+2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config.gcc: Move inclusion of arm elf specific header files
+ from the files themselves into the tm_file variable. Make
+ sure that elfos.h is included before target specific elf
+ headers.
+ * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
+ already defined.
+ (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
+ * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
+ ASM_OUTPUT_CASE_LABEL): Protect definition.
+ (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
+ not already defined.
+ * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
+ LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
+ Remove duplicate definition.
+ (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
+ (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
+ (RDATA_SECTION_FUNCTION): Remove redundant definition.
+ (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
+ Remove inclusion of arm/elf.h.
+ * config/arm/unknown-elf.h: as for conix-elf.h.
+ (STARTFILE_SPEC): Include crti.o and crtn.o.
+ * config/arm/linux-elf.h: as for conix-elf.h.
+ * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
+ * config/arm/strongarm-elf.h: Remove inclusion of
+ unknown-elf.h.
+ * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
+ * config/arm/unknown-elf-oabi.h: Remove inclusion of
+ unknown-elf.h and elf.h.
+ * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
+ * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
+ ASM_WEAKEN_LABEL): Remove redundant definition.
+ * config/arm/elf.h: Test for inclusion of elfos.h
+ (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
+ ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
+ SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
+ EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
+ redundant definition.
+ (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
+ ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
+ ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
+ * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
+ Add rules to build crti.o and crtn.o
+ * crti.asm: New file.
+ * crtn.asm: New file.
+
2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
* c-parse.in (_yylex): Use _cpp_backup_tokens.
extra_parts="crtinit.o crtfini.o"
;;
arm*-*-rtems*)
- tm_file=arm/rtems-elf.h
+ tm_file="elfos.h arm/unknown-elf.h arm/elf.h arm/rtems-elf.h rtems.h"
tmake_file="arm/t-arm-elf t-rtems"
if test x$enable_threads = xyes; then
thread_file='rtems'
;;
arm*-*-linux*) # ARM GNU/Linux with ELF
xmake_file=x-linux
- tm_file="arm/linux-elf.h"
+ tm_file="elfos.h arm/unknown-elf.h arm/elf.h arm/linux-gas.h arm/linux-elf.h"
tmake_file="t-slibgcc-elf-ver t-linux arm/t-linux"
extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
gnu_ld=yes
esac
;;
arm*-*-uclinux*) # ARM ucLinux
- tm_file=arm/uclinux-elf.h
+ tm_file="elfos.h arm/unknown-elf.h arm/elf.h arm/linux-gas.h arm/linux-elf.h arm/uclinux-elf.h"
tmake_file=arm/t-arm-elf
;;
arm*-*-aout)
tmake_file=arm/t-arm-aout
;;
arm*-*-ecos-elf)
- tm_file=arm/ecos-elf.h
+ tm_file="elfos.h arm/unknown-elf.h arm/elf.h arm/ecos-elf.h"
tmake_file=arm/t-arm-elf
;;
arm*-*-elf)
- tm_file=arm/unknown-elf.h
+ tm_file="elfos.h arm/unknown-elf.h arm/elf.h"
tmake_file=arm/t-arm-elf
;;
arm*-*-conix*)
- tm_file=arm/conix-elf.h
+ tm_file="elfos.h arm/unknown-elf.h arm/elf.h arm/conix-elf.h"
tmake_file=arm/t-arm-elf
;;
arm*-*-oabi)
- tm_file=arm/unknown-elf-oabi.h
+ tm_file="arm/unknown-elf-oabi.h elfos.h arm/unknown-elf.h arm/elf.h"
tmake_file=arm/t-arm-elf
;;
arm-*-pe*)
extra_parts="crtbegin.o crtend.o"
;;
strongarm-*-elf*)
- tm_file=arm/strongarm-elf.h
+ tm_file="arm/strongarm-elf.h elfos.h arm/unknown-elf.h arm/elf.h"
tmake_file=arm/t-strongarm-elf
out_file=arm/arm.c
md_file=arm/arm.md
use_collect2=yes
;;
xscale-*-elf)
- tm_file=arm/xscale-elf.h
+ tm_file="arm/xscale-elf.h elfos.h arm/unknown-elf.h arm/elf.h"
tmake_file=arm/t-xscale-elf
out_file=arm/arm.c
md_file=arm/arm.md
/* Arm Assembler barfs on dollars */
#define DOLLARS_IN_IDENTIFIERS 0
+#ifndef NO_DOLLAR_IN_LABEL
#define NO_DOLLAR_IN_LABEL 1
+#endif
/* DBX register number for a given compiler register number */
#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
#define ASM_OUTPUT_BYTE(STREAM, VALUE) \
fprintf (STREAM, "\t.byte\t%d\n", VALUE)
+#undef ASM_OUTPUT_ASCII
#define ASM_OUTPUT_ASCII(STREAM, PTR, LEN) \
output_ascii_pseudo_op (STREAM, (const unsigned char *)(PTR), LEN)
/* Output a gap. In fact we fill it with nulls. */
+#undef ASM_OUTPUT_SKIP
#define ASM_OUTPUT_SKIP(STREAM, NBYTES) \
fprintf (STREAM, "\t.space\t%d\n", NBYTES)
%{!mthumb-interwork:%{!mno-thumb-interwork:%(cpp_interwork_default)}} \
"
+#ifndef CC1_SPEC
#define CC1_SPEC ""
+#endif
/* This macro defines names of additional specifications to put in the specs
that can be used in various specifications like CC1_SPEC. Its definition
/* Default floating point architecture. Override in sub-target if
necessary. */
+#ifndef FP_DEFAULT
#define FP_DEFAULT FP_SOFT2
+#endif
/* Nonzero if the processor has a fast multiply insn, and one that does
a 64-bit multiply of two 32-bit values. */
that is controlled by the APCS-FRAME option. */
#define CAN_DEBUG_WITHOUT_FP
+#undef TARGET_MEM_FUNCTIONS
#define TARGET_MEM_FUNCTIONS 1
#define OVERRIDE_OPTIONS arm_override_options ()
The ``mov ip,lr'' seems like a good idea to stick with cc convention.
``prof'' doesn't seem to mind about this! */
+#ifndef ARM_FUNCTION_PROFILER
#define ARM_FUNCTION_PROFILER(STREAM, LABELNO) \
{ \
char temp[20]; \
sym = gen_rtx (SYMBOL_REF, Pmode, temp); \
ASM_OUTPUT_INT (STREAM, sym); \
}
+#endif
#define THUMB_FUNCTION_PROFILER(STREAM, LABELNO) \
{ \
/* This is how to output a label which precedes a jumptable. Since
Thumb instructions are 2 bytes, we may need explicit alignment here. */
+#undef ASM_OUTPUT_CASE_LABEL
#define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE) \
do \
{ \
/* Definitions of target machine for GNU compiler,
for ARM with ConiX OS.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001 Free Software Foundation, Inc.
Contributed by Philip Blundell <pb@futuretv.com>
This file is part of GNU CC.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+`Boston, MA 02111-1307, USA. */
+
+/* elfos.h should have already been included. Now just override
+ any conflicting definitions and add any extras. */
/* Run-time Target Specification. */
-#ifndef TARGET_VERSION
+#undef TARGET_VERSION
#define TARGET_VERSION fputs (" (ARM/ELF ConiX)", stderr);
-#endif
/* Default to using APCS-32 and software floating point. */
-#ifndef TARGET_DEFAULT
+#undef TARGET_DEFAULT
#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32)
-#endif
-
-/* Now we define the strings used to build the spec file. */
-#define STARTFILE_SPEC "crtbegin%O%s crt0%O%s"
-
-#define ENDFILE_SPEC "crtend%O%s"
-
-#define USER_LABEL_PREFIX ""
-#define LOCAL_LABEL_PREFIX "."
-
-#define TEXT_SECTION "\t.text"
-
-/* Debugging */
-#define DWARF2_DEBUGGING_INFO
-#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
-
-/* Support for Constructors and Destructors. */
-#define READONLY_DATA_SECTION rdata_section
-
-/* A list of other sections which the compiler might be "in" at any
- given time. */
-#define SUBTARGET_EXTRA_SECTIONS in_rdata,
-
-/* A list of extra section function definitions. */
-#define SUBTARGET_EXTRA_SECTION_FUNCTIONS RDATA_SECTION_FUNCTION
-
-#define RDATA_SECTION_ASM_OP "\t.section .rodata"
-
-#define RDATA_SECTION_FUNCTION \
-void \
-rdata_section () \
-{ \
- if (in_section != in_rdata) \
- { \
- fprintf (asm_out_file, "%s\n", RDATA_SECTION_ASM_OP); \
- in_section = in_rdata; \
- } \
-}
-
-/* Switch into a generic section. */
-#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
-
-/* The ARM development system defines __main. */
-#define NAME__MAIN "__gccmain"
-#define SYMBOL__MAIN __gccmain
-
-#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
-#define UNIQUE_SECTION(DECL,RELOC) \
- do \
- { \
- int len; \
- char * name, * string, * prefix; \
- \
- name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
- \
- if (! DECL_ONE_ONLY (DECL)) \
- { \
- prefix = "."; \
- if (TREE_CODE (DECL) == FUNCTION_DECL) \
- prefix = ".text."; \
- else if (DECL_READONLY_SECTION (DECL, RELOC)) \
- prefix = ".rodata."; \
- else \
- prefix = ".data."; \
- } \
- else if (TREE_CODE (DECL) == FUNCTION_DECL) \
- prefix = ".gnu.linkonce.t."; \
- else if (DECL_READONLY_SECTION (DECL, RELOC)) \
- prefix = ".gnu.linkonce.r."; \
- else \
- prefix = ".gnu.linkonce.d."; \
- \
- len = strlen (name) + strlen (prefix); \
- string = alloca (len + 1); \
- sprintf (string, "%s%s", prefix, name); \
- \
- DECL_SECTION_NAME (DECL) = build_string (len, string); \
- } \
- while (0)
#ifndef CPP_APCS_PC_DEFAULT_SPEC
#define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__"
#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm7tdmi
#endif
+#undef CPP_PREDEFINES
#define CPP_PREDEFINES \
"-D__arm__ -D__CONIX__ -Acpu=arm -Amachine=arm -D__ELF__"
-
-/* Now get the routine arm-elf definitions. */
-#include "arm/elf.h"
--- /dev/null
+# Copyright (C) 2001 Free Software Foundation, Inc.
+# Written By Nick Clifton
+#
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2, or (at your option) any
+# later version.
+#
+# In addition to the permissions in the GNU General Public License, the
+# Free Software Foundation gives you unlimited permission to link the
+# compiled version of this file with other programs, and to distribute
+# those programs without any restriction coming from the use of this
+# file. (The General Public License restrictions do apply in other
+# respects; for example, they cover modification of the file, and
+# distribution when not linked into another program.)
+#
+# This file is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; see the file COPYING. If not, write to
+# the Free Software Foundation, 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+#
+# As a special exception, if you link this library with files
+# compiled with GCC to produce an executable, this does not cause
+# the resulting executable to be covered by the GNU General Public License.
+# This exception does not however invalidate any other reasons why
+# the executable file might be covered by the GNU General Public License.
+#
+
+# This file just make a stack frame for the contents of the .fini and
+# .init sections. Users may put any desired instructions in those
+# sections.
+
+ # Note - this macro is complimented by the FUNC_END macro
+ # in crtn.asm. If you change this macro you must also change
+ # that macro match.
+.macro FUNC_START
+#ifdef __thumb__
+ .thumb
+
+ push {r4, r5, r6, r7, lr}
+#else
+ .arm
+ # Create a stack frame and save any call-preserved registers
+ mov ip, sp
+ stmdb sp!, {r4, r5, r6, r7, r8, r9, sl, fp, ip, lr, pc}
+ sub fp, ip, #4
+#endif
+.endm
+
+ .file "crti.asm"
+
+ .section ".init"
+ .align 2
+ .global _init
+_init:
+ FUNC_START
+
+
+ .section ".fini"
+ .align 2
+ .global _fini
+_fini:
+ FUNC_START
+
+# end of crti.asm
--- /dev/null
+# Copyright (C) 2001 Free Software Foundation, Inc.
+# Written By Nick Clifton
+#
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2, or (at your option) any
+# later version.
+#
+# In addition to the permissions in the GNU General Public License, the
+# Free Software Foundation gives you unlimited permission to link the
+# compiled version of this file with other programs, and to distribute
+# those programs without any restriction coming from the use of this
+# file. (The General Public License restrictions do apply in other
+# respects; for example, they cover modification of the file, and
+# distribution when not linked into another program.)
+#
+# This file is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; see the file COPYING. If not, write to
+# the Free Software Foundation, 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+#
+# As a special exception, if you link this library with files
+# compiled with GCC to produce an executable, this does not cause
+# the resulting executable to be covered by the GNU General Public License.
+# This exception does not however invalidate any other reasons why
+# the executable file might be covered by the GNU General Public License.
+#
+
+# This file just makes sure that the .fini and .init sections do in
+# fact return. Users may put any desired instructions in those sections.
+# This file is the last thing linked into any executable.
+
+ # Note - this macro is complimented by the FUNC_START macro
+ # in crti.asm. If you change this macro you must also change
+ # that macro match.
+ #
+ # Note - we do not try any fancy optimisations of the return
+ # sequences here, it is just not worth it. Instead keep things
+ # simple. Restore all the save resgisters, including the link
+ # register and then perform the correct function return instruction.
+.macro FUNC_END
+#ifdef __thumb__
+ .thumb
+
+ pop {r4, r5, r6, r7}
+ pop {r3}
+ mov lr, r3
+#else
+ .arm
+
+ ldmdb fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, lr}
+#endif
+
+#if defined __THUMB_INTERWORK__ || defined __thumb__
+ bx lr
+#else
+#ifdef __APCS_26__
+ movs pc, lr
+#else
+ mov pc, lr
+#endif
+#endif
+.endm
+
+
+ .file "crtn.asm"
+
+ .section ".init"
+ ;;
+ FUNC_END
+
+ .section ".fini"
+ ;;
+ FUNC_END
+
+# end of crtn.asm
/* Definitions for ecos based ARM systems using ELF
- Copyright (C) 1998 Free Software Foundation, Inc.
+ Copyright (C) 1998, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
Boston, MA 02111-1307, USA. */
/* Run-time Target Specification. */
+#undef TARGET_VERSION
#define TARGET_VERSION fputs (" (ARM/ELF Ecos)", stderr);
#define HAS_INIT_SECTION
-#include "unknown-elf.h"
-
#undef INVOKE_main
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-
-#define OBJECT_FORMAT_ELF
+#ifndef OBJECT_FORMAT_ELF
+ #error elf.h included before elfos.h
+#endif
#ifndef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
#endif
-#ifndef USER_LABEL_PREFIX
-#define USER_LABEL_PREFIX ""
-#endif
-
#ifndef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC "-D__ELF__"
#endif
%(subtarget_extra_asm_spec)"
#endif
-/* The following macro defines the format used to output the second
- operand of the .type assembler directive. Different svr4 assemblers
- expect various different forms for this operand. The one given here
- is just a default. You may need to override it in your machine-
- specific tm.h file (depending upon the particulars of your assembler). */
+/* The ARM uses @ are a comment character so we need to redefine
+ TYPE_OPERAND_FMT. */
+#undef TYPE_OPERAND_FMT
#define TYPE_OPERAND_FMT "%s"
-/* Write the extra assembler code needed to declare a function's result.
- Most svr4 assemblers don't require any special declaration of the
- result value, but there are exceptions. */
-#ifndef ASM_DECLARE_RESULT
-#define ASM_DECLARE_RESULT(FILE, RESULT)
-#endif
-
-/* These macros generate the special .type and .size directives which
- are used to set the corresponding fields of the linker symbol table
- entries in an ELF object file under SVR4. These macros also output
- the starting labels for the relevant functions/objects. */
-#define TYPE_ASM_OP "\t.type\t"
-#define SIZE_ASM_OP "\t.size\t"
-
-/* Write the extra assembler code needed to declare a function properly.
- Some svr4 assemblers need to also have something extra said about the
- function's return value. We allow for that here. */
+/* We might need a ARM specific header to function declarations. */
+#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
do \
{ \
} \
while (0)
-/* Write the extra assembler code needed to declare an object properly. */
-#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
- do \
- { \
- fprintf (FILE, "%s", TYPE_ASM_OP); \
- assemble_name (FILE, NAME); \
- putc (',', FILE); \
- fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
- putc ('\n', FILE); \
- size_directive_output = 0; \
- if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \
- { \
- size_directive_output = 1; \
- fprintf (FILE, "%s", SIZE_ASM_OP); \
- assemble_name (FILE, NAME); \
- putc (',', FILE); \
- fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \
- int_size_in_bytes (TREE_TYPE (DECL))); \
- fputc ('\n', FILE); \
- } \
- ASM_OUTPUT_LABEL(FILE, NAME); \
- } \
- while (0)
-
-/* Output the size directive for a decl in rest_of_decl_compilation
- in the case where we did not do so before the initializer.
- Once we find the error_mark_node, we know that the value of
- size_directive_output was set
- by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */
-#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
- do \
- { \
- const char * name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
- if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \
- && ! AT_END && TOP_LEVEL \
- && DECL_INITIAL (DECL) == error_mark_node \
- && !size_directive_output) \
- { \
- size_directive_output = 1; \
- fprintf (FILE, "%s", SIZE_ASM_OP); \
- assemble_name (FILE, name); \
- putc (',', FILE); \
- fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \
- int_size_in_bytes (TREE_TYPE (DECL))); \
- fputc ('\n', FILE); \
- } \
- } \
- while (0)
-
-/* This is how to declare the size of a function. */
+/* We might need an ARM specific trailer for function declarations. */
+#undef ASM_DECLARE_FUNCTION_SIZE
#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
do \
{ \
#endif
/* Output an internal label definition. */
-#ifndef ASM_OUTPUT_INTERNAL_LABEL
+#undef ASM_OUTPUT_INTERNAL_LABEL
#define ASM_OUTPUT_INTERNAL_LABEL(STREAM, PREFIX, NUM) \
do \
{ \
extern rtx arm_target_insn; \
\
if (arm_ccfsm_state == 3 && arm_target_label == (NUM) \
- && !strcmp (PREFIX, "L")) \
+ && !strcmp (PREFIX, "L")) \
{ \
arm_ccfsm_state = 0; \
arm_target_insn = NULL; \
} \
- ASM_GENERATE_INTERNAL_LABEL (s, (PREFIX), (NUM)); \
- ASM_OUTPUT_LABEL (STREAM, s); \
+ ASM_GENERATE_INTERNAL_LABEL (s, (PREFIX), (NUM)); \
+ ASM_OUTPUT_LABEL (STREAM, s); \
} \
while (0)
-#endif
\f
-/* A list of other sections which the compiler might be "in" at any
- given time. */
-#ifndef SUBTARGET_EXTRA_SECTIONS
-#define SUBTARGET_EXTRA_SECTIONS
-#endif
-
-#ifndef EXTRA_SECTIONS
-#define EXTRA_SECTIONS SUBTARGET_EXTRA_SECTIONS
-#endif
-
-/* A list of extra section function definitions. */
-#ifndef SUBTARGET_EXTRA_SECTION_FUNCTIONS
-#define SUBTARGET_EXTRA_SECTION_FUNCTIONS
-#endif
-
-#ifndef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
- SUBTARGET_EXTRA_SECTION_FUNCTIONS
-#endif
-
-/* Switch into a generic section. */
-#undef TARGET_ASM_NAMED_SECTION
+#undef TARGET_ASM_NAMED_SECTION
#define TARGET_ASM_NAMED_SECTION arm_elf_asm_named_section
\f
-/* Support the ctors/dtors sections for g++. */
-#ifndef INT_ASM_OP
-#define INT_ASM_OP "\t.word\t"
-#endif
-
-/* This is how we tell the assembler that a symbol is weak. */
-
-#define ASM_WEAKEN_LABEL(FILE, NAME) \
- do \
- { \
- fputs ("\t.weak\t", FILE); \
- assemble_name (FILE, NAME); \
- fputc ('\n', FILE); \
- } \
- while (0)
-
-#ifndef ASM_OUTPUT_ALIGNED_COMMON
+#undef ASM_OUTPUT_ALIGNED_COMMON
#define ASM_OUTPUT_ALIGNED_COMMON(STREAM, NAME, SIZE, ALIGN) \
do \
{ \
fprintf (STREAM, ", %d, %d\n", SIZE, ALIGN); \
} \
while (0)
-#endif
/* For PIC code we need to explicitly specify (PLT) and (GOT) relocs. */
#define NEED_PLT_RELOC flag_pic
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+/* elfos.h should have already been included. Now just override
+ any conflicting definitions and add any extras. */
+
/* Run-time Target Specification. */
+#undef TARGET_VERSION
#define TARGET_VERSION fputs (" (ARM GNU/Linux with ELF)", stderr);
/* Do not assume anything about header files. */
#define NO_IMPLICIT_EXTERN_C
/* Default is to use APCS-32 mode. */
+#undef TARGET_DEFAULT
#define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_MMU_TRAPS)
+
#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux -p"
+
+#undef MULTILIB_DEFAULTS
#define MULTILIB_DEFAULTS \
{ "marm", "mlittle-endian", "mhard-float", "mapcs-32", "mno-thumb-interwork" }
-#define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__"
-/* Handle #pragma weak and #pragma pack. */
-#define HANDLE_SYSV_PRAGMA
+#define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__"
/* Now we define the strings used to build the spec file. */
#define LIB_SPEC \
%{!shared: %{pthread:-lpthread} \
%{profile:-lc_p} %{!profile: -lc}}"
-
#define LIBGCC_SPEC "%{msoft-float:-lfloat} -lgcc"
/* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
provides part of the support for getting C++ file-scope static
object constructed before entering `main'. */
+#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
"%{!shared: \
%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
object constructed before entering `main', followed by a normal
GNU/Linux "finalizer" file, `crtn.o'. */
+#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
"%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
+#undef LINK_SPEC
#define LINK_SPEC "%{h*} %{version:-v} \
%{b} %{Wl,*:%*} \
%{static:-Bstatic} \
/* Allow #sccs in preprocessor. */
#define SCCS_DIRECTIVE
-#define USER_LABEL_PREFIX "" /* For ELF the default is no underscores */
-#define LOCAL_LABEL_PREFIX "."
-
-#define IDENT_ASM_OP "\t.ident\t"
-
-/* Output #ident as a .ident. */
-#define ASM_OUTPUT_IDENT(FILE, NAME) \
- fprintf (FILE, "%s\"%s\"\n", IDENT_ASM_OP, NAME);
-
-/* Support const sections and the ctors and dtors sections for g++.
- Note that there appears to be two different ways to support const
- sections at the moment. You can either #define the symbol
- READONLY_DATA_SECTION (giving it some code which switches to the
- readonly data section) or else you can #define the symbols
- EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and
- SELECT_RTX_SECTION. We do both here just to be on the safe side. */
-#define USE_CONST_SECTION 1
-
-/* Support for Constructors and Destructors. */
-#define READONLY_DATA_SECTION() const_section ()
-
-/* A default list of other sections which we might be "in" at any given
- time. For targets that use additional sections (e.g. .tdesc) you
- should override this definition in the target-specific file which
- includes this file. */
-#define SUBTARGET_EXTRA_SECTIONS in_const,
-
-/* A default list of extra section function definitions. For targets
- that use additional sections (e.g. .tdesc) you should override this
- definition in the target-specific file which includes this file. */
-#define SUBTARGET_EXTRA_SECTION_FUNCTIONS CONST_SECTION_FUNCTION
-
-#define CONST_SECTION_ASM_OP "\t.section\t.rodata"
-
-#define CONST_SECTION_FUNCTION \
-void \
-const_section () \
-{ \
- if (!USE_CONST_SECTION) \
- text_section (); \
- else if (in_section != in_const) \
- { \
- fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP); \
- in_section = in_const; \
- } \
-}
-
-/* Switch into a generic section. */
-#define TARGET_ASM_NAMED_SECTION arm_elf_asm_named_section
-
-/* A C statement or statements to switch to the appropriate
- section for output of DECL. DECL is either a `VAR_DECL' node
- or a constant of some sort. RELOC indicates whether forming
- the initial value of DECL requires link-time relocations. */
-#define SELECT_SECTION(DECL,RELOC,ALIGN) \
-{ \
- if (TREE_CODE (DECL) == STRING_CST) \
- { \
- if (! flag_writable_strings) \
- const_section (); \
- else \
- data_section (); \
- } \
- else if (TREE_CODE (DECL) == VAR_DECL) \
- { \
- if ((flag_pic && RELOC) \
- || !TREE_READONLY (DECL) || TREE_SIDE_EFFECTS (DECL) \
- || !DECL_INITIAL (DECL) \
- || (DECL_INITIAL (DECL) != error_mark_node \
- && !TREE_CONSTANT (DECL_INITIAL (DECL)))) \
- data_section (); \
- else \
- const_section (); \
- } \
- else \
- const_section (); \
-}
-
-#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
-#define UNIQUE_SECTION(DECL, RELOC) \
- do \
- { \
- int len; \
- char * name; \
- char * string; \
- char * prefix; \
- \
- name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
- \
- if (! DECL_ONE_ONLY (DECL)) \
- { \
- prefix = "."; \
- if (TREE_CODE (DECL) == FUNCTION_DECL) \
- prefix = ".text."; \
- else if (DECL_READONLY_SECTION (DECL, RELOC)) \
- prefix = ".rodata."; \
- else \
- prefix = ".data."; \
- } \
- else if (TREE_CODE (DECL) == FUNCTION_DECL) \
- prefix = ".gnu.linkonce.t."; \
- else if (DECL_READONLY_SECTION (DECL, RELOC)) \
- prefix = ".gnu.linkonce.r."; \
- else \
- prefix = ".gnu.linkonce.d."; \
- \
- len = strlen (name) + strlen (prefix); \
- string = alloca (len + 1); \
- sprintf (string, "%s%s", prefix, name); \
- \
- DECL_SECTION_NAME (DECL) = build_string (len, string); \
- } \
- while (0)
-
-/* A C statement or statements to switch to the appropriate
- section for output of RTX in mode MODE. RTX is some kind
- of constant in RTL. The argument MODE is redundant except
- in the case of a `const_int' rtx. Currently, these always
- go into the const section. */
-#define SELECT_RTX_SECTION(MODE,RTX,ALIGN) const_section ()
-
-/* On svr4, we *do* have support for the .init and .fini sections, and we
- can put stuff in there to be executed before and after `main'. We let
- crtstuff.c and other files know this by defining the following symbols.
- The definitions say how to change sections to the .init and .fini
- sections. This is the same for all known svr4 assemblers. */
-#define INIT_SECTION_ASM_OP "\t.section\t.init"
-#define FINI_SECTION_ASM_OP "\t.section\t.fini"
-
-
-/* This is how we tell the assembler that a symbol is weak. */
-#define ASM_WEAKEN_LABEL(FILE,NAME) \
- do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
- fputc ('\n', FILE); } while (0)
-
/* This is how we tell the assembler that two symbols have the same value. */
-
-#define ASM_OUTPUT_DEF(FILE,NAME1,NAME2) \
- do { assemble_name (FILE, NAME1); \
- fputs (" = ", FILE); \
- assemble_name (FILE, NAME2); \
- fputc ('\n', FILE); } while (0)
-
-/* Make DWARF2 an option, but keep DBX as the default for now.
- Use -gdwarf-2 to turn on DWARF2. */
-#define DWARF2_DEBUGGING_INFO
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
-/* Get the standard ELF stabs definitions. */
-#include "dbxelf.h"
-
-#include "arm/elf.h"
-#include "arm/linux-gas.h"
+#define ASM_OUTPUT_DEF(FILE, NAME1, NAME2) \
+ do \
+ { \
+ assemble_name (FILE, NAME1); \
+ fputs (" = ", FILE); \
+ assemble_name (FILE, NAME2); \
+ fputc ('\n', FILE); \
+ } \
+ while (0)
/* NWFPE always understands FPA instructions. */
#undef FP_DEFAULT
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-/*
- * We are using GAS, so stabs should work.
- */
+/* This is how we tell the assembler that a symbol is weak.
+ GAS always supports weak symbols. */
-#ifndef DBX_DEBUGGING_INFO
-#define DBX_DEBUGGING_INFO 1
-#endif
-
-/*
- * This is how we tell the assembler that a symbol is weak. GAS always
- * supports weak symbols.
- */
-
-#define ASM_WEAKEN_LABEL(FILE,NAME) \
- do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
- fputc ('\n', FILE); } while (0)
-
-/* This is used in ASM_FILE_START */
+/* This is used in ASM_FILE_START. */
#undef ARM_OS_NAME
#define ARM_OS_NAME "Linux"
/* Definitions for RTEMS based ARM systems using ELF
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
Boston, MA 02111-1307, USA. */
/* Run-time Target Specification. */
+#undef TARGET_VERSION
#define TARGET_VERSION fputs (" (ARM/ELF RTEMS)", stderr);
#define HAS_INIT_SECTION
-#include "unknown-elf.h"
-
-#undef CPP_PREDEFINES
+#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Darm -Darm_elf -Drtems -D__rtems__ -D__ELF__ \
-Asystem(rtems) -Acpu(arm) -Amachine(arm)"
/*#undef INVOKE_main*/
-/* Get machine-independent configuration parameters for RTEMS. */
-#include <rtems.h>
-
#define STARTFILE_SPEC "crt0.o%s"
+#ifndef LIB_SPEC
#define LIB_SPEC "-lc"
+#endif
+#ifndef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC "-D__semi__"
+#endif
+#ifndef LINK_SPEC
#define LINK_SPEC "%{mbig-endian:-EB} -X"
+#endif
#ifndef TARGET_VERSION
#define TARGET_VERSION fputs (" (ARM/semi-hosted)", stderr);
/* Definitions for non-Linux based StrongARM systems using ELF
- Copyright (C) 1999 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2001 Free Software Foundation, Inc.
Contributed by Catherine Moore <clm@cygnus.com>
This file is part of GNU CC.
#define SUBTARGET_CPU_DEFAULT TARGET_CPU_strongarm
#endif
-#include "unknown-elf.h"
# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm610
# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm620
-EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o
+EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
# If EXTRA_MULTILIB_PARTS is not defined above then define EXTRA_PARTS here
-# EXTRA_PARTS = crtbegin.o crtend.o
+# EXTRA_PARTS = crtbegin.o crtend.o crti.o crtn.o
LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib
# or scheduling code that is breaking _fpmul_parts in fp-bit.c.
# Disabling function inlining is a workaround for this problem.
TARGET_LIBGCC2_CFLAGS = -Dinhibit_libc -fno-inline
+
+# Assemble startup files.
+$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
+ $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+ -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm
+
+$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
+ $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+ -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm
MULTILIB_DIRNAMES = le be fpu soft
MULTILIB_EXCEPTIONS =
MULTILIB_MATCHES = mbig-endian=mbe mlittle-endian=mle
-EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o
-
-# If EXTRA_MULTILIB_PARTS is not defined above then define EXTRA_PARTS here
-# EXTRA_PARTS = crtbegin.o crtend.o
+EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib
# or scheduling code that is breaking _fpmul_parts in fp-bit.c.
# Disabling function inlining is a workaround for this problem.
TARGET_LIBGCC2_CFLAGS = -Dinhibit_libc -fno-inline
+
+# Assemble startup files.
+$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
+ $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+ -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm
+
+$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
+ $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+ -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm
MULTILIB_REDUNDANT_DIRS = interwork/thumb=thumb
-EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o
+EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
+
LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib
# or scheduling code that is breaking _fpmul_parts in fp-bit.c.
# Disabling function inlining is a workaround for this problem.
TARGET_LIBGCC2_CFLAGS = -Dinhibit_libc -fno-inline
+
+# Assemble startup files.
+$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
+ $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+ -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm
+
+$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
+ $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+ -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm
/* Definitions for ARM running ucLinux using ELF
- Copyright (C) 1999 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2001 Free Software Foundation, Inc.
Contributed by Philip Blundell <pb@nexus.co.uk>
This file is part of GNU CC.
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#include "arm/linux-elf.h"
-
/* We don't want a PLT. */
#undef NEED_PLT_RELOC
#define NEED_PLT_RELOC 0
Boston, MA 02111-1307, USA. */
/* Run-time Target Specification. */
-#ifndef TARGET_VERSION
+#undef TARGET_VERSION
#define TARGET_VERSION fputs (" (ARM/ELF non-Linux old abi)", stderr);
-#endif
+#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Darm_oabi -Darm -Darm_elf -Acpu=arm -Amachine=arm -D__ELF__"
-#ifndef ASM_SPEC
+#undef ASM_SPEC
#define ASM_SPEC "-moabi %{mbig-endian:-EB} %{mcpu=*:-m%*} %{march=*:-m%*} \
%{mapcs-*:-mapcs-%*} %{mthumb-interwork:-mthumb-interwork}"
-#endif
-/* Now get the routine arm-elf definitions. */
-#include "arm/unknown-elf.h"
-#include "arm/elf.h"
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+/* elfos.h should have already been included. Now just override
+ any conflicting definitions and add any extras. */
+
/* Run-time Target Specification. */
#ifndef TARGET_VERSION
#define TARGET_VERSION fputs (" (ARM/ELF non-Linux)", stderr);
#endif
/* Now we define the strings used to build the spec file. */
-#define STARTFILE_SPEC "crtbegin%O%s crt0%O%s"
-
-#define ENDFILE_SPEC "crtend%O%s"
-
-#define USER_LABEL_PREFIX ""
-#define LOCAL_LABEL_PREFIX "."
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s"
-#define TEXT_SECTION_ASM_OP "\t.text"
-#define INIT_SECTION_ASM_OP "\t.section\t.init"
-#define FINI_SECTION_ASM_OP "\t.section\t.fini"
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "crtend%O%s crtn%O%s"
-#define INVOKE__main
+/* The __USES_INITFINI__ define is tested in newlib/libc/sys/arm/crt0.S
+ to see if it needs to invoked _init() and _fini(). */
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC "-D__ELF__ -D__USES_INITFINI__"
-/* Debugging */
-#define DWARF_DEBUGGING_INFO
-#define DWARF2_DEBUGGING_INFO
+#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
-/* Support for Constructors and Destrcutors . */
-#define READONLY_DATA_SECTION rdata_section
-
-/* A list of other sections which the compiler might be "in" at any
- given time. */
-#define SUBTARGET_EXTRA_SECTIONS in_rdata
-
-/* A list of extra section function definitions. */
-#define SUBTARGET_EXTRA_SECTION_FUNCTIONS RDATA_SECTION_FUNCTION
-
-#define RDATA_SECTION_ASM_OP "\t.section .rodata"
-
-#define RDATA_SECTION_FUNCTION \
-void rdata_section PARAMS ((void)); \
- \
-void \
-rdata_section () \
-{ \
- if (in_section != in_rdata) \
- { \
- fprintf (asm_out_file, "%s\n", RDATA_SECTION_ASM_OP); \
- in_section = in_rdata; \
- } \
-}
-
-/* Switch into a generic section. */
-#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
-
-/* The ARM development system defines __main. */
-#define NAME__MAIN "__gccmain"
-#define SYMBOL__MAIN __gccmain
-
/* Return a non-zero value if DECL has a section attribute. */
#define IN_NAMED_SECTION(DECL) \
((TREE_CODE (DECL) == FUNCTION_DECL || TREE_CODE (DECL) == VAR_DECL) \
&& DECL_SECTION_NAME (DECL) != NULL_TREE)
-#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
-
-#define UNIQUE_SECTION(DECL, RELOC) \
- do \
- { \
- int len; \
- int sec; \
- const char * name; \
- char * string; \
- char * prefix; \
- static char * prefixes[4][2] = \
- { \
- { ".text.", ".gnu.linkonce.t." }, \
- { ".rodata.", ".gnu.linkonce.r." }, \
- { ".data.", ".gnu.linkonce.d." }, \
- { ".bss.", ".gnu.linkonce.b." } \
- }; \
- \
- if (TREE_CODE (DECL) == FUNCTION_DECL) \
- sec = 0; \
- else if (DECL_READONLY_SECTION (DECL, RELOC)) \
- sec = 1; \
- else if (DECL_INITIAL (DECL) == NULL_TREE) \
- sec = 3; \
- else \
- sec = 2; \
- \
- prefix = prefixes[sec][DECL_ONE_ONLY(DECL)]; \
- name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
- \
- /* Strip off any encoding in name. */ \
- STRIP_NAME_ENCODING (name, name); \
- \
- len = strlen (name) + strlen (prefix); \
- string = alloca (len + 1); \
- \
- sprintf (string, "%s%s", prefix, name); \
- \
- DECL_SECTION_NAME (DECL) = build_string (len, string); \
- } \
- while (0)
-
#undef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
do \
#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm7tdmi
#endif
-/* Now get the routine arm-elf definitions. */
-#include "elf.h"
/* Definitions for XScale architectures using ELF
- Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
Contributed by Catherine Moore <clm@cygnus.com>
This file is part of GNU CC.
#define MULTILIB_DEFAULTS \
{ "mlittle-endian", "mno-thumb-interwork", "marm" }
#endif
-
-#include "unknown-elf.h"
projects / platform / upstream / linaro-gcc.git / commitdiff