined(__ARM_ARCH_5TE__) - /* Nothing in this object requires higher than v5. */ - .arch armv5t -#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \ - || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \ - || defined(__ARM_ARCH_6ZK__) - /* Nothing in this object requires higher than v6. */ - .arch armv6 -#elif defined(__ARM_ARCH_6M__) -#ifdef ARM_RDP_MONITOR - /* Object file uses SVC, so mark as v6s-m. */ - .arch armv6s-m -#else - .arch armv6-m -#endif -#endif -#endif - -/* .text is used instead of .section .text so it works with arm-aout too. */ - .text - .syntax unified -#ifdef THUMB_V7_V6M - .thumb -.macro FUNC_START name - .global \name - .thumb_func -\name: -.endm -#else - .code 32 -.macro FUNC_START name - .global \name -\name: -.endm -#endif - -.macro indirect_call reg -#ifdef HAVE_CALL_INDIRECT - blx \reg -#else - mov lr, pc - mov pc, \reg -#endif -.endm - - .align 0 - - FUNC_START _mainCRTStartup - FUNC_START _start - FUNC_START start -#if defined(__ELF__) && !defined(__USING_SJLJ_EXCEPTIONS__) - /* Annotation for EABI unwinding tables. */ - .fnstart -#endif - -/* Start by setting up a stack */ -#ifdef ARM_RDP_MONITOR - /* Issue Demon SWI to read stack info */ - swi SWI_GetEnv /* Returns command line in r0 */ - mov sp,r1 /* and the highest memory address in r1 */ - - /* stack limit is at end of data */ - /* allow slop for stack overflow handling and small frames */ -#ifdef __ARM_ARCH_6M__ - ldr r0, .LC2 - adds r0, #128 - adds r0, #128 - mov sl, r0 -#else - ldr sl, .LC2 - add sl, sl, #256 -#endif -#else -#ifdef ARM_RDI_MONITOR - /* Issue Angel SWI to read stack info */ - movs r0, #AngelSWI_Reason_HeapInfo - adr r1, .LC0 /* point at ptr to 4 words to receive data */ -#ifdef THUMB_V7M_V6M - bkpt AngelSWI -#elif defined(__thumb2__) - /* We are in thumb mode for startup on armv7 architectures. */ - AngelSWIAsm AngelSWI -#else - /* We are always in ARM mode for startup on pre armv7 archs. */ - AngelSWIAsm AngelSWI_ARM -#endif - ldr r0, .LC0 /* point at values read */ - - ldr r1, [r0, #0] - cmp r1, #0 - bne .LC32 - /* If the heap base value [r0, #0] is 0 then the heap base is actually - at the end of program data (i.e. __end__). See: - http://infocenter.arm.com/help/topic/com.arm.doc.dui0471-/Bacbefaa.html - for more information. */ - ldr r1, .LC31 - str r1, [r0, #0] -.LC32: - ldr r1, [r0, #8] - ldr r2, [r0, #12] - /* We skip setting sp/sl if 0 returned from semihosting. - - According to semihosting docs, if 0 returned from semihosting, - the system was unable to calculate the real value, so it's ok - to skip setting sp/sl to 0 here. - - Considering M-profile processors, We might want to initialize - sp by the first entry of vector table and return 0 to SYS_HEAPINFO - semihosting call, which will be skipped here. */ - cmp r1, #0 - beq .LC26 - mov sp, r1 -.LC26: - cmp r2, #0 - beq .LC27 - /* allow slop for stack overflow handling and small frames */ -#ifdef __ARM_ARCH_6M__ - adds r2, #128 - adds r2, #128 - mov sl, r2 -#else - add sl, r2, #256 -#endif -.LC27: -#else - /* Set up the stack pointer to a fixed value */ - /* Changes by toralf: - - Allow linker script to provide stack via __stack symbol - see - defintion of .Lstack - - Provide "hooks" that may be used by the application to add - custom init code - see .Lhwinit and .Lswinit - - Go through all execution modes and set up stack for each of them. - Loosely based on init.s from ARM/Motorola example code. - Note: Mode switch via CPSR is not allowed once in non-privileged - mode, so we take care not to enter "User" to set up its sp, - and also skip most operations if already in that mode. */ - - ldr r3, .Lstack - cmp r3, #0 -#ifdef __thumb2__ - it eq -#endif -#ifdef __ARM_ARCH_6M__ - bne .LC28 - ldr r3, .LC0 -.LC28: -#else - ldreq r3, .LC0 -#endif - /* Note: This 'mov' is essential when starting in User, and ensures we - always get *some* sp value for the initial mode, even if we - have somehow missed it below (in which case it gets the same - value as FIQ - not ideal, but better than nothing.) */ - mov sp, r3 -#ifdef THUMB_V7_V6M - /* XXX Fill in stack assignments for interrupt modes. */ -#else - mrs r2, CPSR - tst r2, #0x0F /* Test mode bits - in User of all are 0 */ - beq .LC23 /* "eq" means r2 AND #0x0F is 0 */ - msr CPSR_c, #0xD1 /* FIRQ mode, interrupts disabled */ - mov sp, r3 - sub sl, sp, #0x1000 /* This mode also has its own sl (see below) */ - - mov r3, sl - msr CPSR_c, #0xD7 /* Abort mode, interrupts disabled */ - mov sp, r3 - sub r3, r3, #0x1000 - - msr CPSR_c, #0xDB /* Undefined mode, interrupts disabled */ - mov sp, r3 - sub r3, r3, #0x1000 - - msr CPSR_c, #0xD2 /* IRQ mode, interrupts disabled */ - mov sp, r3 - sub r3, r3, #0x2000 - - msr CPSR_c, #0xD3 /* Supervisory mode, interrupts disabled */ - - mov sp, r3 - sub r3, r3, #0x8000 /* Min size 32k */ - bic r3, r3, #0x00FF /* Align with current 64k block */ - bic r3, r3, #0xFF00 - - str r3, [r3, #-4] /* Move value into user mode sp without */ - ldmdb r3, {sp}^ /* changing modes, via '^' form of ldm */ - orr r2, r2, #0xC0 /* Back to original mode, presumably SVC, */ - msr CPSR_c, r2 /* with FIQ/IRQ disable bits forced to 1 */ -#endif -.LC23: - /* Setup a default stack-limit in-case the code has been - compiled with "-mapcs-stack-check". Hard-wiring this value - is not ideal, since there is currently no support for - checking that the heap and stack have not collided, or that - this default 64k is enough for the program being executed. - However, it ensures that this simple crt0 world will not - immediately cause an overflow event: */ -#ifdef __ARM_ARCH_6M__ - movs r2, #64 - lsls r2, r2, #10 - subs r2, r3, r2 - mov sl, r2 -#else - sub sl, r3, #64 << 10 /* Still assumes 256bytes below sl */ -#endif -#endif -#endif - /* Zero the memory in the .bss section. */ - movs a2, #0 /* Second arg: fill value */ - mov fp, a2 /* Null frame pointer */ - mov r7, a2 /* Null frame pointer for Thumb */ - - ldr a1, .LC1 /* First arg: start of memory block */ - ldr a3, .LC2 - subs a3, a3, a1 /* Third arg: length of block */ - - -#if defined(__thumb__) && !defined(THUMB_V7_V6M) - /* Enter Thumb mode.... */ - add a4, pc, #1 /* Get the address of the Thumb block */ - bx a4 /* Go there and start Thumb decoding */ - - .code 16 - .global __change_mode - .thumb_func -__change_mode: -#endif - - bl FUNCTION (memset) -#if !defined (ARM_RDP_MONITOR) && !defined (ARM_RDI_MONITOR) -/* Changes by toralf: Taken from libgloss/m68k/crt0.S - * initialize target specific stuff. Only execute these - * functions it they exist. - */ - ldr r3, .Lhwinit - cmp r3, #0 - beq .LC24 - indirect_call r3 -.LC24: - ldr r3, .Lswinit - cmp r3, #0 - beq .LC25 - indirect_call r3 - -.LC25: - movs r0, #0 /* no arguments */ - movs r1, #0 /* no argv either */ -#else - /* Need to set up standard file handles */ - bl FUNCTION (initialise_monitor_handles) - -#ifdef ARM_RDP_MONITOR - swi SWI_GetEnv /* sets r0 to point to the command line */ - movs r1, r0 -#else - movs r0, #AngelSWI_Reason_GetCmdLine - adr r1, .LC30 /* Space for command line */ - AngelSWIAsm AngelSWI - ldr r1, .LC30 -#endif - /* Parse string at r1 */ - movs r0, #0 /* count of arguments so far */ - /* Push a NULL argument onto the end of the list. */ -#ifdef __thumb__ - push {r0} -#else - stmfd sp!, {r0} -#endif -.LC10: -/* Skip leading blanks */ -#ifdef __thumb__ - ldrb r3, [r1] - adds r1, #1 -#else - ldrb r3, [r1], #1 -#endif - cmp r3, #0 - beq .LC12 - cmp r3, #' ' - beq .LC10 - -/* See whether we are scanning a string */ - cmp r3, #'"' -#ifdef __thumb__ - beq .LC20 - cmp r3, #'\'' - bne .LC21 -.LC20: - movs r2, r3 - b .LC22 - -.LC21: - movs r2, #' ' /* terminator type */ - subs r1, r1, #1 /* adjust back to point at start char */ -.LC22: -#else - cmpne r3, #'\'' - moveq r2, r3 - movne r2, #' ' /* terminator type */ - subne r1, r1, #1 /* adjust back to point at start char */ -#endif - -/* Stack a pointer to the current argument */ -#ifdef __thumb__ - push {r1} -#else - stmfd sp!, {r1} -#endif - adds r0, r0, #1 -.LC11: -#ifdef __thumb__ - ldrb r3, [r1] - adds r1, #1 -#else - ldrb r3, [r1], #1 -#endif - cmp r3, #0 - beq .LC12 - cmp r2, r3 /* reached terminator? */ - bne .LC11 - movs r2, #0 - subs r3, r1, #1 - strb r2, [r3] /* terminate the arg string */ - b .LC10 - -.LC12: - mov r1, sp /* point at stacked arg pointers */ - /* We've now got the stacked args in order reverse the */ -#ifdef __thumb__ - movs r2, r0 - lsls r2, #2 - add r2, sp - mov r3, sp -.LC15: cmp r2, r3 - bls .LC14 - subs r2, #4 - ldr r4, [r2] - ldr r5, [r3] - str r5, [r2] - str r4, [r3] - adds r3, #4 - b .LC15 -.LC14: - /* Ensure doubleword stack alignment. */ - mov r4, sp - movs r5, #7 - bics r4, r5 - mov sp, r4 -#else - add r2, sp, r0, LSL #2 /* End of args */ - mov r3, sp /* Start of args */ -.LC13: cmp r2, r3 - ldrhi r4,[r2, #-4] /* Reverse ends of list */ - ldrhi r5, [r3] - strhi r5, [r2, #-4]! - strhi r4, [r3], #4 - bhi .LC13 - /* Ensure doubleword stack alignment. */ - bic sp, sp, #7 -#endif -#endif - -#ifdef __USES_INITFINI__ - /* Some arm/elf targets use the .init and .fini sections - to create constructors and destructors, and for these - targets we need to call the _init function and arrange - for _fini to be called at program exit. */ - movs r4, r0 - movs r5, r1 - ldr r0, .Lfini - bl FUNCTION (atexit) - bl FUNCTION (_init) - movs r0, r4 - movs r1, r5 -#endif - bl FUNCTION (main) - - bl FUNCTION (exit) /* Should not return. */ - -#if defined(__thumb__) && !defined(THUMB_V7_V6M) - /* Come out of Thumb mode. This code should be redundant. */ - - mov a4, pc - bx a4 - - .code 32 - .global change_back -change_back: - /* Halt the execution. This code should never be executed. */ - /* With no debug monitor, this probably aborts (eventually). - With a Demon debug monitor, this halts cleanly. - With an Angel debug monitor, this will report 'Unknown SWI'. */ - swi SWI_Exit -#endif - - /* For Thumb, constants must be after the code since only - positive offsets are supported for PC relative addresses. */ - - .align 0 -.LC0: -#ifdef ARM_RDI_MONITOR - .word HeapBase -#else -#ifndef ARM_RDP_MONITOR - /* Changes by toralf: Provide alternative "stack" variable whose value - may be defined externally; .Lstack will be used instead of .LC0 if - it points to a non-0 value. Also set up references to "hooks" that - may be used by the application to provide additional init code. */ - -#ifdef __pe__ - .word 0x800000 -#else - .word 0x80000 /* Top of RAM on the PIE board. */ -#endif -.Lstack: - .word __stack -.Lhwinit: - .word FUNCTION (hardware_init_hook) -.Lswinit: - .word FUNCTION (software_init_hook) - - /* Set up defaults for the above variables in the form of weak symbols - - so that application will link correctly, and get value 0 in - runtime (meaning "ignore setting") for the variables, when the user - does not provide the symbols. (The linker uses a weak symbol if, - and only if, a normal version of the same symbol isn't provided - e.g. by a linker script or another object file.) */ - - .weak __stack - .weak FUNCTION (hardware_init_hook) - .weak FUNCTION (software_init_hook) -#endif - -#endif -#if defined(__ELF__) && !defined(__USING_SJLJ_EXCEPTIONS__) - /* Protect against unhandled exceptions. */ - .cantunwind - .fnend -#endif -.LC1: - .word __bss_start__ -.LC2: - .word __bss_end__ -#ifdef __USES_INITFINI__ -.Lfini: - .word FUNCTION(_fini) -#endif -#ifdef ARM_RDI_MONITOR -.LC30: - .word CommandLine - .word 255 -.LC31: - .word __end__ - -/* Workspace for Angel calls. */ - .data -/* Data returned by monitor SWI. */ -.global __stack_base__ -HeapBase: .word 0 -HeapLimit: .word 0 -__stack_base__: .word 0 -StackLimit: .word 0 -CommandLine: .space 256,0 /* Maximum length of 255 chars handled. */ -#endif - -#ifdef __pe__ - .section .idata$3 - .long 0,0,0,0,0,0,0,0 -#endif diff --git a/libgloss/arm/elf-iq80310.specs b/libgloss/arm/elf-iq80310.specs deleted file mode 100644 index a016e88..0000000 --- a/libgloss/arm/elf-iq80310.specs +++ /dev/null @@ -1,8 +0,0 @@ -%rename link old_link - -*link: --T redboot.ld%s -Ttext 0xA0020000 %(old_link) - -*startfile: -crti%O%s crtbegin%O%s %{!pg:redboot-crt0%O%s} %{pg:redboot-crt0%O%s} redboot-syscalls%O%s - diff --git a/libgloss/arm/elf-linux.specs b/libgloss/arm/elf-linux.specs deleted file mode 100644 index 3e8b686..0000000 --- a/libgloss/arm/elf-linux.specs +++ /dev/null @@ -1,11 +0,0 @@ -%rename lib libc - -*libgloss: --lgloss-linux - -*lib: -%(libc) %(libgloss) - -*startfile: -linux-crt0%O%s crti%O%s crtbegin%O%s - diff --git a/libgloss/arm/elf-pid.specs b/libgloss/arm/elf-pid.specs deleted file mode 100644 index c8a9f14..0000000 --- a/libgloss/arm/elf-pid.specs +++ /dev/null @@ -1,8 +0,0 @@ -%rename link old_link - -*link: --T redboot.ld%s -Ttext 0x10000 %(old_link) - -*startfile: -crti%O%s crtbegin%O%s %{!pg:redboot-crt0%O%s} %{pg:redboot-crt0%O%s} redboot-syscalls%O%s - diff --git a/libgloss/arm/elf-rdimon.specs b/libgloss/arm/elf-rdimon.specs deleted file mode 100644 index 2f0692c..0000000 --- a/libgloss/arm/elf-rdimon.specs +++ /dev/null @@ -1,11 +0,0 @@ -%rename lib libc - -*libgloss: --lrdimon - -*lib: ---start-group %(libc) %(libgloss) --end-group - -*startfile: -crti%O%s crtbegin%O%s %{!pg:rdimon-crt0%O%s} %{pg:rdimon-crt0%O%s} - diff --git a/libgloss/arm/elf-rdpmon.specs b/libgloss/arm/elf-rdpmon.specs deleted file mode 100644 index 903db1f..0000000 --- a/libgloss/arm/elf-rdpmon.specs +++ /dev/null @@ -1,8 +0,0 @@ -%rename link old_link - -*link: -%(old_link) -lrdpmon - -*startfile: -crti%O%s crtbegin%O%s %{!pg:rdpmon-crt0%O%s} %{pg:rdpmon-crt0%O%s} - diff --git a/libgloss/arm/elf-redboot.ld b/libgloss/arm/elf-redboot.ld deleted file mode 100644 index 3d1f8d8..0000000 --- a/libgloss/arm/elf-redboot.ld +++ /dev/null @@ -1,220 +0,0 @@ -OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", - "elf32-littlearm") -OUTPUT_ARCH(arm) -ENTRY(_start) -/* Do we need any of these for elf? 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Files in the C namespace go here. - Files in the system namespace (ie those that start with an underscore) - go in syscalls.c. - - Note: These functions are in a seperate file so that OS providers can - overrride the system call stubs (defined in syscalls.c) without having - to provide libc funcitons as well. */ - -#include "swi.h" -#include <errno.h> -#include <unistd.h> - -unsigned __attribute__((weak)) -alarm (unsigned seconds) -{ - (void)seconds; - return 0; -} - -clock_t _clock(void); -clock_t __attribute__((weak)) -clock(void) -{ - return _clock(); -} - -int _isatty(int fildes); -int __attribute__((weak)) -isatty(int fildes) -{ - return _isatty(fildes); -} - -int __attribute__((weak)) -pause(void) -{ - errno = ENOSYS; - return -1; -} - -#include <sys/types.h> -#include <time.h> - -unsigned __attribute__((weak)) -sleep(unsigned seconds) -{ - clock_t t0 = _clock(); - clock_t dt = seconds * CLOCKS_PER_SEC; - - while (_clock() - t0 < dt); - return 0; -} - -int __attribute__((weak)) -usleep(useconds_t useconds) -{ - clock_t t0 = _clock(); - clock_t dt = useconds / (1000000/CLOCKS_PER_SEC); - - while (_clock() - t0 < dt); - return 0; -} diff --git a/libgloss/arm/linux-crt0.c b/libgloss/arm/linux-crt0.c deleted file mode 100644 index c313d26..0000000 --- a/libgloss/arm/linux-crt0.c +++ /dev/null @@ -1,42 +0,0 @@ -/** Linux startup code for the ARM processor. - * Written by Shaun Jackman <sjackman@gmail.com>. - * Copyright 2006 Pathway Connectivity - * - * Permission to use, copy, modify, and distribute this software - * is freely granted, provided that this notice is preserved. - */ - -#include <stdlib.h> -#include <unistd.h> -#include "arm.h" - -static int _main(int argc, char *argv[]) __attribute__((noreturn)); - -#if defined(__thumb__) && !defined(THUMB_V7_V6M) -asm("\n" - ".code 32\n" - ".global _start\n" - ".type _start, %function\n" - "_start:\n" - "\tldr r0, .LC0\n" - "\tbx r0\n" - ".LC0:\n" - "\t.word _start_thumb\n" - ".size _start, .-_start\n"); - -__attribute__((naked, used)) -static void _start_thumb(void) -#else -__attribute__((naked)) -void _start(void) -#endif -{ - register int *sp asm("sp"); - _main(*sp, (char **)(sp + 1)); -} - -static int _main(int argc, char *argv[]) -{ - environ = argv + argc + 1; - exit(main(argc, argv, environ)); -} diff --git a/libgloss/arm/linux-syscall.h b/libgloss/arm/linux-syscall.h deleted file mode 100644 index 904d54d..0000000 --- a/libgloss/arm/linux-syscall.h +++ /dev/null @@ -1,318 +0,0 @@ -/** Linux system call numbers for the ARM processor. - * Written by Shaun Jackman <sjackman@gmail.com> - * Copyright 2006 Pathway Connectivity - * - * Permission to use, copy, modify, and distribute this software - * is freely granted, provided that this notice is preserved. - */ - -#ifndef _LIBGLOSS_ARM_LINUX_UNISTD_H -#define _LIBGLOSS_ARM_LINUX_UNISTD_H - -#if __thumb__ -# define SYS_BASE 0 -#else -# define SYS_BASE 0x900000 -#endif - -#define SYS_restart_syscall (SYS_BASE+ 0) -#define SYS_exit (SYS_BASE+ 1) -#define SYS_fork (SYS_BASE+ 2) -#define SYS_read (SYS_BASE+ 3) -#define SYS_write (SYS_BASE+ 4) -#define SYS_open (SYS_BASE+ 5) -#define SYS_close (SYS_BASE+ 6) -/* SYS_waitpid was 7 */ -#define SYS_creat (SYS_BASE+ 8) -#define SYS_link (SYS_BASE+ 9) -#define SYS_unlink (SYS_BASE+ 10) -#define SYS_execve (SYS_BASE+ 11) -#define SYS_chdir (SYS_BASE+ 12) -#define SYS_time (SYS_BASE+ 13) -#define SYS_mknod (SYS_BASE+ 14) -#define SYS_chmod (SYS_BASE+ 15) -#define SYS_lchown (SYS_BASE+ 16) -/* SYS_break was 17 */ -/* SYS_stat was 18 */ -#define SYS_lseek (SYS_BASE+ 19) -#define SYS_getpid (SYS_BASE+ 20) -#define SYS_mount (SYS_BASE+ 21) -#define SYS_umount (SYS_BASE+ 22) -#define SYS_setuid (SYS_BASE+ 23) -#define SYS_getuid (SYS_BASE+ 24) -#define SYS_stime (SYS_BASE+ 25) -#define SYS_ptrace (SYS_BASE+ 26) -#define SYS_alarm (SYS_BASE+ 27) -/* SYS_fstat was 28 */ -#define SYS_pause (SYS_BASE+ 29) -#define SYS_utime (SYS_BASE+ 30) -/* SYS_stty was 31 */ -/* SYS_gtty was 32 */ -#define SYS_access (SYS_BASE+ 33) -#define SYS_nice (SYS_BASE+ 34) -/* SYS_ftime was 35 */ -#define SYS_sync (SYS_BASE+ 36) -#define SYS_kill (SYS_BASE+ 37) -#define SYS_rename (SYS_BASE+ 38) -#define SYS_mkdir (SYS_BASE+ 39) -#define SYS_rmdir (SYS_BASE+ 40) -#define SYS_dup (SYS_BASE+ 41) -#define SYS_pipe (SYS_BASE+ 42) -#define SYS_times (SYS_BASE+ 43) -/* SYS_prof was 44 */ -#define SYS_brk (SYS_BASE+ 45) -#define SYS_setgid (SYS_BASE+ 46) -#define SYS_getgid (SYS_BASE+ 47) -/* SYS_signal was 48 */ -#define SYS_geteuid (SYS_BASE+ 49) -#define SYS_getegid (SYS_BASE+ 50) -#define SYS_acct (SYS_BASE+ 51) -#define SYS_umount2 (SYS_BASE+ 52) -/* SYS_lock was 53 */ -#define SYS_ioctl (SYS_BASE+ 54) -#define SYS_fcntl (SYS_BASE+ 55) -/* SYS_mpx was 56 */ -#define SYS_setpgid (SYS_BASE+ 57) -/* SYS_ulimit was 58 */ -/* SYS_olduname was 59 */ -#define SYS_umask (SYS_BASE+ 60) -#define SYS_chroot (SYS_BASE+ 61) -#define SYS_ustat (SYS_BASE+ 62) -#define SYS_dup2 (SYS_BASE+ 63) -#define SYS_getppid (SYS_BASE+ 64) -#define SYS_getpgrp (SYS_BASE+ 65) -#define SYS_setsid (SYS_BASE+ 66) -#define SYS_sigaction (SYS_BASE+ 67) -/* SYS_sgetmask was 68 */ -/* SYS_ssetmask was 69 */ -#define SYS_setreuid (SYS_BASE+ 70) -#define SYS_setregid (SYS_BASE+ 71) -#define SYS_sigsuspend (SYS_BASE+ 72) -#define SYS_sigpending (SYS_BASE+ 73) -#define SYS_sethostname (SYS_BASE+ 74) -#define SYS_setrlimit (SYS_BASE+ 75) -#define SYS_getrlimit (SYS_BASE+ 76) -#define SYS_getrusage (SYS_BASE+ 77) -#define SYS_gettimeofday (SYS_BASE+ 78) -#define SYS_settimeofday (SYS_BASE+ 79) -#define SYS_getgroups (SYS_BASE+ 80) -#define SYS_setgroups (SYS_BASE+ 81) -#define SYS_select (SYS_BASE+ 82) -#define SYS_symlink (SYS_BASE+ 83) -/* SYS_lstat was 84 */ -#define SYS_readlink (SYS_BASE+ 85) -#define SYS_uselib (SYS_BASE+ 86) -#define SYS_swapon (SYS_BASE+ 87) -#define SYS_reboot (SYS_BASE+ 88) -#define SYS_readdir (SYS_BASE+ 89) -#define SYS_mmap (SYS_BASE+ 90) -#define SYS_munmap (SYS_BASE+ 91) -#define SYS_truncate (SYS_BASE+ 92) -#define SYS_ftruncate (SYS_BASE+ 93) -#define SYS_fchmod (SYS_BASE+ 94) -#define SYS_fchown (SYS_BASE+ 95) -#define SYS_getpriority (SYS_BASE+ 96) -#define SYS_setpriority (SYS_BASE+ 97) -/* SYS_profil was 98 */ -#define SYS_statfs (SYS_BASE+ 99) -#define SYS_fstatfs (SYS_BASE+100) -/* SYS_ioperm was 101 */ -#define SYS_socketcall (SYS_BASE+102) -#define SYS_syslog (SYS_BASE+103) -#define SYS_setitimer (SYS_BASE+104) -#define SYS_getitimer (SYS_BASE+105) -#define SYS_stat (SYS_BASE+106) -#define SYS_lstat (SYS_BASE+107) -#define SYS_fstat (SYS_BASE+108) -/* SYS_uname was 109 */ -/* SYS_iopl was 110 */ -#define SYS_vhangup (SYS_BASE+111) -/* SYS_idle was 112 */ -#define SYS_syscall (SYS_BASE+113) -#define SYS_wait4 (SYS_BASE+114) -#define SYS_swapoff (SYS_BASE+115) -#define SYS_sysinfo (SYS_BASE+116) -#define SYS_ipc (SYS_BASE+117) -#define SYS_fsync (SYS_BASE+118) -#define SYS_sigreturn (SYS_BASE+119) -#define SYS_clone (SYS_BASE+120) -#define SYS_setdomainname (SYS_BASE+121) -#define SYS_uname (SYS_BASE+122) -/* SYS_modify_ldt was 123 */ -#define SYS_adjtimex (SYS_BASE+124) -#define SYS_mprotect (SYS_BASE+125) -#define SYS_sigprocmask (SYS_BASE+126) -/* SYS_create_module was 127 */ -#define SYS_init_module (SYS_BASE+128) -#define SYS_delete_module (SYS_BASE+129) -/* SYS_get_kernel_syms was 130 */ -#define SYS_quotactl (SYS_BASE+131) -#define SYS_getpgid (SYS_BASE+132) -#define SYS_fchdir (SYS_BASE+133) -#define SYS_bdflush (SYS_BASE+134) -#define SYS_sysfs (SYS_BASE+135) -#define SYS_personality (SYS_BASE+136) -/* SYS_afs_syscall was 137 */ -#define SYS_setfsuid (SYS_BASE+138) -#define SYS_setfsgid (SYS_BASE+139) -#define SYS__llseek (SYS_BASE+140) -#define SYS_getdents (SYS_BASE+141) -#define SYS__newselect (SYS_BASE+142) -#define SYS_flock (SYS_BASE+143) -#define SYS_msync (SYS_BASE+144) -#define SYS_readv (SYS_BASE+145) -#define SYS_writev (SYS_BASE+146) -#define SYS_getsid (SYS_BASE+147) -#define SYS_fdatasync (SYS_BASE+148) -#define SYS__sysctl (SYS_BASE+149) -#define SYS_mlock (SYS_BASE+150) -#define SYS_munlock (SYS_BASE+151) -#define SYS_mlockall (SYS_BASE+152) -#define SYS_munlockall (SYS_BASE+153) -#define SYS_sched_setparam (SYS_BASE+154) -#define SYS_sched_getparam (SYS_BASE+155) -#define SYS_sched_setscheduler (SYS_BASE+156) -#define SYS_sched_getscheduler (SYS_BASE+157) -#define SYS_sched_yield (SYS_BASE+158) -#define SYS_sched_get_priority_max (SYS_BASE+159) -#define SYS_sched_get_priority_min (SYS_BASE+160) -#define SYS_sched_rr_get_interval (SYS_BASE+161) -#define SYS_nanosleep (SYS_BASE+162) -#define SYS_mremap (SYS_BASE+163) -#define SYS_setresuid (SYS_BASE+164) -#define SYS_getresuid (SYS_BASE+165) -/* SYS_vm86 was 166 */ -/* SYS_query_module was 167 */ -#define SYS_poll (SYS_BASE+168) -#define SYS_nfsservctl (SYS_BASE+169) -#define SYS_setresgid (SYS_BASE+170) -#define SYS_getresgid (SYS_BASE+171) -#define SYS_prctl (SYS_BASE+172) -#define SYS_rt_sigreturn (SYS_BASE+173) -#define SYS_rt_sigaction (SYS_BASE+174) -#define SYS_rt_sigprocmask (SYS_BASE+175) -#define SYS_rt_sigpending (SYS_BASE+176) -#define SYS_rt_sigtimedwait (SYS_BASE+177) -#define SYS_rt_sigqueueinfo (SYS_BASE+178) -#define SYS_rt_sigsuspend (SYS_BASE+179) -#define SYS_pread64 (SYS_BASE+180) -#define SYS_pwrite64 (SYS_BASE+181) -#define SYS_chown (SYS_BASE+182) -#define SYS_getcwd (SYS_BASE+183) -#define SYS_capget (SYS_BASE+184) -#define SYS_capset (SYS_BASE+185) -#define SYS_sigaltstack (SYS_BASE+186) -#define SYS_sendfile (SYS_BASE+187) -/* reserved 188 */ -/* reserved 189 */ -#define SYS_vfork (SYS_BASE+190) -#define SYS_ugetrlimit (SYS_BASE+191) -#define SYS_mmap2 (SYS_BASE+192) -#define SYS_truncate64 (SYS_BASE+193) -#define SYS_ftruncate64 (SYS_BASE+194) -#define SYS_stat64 (SYS_BASE+195) -#define SYS_lstat64 (SYS_BASE+196) -#define SYS_fstat64 (SYS_BASE+197) -#define SYS_lchown32 (SYS_BASE+198) -#define SYS_getuid32 (SYS_BASE+199) -#define SYS_getgid32 (SYS_BASE+200) -#define SYS_geteuid32 (SYS_BASE+201) -#define SYS_getegid32 (SYS_BASE+202) -#define SYS_setreuid32 (SYS_BASE+203) -#define SYS_setregid32 (SYS_BASE+204) -#define SYS_getgroups32 (SYS_BASE+205) -#define SYS_setgroups32 (SYS_BASE+206) -#define SYS_fchown32 (SYS_BASE+207) -#define SYS_setresuid32 (SYS_BASE+208) -#define SYS_getresuid32 (SYS_BASE+209) -#define SYS_setresgid32 (SYS_BASE+210) -#define SYS_getresgid32 (SYS_BASE+211) -#define SYS_chown32 (SYS_BASE+212) -#define SYS_setuid32 (SYS_BASE+213) -#define SYS_setgid32 (SYS_BASE+214) -#define SYS_setfsuid32 (SYS_BASE+215) -#define SYS_setfsgid32 (SYS_BASE+216) -#define SYS_getdents64 (SYS_BASE+217) -#define SYS_pivot_root (SYS_BASE+218) -#define SYS_mincore (SYS_BASE+219) -#define SYS_madvise (SYS_BASE+220) -#define SYS_fcntl64 (SYS_BASE+221) -/* SYS_tux reserved 222 */ -/* unused 223 */ -#define SYS_gettid (SYS_BASE+224) -#define SYS_readahead (SYS_BASE+225) -#define SYS_setxattr (SYS_BASE+226) -#define SYS_lsetxattr (SYS_BASE+227) -#define SYS_fsetxattr (SYS_BASE+228) -#define SYS_getxattr (SYS_BASE+229) -#define SYS_lgetxattr (SYS_BASE+230) -#define SYS_fgetxattr (SYS_BASE+231) -#define SYS_listxattr (SYS_BASE+232) -#define SYS_llistxattr (SYS_BASE+233) -#define SYS_flistxattr (SYS_BASE+234) -#define SYS_removexattr (SYS_BASE+235) -#define SYS_lremovexattr (SYS_BASE+236) -#define SYS_fremovexattr (SYS_BASE+237) -#define SYS_tkill (SYS_BASE+238) -#define SYS_sendfile64 (SYS_BASE+239) -#define SYS_futex (SYS_BASE+240) -#define SYS_sched_setaffinity (SYS_BASE+241) -#define SYS_sched_getaffinity (SYS_BASE+242) -#define SYS_io_setup (SYS_BASE+243) -#define SYS_io_destroy (SYS_BASE+244) -#define SYS_io_getevents (SYS_BASE+245) -#define SYS_io_submit (SYS_BASE+246) -#define SYS_io_cancel (SYS_BASE+247) -#define SYS_exit_group (SYS_BASE+248) -#define SYS_lookup_dcookie (SYS_BASE+249) -#define SYS_epoll_create (SYS_BASE+250) -#define SYS_epoll_ctl (SYS_BASE+251) -#define SYS_epoll_wait (SYS_BASE+252) -#define SYS_remap_file_pages (SYS_BASE+253) -/* SYS_set_thread_area reserved 254 */ -/* SYS_get_thread_area reserved 255 */ -#define SYS_set_tid_address (SYS_BASE+256) -#define SYS_timer_create (SYS_BASE+257) -#define SYS_timer_settime (SYS_BASE+258) -#define SYS_timer_gettime (SYS_BASE+259) -#define SYS_timer_getoverrun (SYS_BASE+260) -#define SYS_timer_delete (SYS_BASE+261) -#define SYS_clock_settime (SYS_BASE+262) -#define SYS_clock_gettime (SYS_BASE+263) -#define SYS_clock_getres (SYS_BASE+264) -#define SYS_clock_nanosleep (SYS_BASE+265) -#define SYS_statfs64 (SYS_BASE+266) -#define SYS_fstatfs64 (SYS_BASE+267) -#define SYS_tgkill (SYS_BASE+268) -#define SYS_utimes (SYS_BASE+269) -#define SYS_arm_fadvise64_64 (SYS_BASE+270) -#define SYS_pciconfig_iobase (SYS_BASE+271) -#define SYS_pciconfig_read (SYS_BASE+272) -#define SYS_pciconfig_write (SYS_BASE+273) -#define SYS_mq_open (SYS_BASE+274) -#define SYS_mq_unlink (SYS_BASE+275) -#define SYS_mq_timedsend (SYS_BASE+276) -#define SYS_mq_timedreceive (SYS_BASE+277) -#define SYS_mq_notify (SYS_BASE+278) -#define SYS_mq_getsetattr (SYS_BASE+279) -#define SYS_waitid (SYS_BASE+280) - -#define SYS_SOCKET 1 -#define SYS_BIND 2 -#define SYS_CONNECT 3 -#define SYS_LISTEN 4 -#define SYS_ACCEPT 5 -#define SYS_GETSOCKNAME 6 -#define SYS_GETPEERNAME 7 -#define SYS_SOCKETPAIR 8 -#define SYS_SEND 9 -#define SYS_RECV 10 -#define SYS_SENDTO 11 -#define SYS_RECVFROM 12 -#define SYS_SHUTDOWN 13 -#define SYS_SETSOCKOPT 14 -#define SYS_GETSOCKOPT 15 -#define SYS_SENDMSG 16 -#define SYS_RECVMSG 17 - -#endif /* _LIBGLOSS_ARM_LINUX_UNISTD_H */ diff --git a/libgloss/arm/linux-syscalls0.S b/libgloss/arm/linux-syscalls0.S deleted file mode 100644 index b16648f..0000000 --- a/libgloss/arm/linux-syscalls0.S +++ /dev/null @@ -1,192 +0,0 @@ -/** Linux system call interface for the ARM processor. - * Written by Shaun Jackman <sjackman@gmail.com>. - * Copyright 2006 Pathway Connectivity - * - * Permission to use, copy, modify, and distribute this software - * is freely granted, provided that this notice is preserved. - */ - -#include "linux-syscall.h" - -#if __thumb__ -# define FUNC(name) .type name, %function; .thumb_func; name: -# define SET .thumb_set -#else -# define FUNC(name) .type name, %function; name: -# define SET .set -#endif - -#define GLOBAL(name) .global name; FUNC(name) -#define SIZE(name) .size name, .-name - -# define SYSCALL4(name) \ - GLOBAL(_ ## name); \ - swi #SYS_ ## name; \ - b _set_errno; \ - SIZE(_ ## name) - -# define SYSCALL6(name) \ - GLOBAL(_ ## name); \ - push { r4 - r5 }; \ - ldr r4, [sp, #8]; \ - ldr r5, [sp, #12]; \ - swi #SYS_ ## name; \ - pop { r4 - r5 }; \ - b _set_errno; \ - SIZE(_ ## name) - -#define SYSCALL0(name) SYSCALL3(name) -#define SYSCALL3(name) SYSCALL4(name) -#define SYSCALL1(name) SYSCALL3(name) -#define SYSCALL2(name) SYSCALL3(name) -#define SYSCALL5(name) SYSCALL6(name) - -SYSCALL1(alarm) -SYSCALL1(brk) -SYSCALL1(chdir) -SYSCALL2(chmod) -SYSCALL3(chown) -SYSCALL1(close) -SYSCALL1(dup) -SYSCALL2(dup2) -SYSCALL3(execve) -SYSCALL1(exit) -SYSCALL3(fcntl) -SYSCALL2(fstat) -SYSCALL2(ftruncate) -SYSCALL3(getdents) -SYSCALL0(getegid) -SYSCALL0(geteuid) -SYSCALL0(getgid) -SYSCALL2(getgroups) -SYSCALL1(getpgid) -SYSCALL0(getpgrp) -SYSCALL0(getpid) -SYSCALL0(getuid) -SYSCALL2(gettimeofday) -SYSCALL3(ioctl) -SYSCALL2(kill) -SYSCALL3(lchown) -SYSCALL2(link) -SYSCALL3(lseek) -SYSCALL2(lstat) -SYSCALL2(mkdir) -SYSCALL3(mknod) -SYSCALL2(nanosleep) -SYSCALL3(open) -SYSCALL0(pause) -SYSCALL1(pipe) -SYSCALL3(read) -SYSCALL3(readlink) -SYSCALL4(reboot) -SYSCALL1(rmdir) -SYSCALL5(select) -SYSCALL2(setpgid) -SYSCALL1(setgid) -SYSCALL0(setsid) -SYSCALL1(setuid) -SYSCALL3(sigprocmask) -SYSCALL2(socketcall) -SYSCALL2(stat) -SYSCALL1(stime) -SYSCALL2(symlink) -SYSCALL1(sync) -SYSCALL1(sysinfo) -SYSCALL1(times) -SYSCALL2(truncate) -SYSCALL1(umask) -SYSCALL1(uname) -SYSCALL1(unlink) -SYSCALL2(utime) -SYSCALL0(vfork) -SYSCALL4(wait4) -SYSCALL3(write) - -#define ALIAS(name) .GLOBAL name; SET name, _ ## name - -ALIAS(alarm) -ALIAS(chdir) -ALIAS(chmod) -ALIAS(chown) -ALIAS(dup) -ALIAS(dup2) -ALIAS(ftruncate) -ALIAS(getdents) -ALIAS(getegid) -ALIAS(geteuid) -ALIAS(getgid) -ALIAS(getgroups) -ALIAS(getpgid) -ALIAS(getpgrp) -ALIAS(getuid) -ALIAS(ioctl) -ALIAS(lchown) -ALIAS(lstat) -ALIAS(mkdir) -ALIAS(mknod) -ALIAS(nanosleep) -ALIAS(pause) -ALIAS(pipe) -ALIAS(readlink) -ALIAS(rmdir) -ALIAS(select) -ALIAS(setgid) -ALIAS(setpgid) -ALIAS(setsid) -ALIAS(setuid) -ALIAS(sigprocmask) -ALIAS(stime) -ALIAS(symlink) -ALIAS(sync) -ALIAS(sysinfo) -ALIAS(truncate) -ALIAS(umask) -ALIAS(uname) -ALIAS(utime) -ALIAS(vfork) -ALIAS(wait4) - -# define SOCKETCALL(name, NAME) \ - GLOBAL(name); \ - push { r0 - r3 }; \ - mov r0, #SYS_ ## NAME; \ - b _socketcall_tail; \ - SIZE(name) - -FUNC(_socketcall_tail) - mov r1, sp - push { lr } - bl _socketcall - pop { r3 } - add sp, #16 -#if defined(__ARM_ARCH_2__) || defined(__ARM_ARCH_3__) \ - || defined(__ARM_ARCH_3M__) || defined(__ARM_ARCH_4__) - mov pc, r3 -#else - bx r3 -#endif - SIZE(_socketcall_tail) - -#define SOCKETCALL2(name, NAME) SOCKETCALL(name, NAME) -#define SOCKETCALL3(name, NAME) SOCKETCALL(name, NAME) -#define SOCKETCALL4(name, NAME) SOCKETCALL(name, NAME) -#define SOCKETCALL5(name, NAME) SOCKETCALL(name, NAME) -#define SOCKETCALL6(name, NAME) SOCKETCALL(name, NAME) - -SOCKETCALL3(accept, ACCEPT) -SOCKETCALL3(bind, BIND) -SOCKETCALL3(connect, CONNECT) -SOCKETCALL3(getpeername, GETPEERNAME) -SOCKETCALL3(getsockname, GETSOCKNAME) -SOCKETCALL5(getsockopt, GETSOCKOPT) -SOCKETCALL2(listen, LISTEN) -SOCKETCALL4(recv, RECV) -SOCKETCALL6(recvfrom, RECVFROM) -SOCKETCALL3(recvmsg, RECVMSG) -SOCKETCALL4(send, SEND) -SOCKETCALL3(sendmsg, SENDMSG) -SOCKETCALL6(sendto, SENDTO) -SOCKETCALL5(setsockopt, SETSOCKOPT) -SOCKETCALL2(shutdown, SHUTDOWN) -SOCKETCALL3(socket, SOCKET) -SOCKETCALL4(socketpair, SOCKETPAIR) diff --git a/libgloss/arm/linux-syscalls1.c b/libgloss/arm/linux-syscalls1.c deleted file mode 100644 index a196352..0000000 --- a/libgloss/arm/linux-syscalls1.c +++ /dev/null @@ -1,71 +0,0 @@ -/** Linux system call interface. - * Written by Shaun Jackman <sjackman@gmail.com>. - * Copyright 2006 Pathway Connectivity - * - * Permission to use, copy, modify, and distribute this software - * is freely granted, provided that this notice is preserved. - */ - -#include <errno.h> -#include <stdint.h> - -extern char _end[]; -static void *curbrk = _end; - -extern void *_brk(void *addr); - -int brk(void *addr) -{ - void *newbrk; - if (curbrk == addr) - return 0; - newbrk = _brk(addr); - curbrk = newbrk; - if (newbrk < addr) { - errno = ENOMEM; - return -1; - } - return 0; -} - -void *_sbrk(intptr_t incr) -{ - void *oldbrk = curbrk; - if (brk(oldbrk + incr) == -1) - return (void *)-1; - return oldbrk; -} - -void *sbrk(intptr_t incr) __attribute__((alias("_sbrk"))); - -int _set_errno(int n) -{ - if (n < 0) { - errno = -n; - return -1; - } - return n; -} - -#include <sys/wait.h> - -struct rusage; - -pid_t wait4(pid_t pid, int *status, int options, struct rusage *rusage); - -pid_t _wait(int *status) -{ - return wait4(-1, status, 0, NULL); -} - -pid_t waitpid(pid_t pid, int *status, int options) -{ - return wait4(pid, status, options, NULL); -} - -extern int _reboot(int magic, int magic2, int flag, void *arg); - -int reboot(int flag) -{ - return _reboot(0xfee1dead, 0x28121969, flag, NULL); -} diff --git a/libgloss/arm/redboot-crt0.S b/libgloss/arm/redboot-crt0.S deleted file mode 100644 index 88eb60d..0000000 --- a/libgloss/arm/redboot-crt0.S +++ /dev/null @@ -1,133 +0,0 @@ -#include "arm.h" - - .file "crt0.S" - -#define XGLUE(a,b) a##b -#define GLUE(a,b) XGLUE(a,b) - -#ifdef __USER_LABEL_PREFIX__ -#define SYM_NAME( name ) GLUE (__USER_LABEL_PREFIX__, name) -#else -#error __USER_LABEL_PREFIX is not defined -#endif - - .text - .syntax unified - /* Setup the assembly entry point. */ -#ifdef THUMB_V7_V6M -.macro FUNC_START name - .global \name - .thumb_func -\name: -.endm - .thumb -#else -.macro FUNC_START name - .global \name -\name: -.endm - .code 32 -#endif - FUNC_START SYM_NAME(start) - FUNC_START SYM_NAME(_start) - /* Unnecessary to set fp for v6-m/v7-m, which don't support - ARM state. */ -#ifndef THUMB_V7M_V6M - mov fp, #0 /* Null frame pointer. */ -#endif - movs r7, #0 /* Null frame pointer for Thumb. */ - - /* Enable interrupts for gdb debugging. */ -#ifdef THUMB_V7_V6M - cpsie if -#else - mrs r0, cpsr - bic r0, r0, #0xC0 - msr cpsr, r0 -#endif - - movs a2, #0 /* Second arg: fill value. */ - ldr a1, .LC1 /* First arg: start of memory block. */ - ldr a3, .LC2 - subs a3, a3, a1 /* Third arg: length of block. */ - -#ifdef GCRT0 - /* Zero out the bss without using memset. - Using memset is bad because it may be instrumented for - profiling, but at this point, the profiling data structures - have not been set up. - FIXME: This loop could be a lot more efficient. */ - subs a3, a3, #0 - beq 2f -1: strb a2, [a1] - subs a3, a3, #1 - add a1, a1, #1 - bne 1b -2: - /* Nothing to left to clear. */ -#endif - -#if defined(__thumb__) && !defined(THUMB_V7_V6M) - /* Enter Thumb mode. */ - add a4, pc, #1 /* Get the address of the Thumb block. */ - bx a4 /* Go there and start Thumb decoding. */ - - .code 16 - .global __change_mode - .thumb_func -__change_mode: -#endif - -#ifndef GCRT0 - bl SYM_NAME(memset) -#endif - bl SYM_NAME(__get_memtop) - subs r0, r0, #32 - mov sp, r0 - -#ifdef __USES_INITFINI__ - /* Some arm/elf targets use the .init and .fini sections - to create constructors and destructors, and for these - targets we need to call the _init function and arrange - for _fini to be called at program exit. */ - ldr r0, .Lfini - bl SYM_NAME (atexit) - bl SYM_NAME (_init) -#endif - - movs a1, #0 - ldr a2, .LC3 - movs a3, a2 - bl SYM_NAME(main) - 1: bl SYM_NAME(exit) - b 1b - .align 2 -.LC1: - .word __bss_start__ -.LC2: - .word __bss_end__ -.LC3: - .word 0 -#ifdef __USES_INITFINI__ -.Lfini: - .word SYM_NAME(_fini) -#endif -#if 0 -#ifdef __thumb__ - .code 16 -#endif - .global SYM_NAME(__syscall) -#ifdef __thumb__ - .thumb_func -#else - .align 4 -#endif -SYM_NAME(__syscall): - mov r12, lr -#ifdef __thumb__ - swi 0x18 -#else - swi 0x180001 -#endif - mov pc, r12 -#endif diff --git a/libgloss/arm/redboot-syscalls.c b/libgloss/arm/redboot-syscalls.c deleted file mode 100644 index c6b743e..0000000 --- a/libgloss/arm/redboot-syscalls.c +++ /dev/null @@ -1,284 +0,0 @@ -/* - * redboot-syscalls.c -- provide system call support for RedBoot - * - * Copyright (c) 1997, 2001, 2002 Red Hat, Inc. - * - * 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 <stdlib.h> -#include <sys/stat.h> -#include <sys/times.h> -#include <errno.h> -#include "syscall.h" - -// Use "naked" attribute to suppress C prologue/epilogue -static int __attribute__ ((naked)) __syscall(int func_no, ...) -{ - asm ("mov r12, lr\n"); -#ifdef __thumb__ - asm ("swi 0x18\n"); -#else - asm ("swi 0x180001\n"); -#endif - asm ("mov pc, r12\n"); -} - -int -_close(int fd) -{ - int err; - err = __syscall(SYS_close, fd); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - - -void -_exit(int stat) -{ - while (1) - __syscall(SYS_exit, stat); -} - - -int -_stat (const char *filename, struct stat *st) -{ - int err; - err = __syscall(SYS_stat, filename, st); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - -int -_fstat (int file, struct stat *st) -{ - int err; - err = __syscall(SYS_fstat, file, st); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - -int -_getpid(void) -{ - return 1; -} - - -int -_gettimeofday (void * tp, void * tzp) -{ - int err; - err = __syscall(SYS_gettimeofday, tp, tzp); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - - -int -_isatty(int fd) -{ - int err; - err = __syscall(SYS_isatty, fd); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - - -int -_kill(int pid, int sig) -{ - if(pid == 1) - _exit(sig); - return 0; -} - - -off_t -_lseek(int fd, off_t offset, int whence) -{ - int err; - err = __syscall(SYS_lseek, fd, offset, whence); - if (err<0) - { - errno = -err; - return (off_t)-1; - } - return err; -} - - -int -_open(const char *buf, int flags, int mode) -{ - int err ; - err = __syscall(SYS_open, buf, flags, mode); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - - -int -_write(int fd, const char *buf, int nbytes) -{ - int err; - - err = __syscall(SYS_write, fd, buf, nbytes); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - - -void -print(char *ptr) -{ - char *p = ptr; - - while (*p != '\0') - p++; - - _write (1, ptr, p-ptr); -} - -void -_raise (void) -{ - return; -} - - -int -_read(int fd, char *buf, int nbytes) -{ - int err; - err = __syscall(SYS_read, fd, buf, nbytes); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - - -extern char end[]; /* end is set in the linker command file */ - -char *heap_ptr; - -char * -_sbrk (int nbytes) -{ - char *base; - - if (!heap_ptr) - heap_ptr = (char *)&end; - base = heap_ptr; - heap_ptr += nbytes; - - return base; -} - - -clock_t -_times(struct tms * tp) -{ - clock_t utime; - int err; - err = __syscall(SYS_times, &utime); - if (err) - utime = 0; - - if (tp) { - tp->tms_utime = utime; - tp->tms_stime = 0; - tp->tms_cutime = 0; - tp->tms_cstime = 0; - } - - return utime; -} - -int -_rename (const char *oldpath, const char *newpath) -{ - int err ; - err = __syscall(SYS_rename, oldpath, newpath); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - -int -_unlink (const char *pathname) -{ - int err ; - err = __syscall(SYS_unlink, pathname); - if (err<0) - { - errno = -err; - return -1; - } - return err; -} - -int -_system (const char *command) -{ - int err ; - err = __syscall(SYS_system, command); - return err; -} - -#define SYS_meminfo 1001 - -void * -__get_memtop(void) -{ - unsigned long totmem = 0, topmem = 0; - int numbanks; - - __syscall(SYS_meminfo, (unsigned long)&totmem, (unsigned long)&topmem, 0); - return (void*)topmem; -} diff --git a/libgloss/arm/swi.h b/libgloss/arm/swi.h deleted file mode 100644 index 0f93134..0000000 --- a/libgloss/arm/swi.h +++ /dev/null @@ -1,91 +0,0 @@ -#include "arm.h" - -/* SWI numbers for RDP (Demon) monitor. */ -#define SWI_WriteC 0x0 -#define SWI_Write0 0x2 -#define SWI_ReadC 0x4 -#define SWI_CLI 0x5 -#define SWI_GetEnv 0x10 -#define SWI_Exit 0x11 -#define SWI_EnterOS 0x16 - -#define SWI_GetErrno 0x60 -#define SWI_Clock 0x61 -#define SWI_Time 0x63 -#define SWI_Remove 0x64 -#define SWI_Rename 0x65 -#define SWI_Open 0x66 - -#define SWI_Close 0x68 -#define SWI_Write 0x69 -#define SWI_Read 0x6a -#define SWI_Seek 0x6b -#define SWI_Flen 0x6c - -#define SWI_IsTTY 0x6e -#define SWI_TmpNam 0x6f -#define SWI_InstallHandler 0x70 -#define SWI_GenerateError 0x71 - - -/* Now the SWI numbers and reason codes for RDI (Angel) monitors. */ -#define AngelSWI_ARM 0x123456 -#ifdef __thumb__ -#define AngelSWI 0xAB -#else -#define AngelSWI AngelSWI_ARM -#endif -/* For thumb only architectures use the BKPT instruction instead of SWI. */ -#ifdef THUMB_V7M_V6M -#define AngelSWIInsn "bkpt" -#define AngelSWIAsm bkpt -#else -#define AngelSWIInsn "swi" -#define AngelSWIAsm swi -#endif - -/* The reason codes: */ -#define AngelSWI_Reason_Open 0x01 -#define AngelSWI_Reason_Close 0x02 -#define AngelSWI_Reason_WriteC 0x03 -#define AngelSWI_Reason_Write0 0x04 -#define AngelSWI_Reason_Write 0x05 -#define AngelSWI_Reason_Read 0x06 -#define AngelSWI_Reason_ReadC 0x07 -#define AngelSWI_Reason_IsTTY 0x09 -#define AngelSWI_Reason_Seek 0x0A -#define AngelSWI_Reason_FLen 0x0C -#define AngelSWI_Reason_TmpNam 0x0D -#define AngelSWI_Reason_Remove 0x0E -#define AngelSWI_Reason_Rename 0x0F -#define AngelSWI_Reason_Clock 0x10 -#define AngelSWI_Reason_Time 0x11 -#define AngelSWI_Reason_System 0x12 -#define AngelSWI_Reason_Errno 0x13 -#define AngelSWI_Reason_GetCmdLine 0x15 -#define AngelSWI_Reason_HeapInfo 0x16 -#define AngelSWI_Reason_EnterSVC 0x17 -#define AngelSWI_Reason_ReportException 0x18 -#define ADP_Stopped_ApplicationExit ((2 << 16) + 38) -#define ADP_Stopped_RunTimeError ((2 << 16) + 35) - -#if defined(ARM_RDI_MONITOR) && !defined(__ASSEMBLER__) - -static inline int -do_AngelSWI (int reason, void * arg) -{ - int value; - asm volatile ("mov r0, %1; mov r1, %2; " AngelSWIInsn " %a3; mov %0, r0" - : "=r" (value) /* Outputs */ - : "r" (reason), "r" (arg), "i" (AngelSWI) /* Inputs */ - : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" - /* Clobbers r0 and r1, and lr if in supervisor mode */); - /* Accordingly to page 13-77 of ARM DUI 0040D other registers - can also be clobbered. Some memory positions may also be - changed by a system call, so they should not be kept in - registers. Note: we are assuming the manual is right and - Angel is respecting the APCS. */ - return value; -} - -#endif diff --git a/libgloss/arm/syscall.h b/libgloss/arm/syscall.h deleted file mode 100644 index 759801f..0000000 --- a/libgloss/arm/syscall.h +++ /dev/null @@ -1,54 +0,0 @@ -/* General use syscall.h file. - The more ports that use this file, the simpler sim/common/nltvals.def - remains. */ - -#ifndef LIBGLOSS_SYSCALL_H -#define LIBGLOSS_SYSCALL_H - -/* Note: This file may be included by assembler source. */ - -/* These should be as small as possible to allow a port to use a trap type - instruction, which the system call # as the trap (the d10v for instance - supports traps 0..31). An alternative would be to define one trap for doing - system calls, and put the system call number in a register that is not used - for the normal calling sequence (so that you don't have to shift down the - arguments to add the system call number). Obviously, if these system call - numbers are ever changed, all of the simulators and potentially user code - will need to be updated. */ - -/* There is no current need for the following: SYS_execv, SYS_creat, SYS_wait, - etc. etc. Don't add them. */ - -/* These are required by the ANSI C part of newlib (excluding system() of - course). */ -#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_unlink 7 -#define SYS_getpid 8 -#define SYS_kill 9 -#define SYS_fstat 10 -/*#define SYS_sbrk 11 - not currently a system call, but reserved. */ - -/* ARGV support. */ -#define SYS_argvlen 12 -#define SYS_argv 13 - -/* These are extras added for one reason or another. */ -#define SYS_chdir 14 -#define SYS_stat 15 -#define SYS_chmod 16 -#define SYS_utime 17 -#define SYS_time 18 -#define SYS_gettimeofday 19 -#define SYS_times 20 -#define SYS_link 21 -/* These are additional syscalls in RedBoot. */ -#define SYS_rename 3001 -#define SYS_isatty 3002 -#define SYS_system 3003 - -#endif diff --git a/libgloss/arm/syscalls.c b/libgloss/arm/syscalls.c deleted file mode 100644 index 15cc69f..0000000 --- a/libgloss/arm/syscalls.c +++ /dev/null @@ -1,855 +0,0 @@ -/* Support files for GNU libc. Files in the system namespace go here. - Files in the C namespace (ie those that do not start with an - underscore) go in .c. */ - -#include <_ansi.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/fcntl.h> -#include <stdio.h> -#include <string.h> -#include <time.h> -#include <sys/time.h> -#include <sys/times.h> -#include <errno.h> -#include <reent.h> -#include <unistd.h> -#include <sys/wait.h> -#include "swi.h" - -/* Forward prototypes. */ -int _system _PARAMS ((const char *)); -int _rename _PARAMS ((const char *, const char *)); -int _isatty _PARAMS ((int)); -clock_t _times _PARAMS ((struct tms *)); -int _gettimeofday _PARAMS ((struct timeval *, void *)); -int _unlink _PARAMS ((const char *)); -int _link _PARAMS ((void)); -int _stat _PARAMS ((const char *, struct stat *)); -int _fstat _PARAMS ((int, struct stat *)); -int _swistat _PARAMS ((int fd, struct stat * st)); -caddr_t _sbrk _PARAMS ((int)); -int _getpid _PARAMS ((int)); -int _close _PARAMS ((int)); -clock_t _clock _PARAMS ((void)); -int _swiclose _PARAMS ((int)); -int _open _PARAMS ((const char *, int, ...)); -int _swiopen _PARAMS ((const char *, int)); -int _write _PARAMS ((int, char *, int)); -int _swiwrite _PARAMS ((int, char *, int)); -int _lseek _PARAMS ((int, int, int)); -int _swilseek _PARAMS ((int, int, int)); -int _read _PARAMS ((int, char *, int)); -int _swiread _PARAMS ((int, char *, int)); -void initialise_monitor_handles _PARAMS ((void)); - -static int checkerror _PARAMS ((int)); -static int error _PARAMS ((int)); -static int get_errno _PARAMS ((void)); - -/* Struct used to keep track of the file position, just so we - can implement fseek(fh,x,SEEK_CUR). */ -struct fdent -{ - int handle; - int pos; -}; - -#define MAX_OPEN_FILES 20 - -/* User file descriptors (fd) are integer indexes into - the openfiles[] array. Error checking is done by using - findslot(). - - This openfiles array is manipulated directly by only - these 5 functions: - - findslot() - Translate entry. - newslot() - Find empty entry. - initilise_monitor_handles() - Initialize entries. - _swiopen() - Initialize entry. - _close() - Handle stdout == stderr case. - - Every other function must use findslot(). */ - -static struct fdent openfiles [MAX_OPEN_FILES]; - -static struct fdent* findslot _PARAMS ((int)); -static int newslot _PARAMS ((void)); - -/* Register name faking - works in collusion with the linker. */ -register char * stack_ptr asm ("sp"); - - -/* following is copied from libc/stdio/local.h to check std streams */ -extern void _EXFUN(__sinit,(struct _reent *)); -#define CHECK_INIT(ptr) \ - do \ - { \ - if ((ptr) && !(ptr)->__sdidinit) \ - __sinit (ptr); \ - } \ - while (0) - -static int monitor_stdin; -static int monitor_stdout; -static int monitor_stderr; - -/* Return a pointer to the structure associated with - the user file descriptor fd. */ -static struct fdent* -findslot (int fd) -{ - CHECK_INIT(_REENT); - - /* User file descriptor is out of range. */ - if ((unsigned int)fd >= MAX_OPEN_FILES) - return NULL; - - /* User file descriptor is open? */ - if (openfiles[fd].handle == -1) - return NULL; - - /* Valid. */ - return &openfiles[fd]; -} - -/* Return the next lowest numbered free file - structure, or -1 if we can't find one. */ -static int -newslot (void) -{ - int i; - - for (i = 0; i < MAX_OPEN_FILES; i++) - if (openfiles[i].handle == -1) - break; - - if (i == MAX_OPEN_FILES) - return -1; - - return i; -} - -void -initialise_monitor_handles (void) -{ - int i; - - /* Open the standard file descriptors by opening the special - * teletype device, ":tt", read-only to obtain a descritpor for - * standard input and write-only to obtain a descriptor for standard - * output. Finally, open ":tt" in append mode to obtain a descriptor - * for standard error. Since this is a write mode, most kernels will - * probably return the same value as for standard output, but the - * kernel can differentiate the two using the mode flag and return a - * different descriptor for standard error. - */ - -#ifdef ARM_RDI_MONITOR - int volatile block[3]; - - block[0] = (int) ":tt"; - block[2] = 3; /* length of filename */ - block[1] = 0; /* mode "r" */ - monitor_stdin = do_AngelSWI (AngelSWI_Reason_Open, (void *) block); - - block[0] = (int) ":tt"; - block[2] = 3; /* length of filename */ - block[1] = 4; /* mode "w" */ - monitor_stdout = do_AngelSWI (AngelSWI_Reason_Open, (void *) block); - - block[0] = (int) ":tt"; - block[2] = 3; /* length of filename */ - block[1] = 8; /* mode "a" */ - monitor_stderr = do_AngelSWI (AngelSWI_Reason_Open, (void *) block); -#else - int fh; - const char * name; - - name = ":tt"; - asm ("mov r0,%2; mov r1, #0; swi %a1; mov %0, r0" - : "=r"(fh) - : "i" (SWI_Open),"r"(name) - : "r0","r1"); - monitor_stdin = fh; - - name = ":tt"; - asm ("mov r0,%2; mov r1, #4; swi %a1; mov %0, r0" - : "=r"(fh) - : "i" (SWI_Open),"r"(name) - : "r0","r1"); - monitor_stdout = fh; - - name = ":tt"; - asm ("mov r0,%2; mov r1, #8; swi %a1; mov %0, r0" - : "=r"(fh) - : "i" (SWI_Open),"r"(name) - : "r0","r1"); - monitor_stderr = fh; -#endif - - /* If we failed to open stderr, redirect to stdout. */ - if (monitor_stderr == -1) - monitor_stderr = monitor_stdout; - - for (i = 0; i < MAX_OPEN_FILES; i ++) - openfiles[i].handle = -1; - - openfiles[0].handle = monitor_stdin; - openfiles[0].pos = 0; - openfiles[1].handle = monitor_stdout; - openfiles[1].pos = 0; - openfiles[2].handle = monitor_stderr; - openfiles[2].pos = 0; -} - -static int -get_errno (void) -{ -#ifdef ARM_RDI_MONITOR - return do_AngelSWI (AngelSWI_Reason_Errno, NULL); -#else - register r0 asm("r0"); - asm ("swi %a1" : "=r"(r0) : "i" (SWI_GetErrno)); - return r0; -#endif -} - -/* Set errno and return result. */ -static int -error (int result) -{ - errno = get_errno (); - return result; -} - -/* Check the return and set errno appropriately. */ -static int -checkerror (int result) -{ - if (result == -1) - return error (-1); - return result; -} - -/* fh, is a valid internal file handle. - ptr, is a null terminated string. - len, is the length in bytes to read. - Returns the number of bytes *not* written. */ -int -_swiread (int fh, - char * ptr, - int len) -{ -#ifdef ARM_RDI_MONITOR - int block[3]; - - block[0] = fh; - block[1] = (int) ptr; - block[2] = len; - - return checkerror (do_AngelSWI (AngelSWI_Reason_Read, block)); -#else - register r0 asm("r0"); - register r1 asm("r1"); - register r2 asm("r2"); - r0 = fh; - r1 = (int)ptr; - r2 = len; - asm ("swi %a4" - : "=r" (r0) - : "0"(r0), "r"(r1), "r"(r2), "i"(SWI_Read)); - return checkerror (r0); -#endif -} - -/* fd, is a valid user file handle. - Translates the return of _swiread into - bytes read. */ -int -_read (int fd, - char * ptr, - int len) -{ - int res; - struct fdent *pfd; - - pfd = findslot (fd); - if (pfd == NULL) - { - errno = EBADF; - return -1; - } - - res = _swiread (pfd->handle, ptr, len); - - if (res == -1) - return res; - - pfd->pos += len - res; - - /* res == len is not an error, - at least if we want feof() to work. */ - return len - res; -} - -/* fd, is a user file descriptor. */ -int -_swilseek (int fd, - int ptr, - int dir) -{ - int res; - struct fdent *pfd; - - /* Valid file descriptor? */ - pfd = findslot (fd); - if (pfd == NULL) - { - errno = EBADF; - return -1; - } - - /* Valid whence? */ - if ((dir != SEEK_CUR) - && (dir != SEEK_SET) - && (dir != SEEK_END)) - { - errno = EINVAL; - return -1; - } - - /* Convert SEEK_CUR to SEEK_SET */ - if (dir == SEEK_CUR) - { - ptr = pfd->pos + ptr; - /* The resulting file offset would be negative. */ - if (ptr < 0) - { - errno = EINVAL; - if ((pfd->pos > 0) && (ptr > 0)) - errno = EOVERFLOW; - return -1; - } - dir = SEEK_SET; - } - -#ifdef ARM_RDI_MONITOR - int block[2]; - if (dir == SEEK_END) - { - block[0] = pfd->handle; - res = checkerror (do_AngelSWI (AngelSWI_Reason_FLen, block)); - if (res == -1) - return -1; - ptr += res; - } - - /* This code only does absolute seeks. */ - block[0] = pfd->handle; - block[1] = ptr; - res = checkerror (do_AngelSWI (AngelSWI_Reason_Seek, block)); -#else - if (dir == SEEK_END) - { - asm ("mov r0, %2; swi %a1; mov %0, r0" - : "=r" (res) - : "i" (SWI_Flen), "r" (pfd->handle) - : "r0"); - checkerror (res); - if (res == -1) - return -1; - ptr += res; - } - - /* This code only does absolute seeks. */ - asm ("mov r0, %2; mov r1, %3; swi %a1; mov %0, r0" - : "=r" (res) - : "i" (SWI_Seek), "r" (pfd->handle), "r" (ptr) - : "r0", "r1"); - checkerror (res); -#endif - /* At this point ptr is the current file position. */ - if (res >= 0) - { - pfd->pos = ptr; - return ptr; - } - else - return -1; -} - -_lseek (int fd, - int ptr, - int dir) -{ - return _swilseek (fd, ptr, dir); -} - -/* fh, is a valid internal file handle. - Returns the number of bytes *not* written. */ -int -_swiwrite ( - int fh, - char * ptr, - int len) -{ -#ifdef ARM_RDI_MONITOR - int block[3]; - - block[0] = fh; - block[1] = (int) ptr; - block[2] = len; - - return checkerror (do_AngelSWI (AngelSWI_Reason_Write, block)); -#else - register r0 asm("r0"); - register r1 asm("r1"); - register r2 asm("r2"); - r0 = fh; - r1 = (int)ptr; - r2 = len; - asm ("swi %a4" - : "=r" (r0) - : "0"(r0), "r"(r1), "r"(r2), "i"(SWI_Write)); - return checkerror (r0); -#endif -} - -/* fd, is a user file descriptor. */ -int -_write (int fd, - char * ptr, - int len) -{ - int res; - struct fdent *pfd; - - pfd = findslot (fd); - if (pfd == NULL) - { - errno = EBADF; - return -1; - } - - res = _swiwrite (pfd->handle, ptr,len); - - /* Clearly an error. */ - if (res < 0) - return -1; - - pfd->pos += len - res; - - /* We wrote 0 bytes? - Retrieve errno just in case. */ - if ((len - res) == 0) - return error (0); - - return (len - res); -} - -int -_swiopen (const char * path, int flags) -{ - int aflags = 0, fh; -#ifdef ARM_RDI_MONITOR - int block[3]; -#endif - - int fd = newslot (); - - if (fd == -1) - { - errno = EMFILE; - return -1; - } - - /* It is an error to open a file that already exists. */ - if ((flags & O_CREAT) - && (flags & O_EXCL)) - { - struct stat st; - int res; - res = _stat (path, &st); - if (res != -1) - { - errno = EEXIST; - return -1; - } - } - - /* The flags are Unix-style, so we need to convert them. */ -#ifdef O_BINARY - if (flags & O_BINARY) - aflags |= 1; -#endif - - /* In O_RDONLY we expect aflags == 0. */ - - if (flags & O_RDWR) - aflags |= 2; - - if ((flags & O_CREAT) - || (flags & O_TRUNC) - || (flags & O_WRONLY)) - aflags |= 4; - - if (flags & O_APPEND) - { - /* Can't ask for w AND a; means just 'a'. */ - aflags &= ~4; - aflags |= 8; - } - -#ifdef ARM_RDI_MONITOR - block[0] = (int) path; - block[2] = strlen (path); - block[1] = aflags; - - fh = do_AngelSWI (AngelSWI_Reason_Open, block); - -#else - asm ("mov r0,%2; mov r1, %3; swi %a1; mov %0, r0" - : "=r"(fh) - : "i" (SWI_Open),"r"(path),"r"(aflags) - : "r0","r1"); -#endif - - /* Return a user file descriptor or an error. */ - if (fh >= 0) - { - openfiles[fd].handle = fh; - openfiles[fd].pos = 0; - return fd; - } - else - return error (fh); -} - -int -_open (const char * path, int flags, ...) -{ - return _swiopen (path, flags); -} - -/* fh, is a valid internal file handle. */ -int -_swiclose (int fh) -{ -#ifdef ARM_RDI_MONITOR - return checkerror (do_AngelSWI (AngelSWI_Reason_Close, &fh)); -#else - register r0 asm("r0"); - r0 = fh; - asm ("swi %a2" - : "=r"(r0) - : "0"(r0), "i" (SWI_Close)); - return checkerror (r0); -#endif -} - -/* fd, is a user file descriptor. */ -int -_close (int fd) -{ - int res; - struct fdent *pfd; - - pfd = findslot (fd); - if (pfd == NULL) - { - errno = EBADF; - return -1; - } - - /* Handle stderr == stdout. */ - if ((fd == 1 || fd == 2) - && (openfiles[1].handle == openfiles[2].handle)) - { - pfd->handle = -1; - return 0; - } - - /* Attempt to close the handle. */ - res = _swiclose (pfd->handle); - - /* Reclaim handle? */ - if (res == 0) - pfd->handle = -1; - - return res; -} - -int __attribute__((weak)) -_getpid (int n __attribute__ ((unused))) -{ - return 1; -} - -caddr_t -_sbrk (int incr) -{ - extern char end asm ("end"); /* Defined by the linker. */ - static char * heap_end; - char * prev_heap_end; - - if (heap_end == NULL) - heap_end = & end; - - prev_heap_end = heap_end; - - if (heap_end + incr > stack_ptr) - { - /* Some of the libstdc++-v3 tests rely upon detecting - out of memory errors, so do not abort here. */ -#if 0 - extern void abort (void); - - _write (1, "_sbrk: Heap and stack collision\n", 32); - - abort (); -#else - errno = ENOMEM; - return (caddr_t) -1; -#endif - } - - heap_end += incr; - - return (caddr_t) prev_heap_end; -} - -int -_swistat (int fd, struct stat * st) -{ - struct fdent *pfd; - int res; - - pfd = findslot (fd); - if (pfd == NULL) - { - errno = EBADF; - return -1; - } - - /* Always assume a character device, - with 1024 byte blocks. */ - st->st_mode |= S_IFCHR; - st->st_blksize = 1024; -#ifdef ARM_RDI_MONITOR - res = checkerror (do_AngelSWI (AngelSWI_Reason_FLen, &pfd->handle)); -#else - asm ("mov r0, %2; swi %a1; mov %0, r0" - : "=r" (res) - : "i" (SWI_Flen), "r" (pfd->handle) - : "r0"); - checkerror (res); -#endif - if (res == -1) - return -1; - /* Return the file size. */ - st->st_size = res; - return 0; -} - -int __attribute__((weak)) -_fstat (int fd, struct stat * st) -{ - memset (st, 0, sizeof (* st)); - return _swistat (fd, st); -} - -int __attribute__((weak)) -_stat (const char *fname, struct stat *st) -{ - int fd, res; - memset (st, 0, sizeof (* st)); - /* The best we can do is try to open the file readonly. - If it exists, then we can guess a few things about it. */ - if ((fd = _open (fname, O_RDONLY)) == -1) - return -1; - st->st_mode |= S_IFREG | S_IREAD; - res = _swistat (fd, st); - /* Not interested in the error. */ - _close (fd); - return res; -} - -int __attribute__((weak)) -_link (void) -{ - errno = ENOSYS; - return -1; -} - -int -_unlink (const char *path) -{ - int res; -#ifdef ARM_RDI_MONITOR - int block[2]; - block[0] = (int)path; - block[1] = strlen(path); - res = do_AngelSWI (AngelSWI_Reason_Remove, block); -#else - register r0 asm("r0"); - r0 = (int)path; - asm ("swi %a2" - : "=r"(r0) - : "0"(r0), "i" (SWI_Remove)); - res = r0; -#endif - if (res == -1) - return error (res); - return 0; -} - -int -_gettimeofday (struct timeval * tp, void * tzvp) -{ - struct timezone *tzp = tzvp; - if (tp) - { - /* Ask the host for the seconds since the Unix epoch. */ -#ifdef ARM_RDI_MONITOR - tp->tv_sec = do_AngelSWI (AngelSWI_Reason_Time,NULL); -#else - { - int value; - asm ("swi %a1; mov %0, r0" : "=r" (value): "i" (SWI_Time) : "r0"); - tp->tv_sec = value; - } -#endif - tp->tv_usec = 0; - } - - /* Return fixed data for the timezone. */ - if (tzp) - { - tzp->tz_minuteswest = 0; - tzp->tz_dsttime = 0; - } - - return 0; -} - -/* Return a clock that ticks at 100Hz. */ -clock_t -_clock (void) -{ - clock_t timeval; - -#ifdef ARM_RDI_MONITOR - timeval = do_AngelSWI (AngelSWI_Reason_Clock,NULL); -#else - asm ("swi %a1; mov %0, r0" : "=r" (timeval): "i" (SWI_Clock) : "r0"); -#endif - return timeval; -} - -/* Return a clock that ticks at 100Hz. */ -clock_t -_times (struct tms * tp) -{ - clock_t timeval = _clock(); - - if (tp) - { - tp->tms_utime = timeval; /* user time */ - tp->tms_stime = 0; /* system time */ - tp->tms_cutime = 0; /* user time, children */ - tp->tms_cstime = 0; /* system time, children */ - } - - return timeval; -}; - - -int -_isatty (int fd) -{ - struct fdent *pfd; - int tty; - - pfd = findslot (fd); - if (pfd == NULL) - { - errno = EBADF; - return 0; - } - -#ifdef ARM_RDI_MONITOR - tty = do_AngelSWI (AngelSWI_Reason_IsTTY, &pfd->handle); -#else - register r0 asm("r0"); - r0 = pfd->handle; - asm ("swi %a2" - : "=r" (r0) - : "0"(r0), "i" (SWI_IsTTY)); - tty = r0; -#endif - - if (tty == 1) - return 1; - errno = get_errno (); - return 0; -} - -int -_system (const char *s) -{ -#ifdef ARM_RDI_MONITOR - int block[2]; - int e; - - /* Hmmm. The ARM debug interface specification doesn't say whether - SYS_SYSTEM does the right thing with a null argument, or assign any - meaning to its return value. Try to do something reasonable.... */ - if (!s) - return 1; /* maybe there is a shell available? we can hope. :-P */ - block[0] = (int)s; - block[1] = strlen (s); - e = checkerror (do_AngelSWI (AngelSWI_Reason_System, block)); - if ((e >= 0) && (e < 256)) - { - /* We have to convert e, an exit status to the encoded status of - the command. To avoid hard coding the exit status, we simply - loop until we find the right position. */ - int exit_code; - - for (exit_code = e; e && WEXITSTATUS (e) != exit_code; e <<= 1) - continue; - } - return e; -#else - register r0 asm("r0"); - r0 = (int)s; - asm ("swi %a2" - : "=r" (r0) - : "0"(r0), "i" (SWI_CLI)); - return checkerror (r0); -#endif -} - -int -_rename (const char * oldpath, const char * newpath) -{ -#ifdef ARM_RDI_MONITOR - int block[4]; - block[0] = (int)oldpath; - block[1] = strlen(oldpath); - block[2] = (int)newpath; - block[3] = strlen(newpath); - return checkerror (do_AngelSWI (AngelSWI_Reason_Rename, block)) ? -1 : 0; -#else - register r0 asm("r0"); - register r1 asm("r1"); - r0 = (int)oldpath; - r1 = (int)newpath; - asm ("swi %a3" - : "=r" (r0) - : "0" (r0), "r" (r1), "i" (SWI_Rename)); - return checkerror (r0); -#endif -} diff --git a/libgloss/arm/trap.S b/libgloss/arm/trap.S deleted file mode 100644 index 9eb3906..0000000 --- a/libgloss/arm/trap.S +++ /dev/null @@ -1,96 +0,0 @@ -#include "arm.h" - /* Run-time exception support */ -#ifndef THUMB_V7_V6M -#include "swi.h" - -/* .text is used instead of .section .text so it works with arm-aout too. */ - .text - .align 0 - .global __rt_stkovf_split_big - .global __rt_stkovf_split_small - -/* The following functions are provided for software stack checking. - If hardware stack-checking is being used then the code can be - compiled without the PCS entry checks, and simply rely on VM - management to extend the stack for a thread. - - The stack extension event occurs when the PCS function entry code - would result in a stack-pointer beneath the stack-limit register - value. The system relies on the following map: - - +-----------------------------------+ <-- end of stack block - | ... | - | ... | - | active stack | - | ... | <-- sp (stack-pointer) somewhere in here - | ... | - +-----------------------------------+ <-- sl (stack-limit) - | stack-extension handler workspace | - +-----------------------------------+ <-- base of stack block - - The "stack-extension handler workspace" is an amount of memory in - which the stack overflow support code must execute. It must be - large enough to deal with the worst case path through the extension - code. At the moment the compiler expects this to be AT LEAST - 256bytes. It uses this fact to code functions with small local - data usage within the overflow space. - - In a true target environment We may need to increase the space - between sl and the true limit to allow for the stack extension - code, SWI handlers and for undefined instruction handlers of the - target environment. */ - -__rt_stkovf_split_small: - mov ip,sp @ Ensure we can calculate the stack required - @ and fall through to... -__rt_stkovf_split_big: - @ in: sp = current stack-pointer (beneath stack-limit) - @ sl = current stack-limit - @ ip = low stack point we require for the current function - @ lr = return address into the current function - @ fp = frame-pointer - @ original sp --> +----------------------------------+ - @ | pc (12 ahead of PCS entry store) | - @ current fp ---> +----------------------------------+ - @ | lr (on entry) pc (on exit) | - @ +----------------------------------+ - @ | sp ("original sp" on entry) | - @ +----------------------------------+ - @ | fp (on entry to function) | - @ +----------------------------------+ - @ | | - @ | ..argument and work registers.. | - @ | | - @ current sp ---> +----------------------------------+ - @ - @ The "current sl" is somewhere between "original sp" and "current sp" - @ but above "true sl". The "current sl" should be at least 256bytes - @ above the "true sl". The 256byte stack guard should be large enough - @ to deal with the worst case function entry stacking (160bytes) plus - @ the stack overflow handler stacking requirements, plus the stack - @ required for the memory allocation routines. - @ - @ Normal PCS entry (before stack overflow check) can stack 16 - @ standard registers (64bytes) and 8 floating point registers - @ (96bytes). This gives a minimum stack guard of 160bytes (excluding - @ the stack required for the code). (Actually only a maximum of - @ 14standard registers are ever stacked on entry to a function). - @ - @ NOTE: Structure returns are performed by the caller allocating a - @ dummy space on the stack and passing in a "phantom" arg1 into - @ the function. This means that we do not need to worry about - @ preserving the stack under "sp" even on function return. - @ - @ Code should never poke values beneath sp. The sp register - @ should always be "dropped" first to cover the data. This - @ protects the data against any events that may try and use - @ the stack. - - SUB ip, sp, ip @ extra stack required for function - @ Add stack extension code here. If desired a new stack chunk - @ can be allocated, and the register state updated suitably. - - @ We now know how much extra stack the function requires. - @ Terminate the program for the moment: - swi SWI_Exit -#endif |