Add arm26 support to GCC. This is only very slightly tested at present.
This commit is contained in:
bjh21
parent
45b6ec5476
commit
9fe4c9c75f
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@ -210,7 +210,7 @@ case $basic_machine in
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;;
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# Recognize the basic CPU types with company name.
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vax-* | tahoe-* | i[3456]86-* | i860-* | m32r-* | m68k-* | m68000-* \
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| m88k-* | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \
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| m88k-* | sparc-* | ns32k-* | fx80-* | armv2-* | arm-* | c[123]* \
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| mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \
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| none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \
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| hppa-* | hppa1.0-* | hppa1.1-* | alpha-* | we32k-* | cydra-* | ns16k-* \
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@ -1,5 +1,5 @@
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/* Definitions of target machine for GNU compiler, for ARM with a.out
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Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
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Contributed by Richard Earnshaw (rearnsha@armltd.co.uk).
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This file is part of GNU CC.
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@ -24,6 +24,7 @@ Boston, MA 02111-1307, USA. */
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#endif
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/* The text to go at the start of the assembler file */
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#ifndef ASM_FILE_START
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#define ASM_FILE_START(STREAM) \
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{ \
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fprintf (STREAM,"%srfp\t.req\t%sr9\n", REGISTER_PREFIX, REGISTER_PREFIX); \
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@ -34,22 +35,35 @@ Boston, MA 02111-1307, USA. */
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fprintf (STREAM,"%slr\t.req\t%sr14\n", REGISTER_PREFIX, REGISTER_PREFIX); \
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fprintf (STREAM,"%spc\t.req\t%sr15\n", REGISTER_PREFIX, REGISTER_PREFIX); \
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}
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#endif
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#define ASM_APP_ON ""
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#define ASM_APP_OFF ""
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#define ASM_APP_ON ""
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#define ASM_APP_OFF ""
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/* Switch to the text or data segment. */
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#define TEXT_SECTION_ASM_OP ".text"
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#define DATA_SECTION_ASM_OP ".data"
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#define BSS_SECTION_ASM_OP ".bss"
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#define TEXT_SECTION_ASM_OP ".text"
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#define DATA_SECTION_ASM_OP ".data"
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#define BSS_SECTION_ASM_OP ".bss"
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/* Note: If USER_LABEL_PREFIX or LOCAL_LABEL_PREFIX are changed,
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make sure that this change is reflected in the function
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coff_arm_is_local_label_name() in bfd/coff-arm.c */
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#ifndef REGISTER_PREFIX
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#define REGISTER_PREFIX ""
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#endif
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#ifndef USER_LABEL_PREFIX
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#define USER_LABEL_PREFIX "_"
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#endif
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#ifndef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX ""
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#endif
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#define REGISTER_PREFIX ""
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#define USER_LABEL_PREFIX "_"
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#define LOCAL_LABEL_PREFIX ""
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/* The assembler's names for the registers. */
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#ifndef REGISTER_NAMES
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#define REGISTER_NAMES \
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#define REGISTER_NAMES \
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{ \
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
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"r8", "r9", "sl", "fp", "ip", "sp", "lr", "pc", \
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@ -93,7 +107,9 @@ Boston, MA 02111-1307, USA. */
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/* Generate DBX debugging information. riscix.h will undefine this because
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the native assembler does not support stabs. */
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#ifndef DBX_DEBUGGING_INFO
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#define DBX_DEBUGGING_INFO 1
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#endif
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/* Acorn dbx moans about continuation chars, so don't use any. */
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#ifndef DBX_CONTIN_LENGTH
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@ -104,32 +120,45 @@ Boston, MA 02111-1307, USA. */
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``desc'' field is set to compiler version number >= 315 (sic). */
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#define DBX_OUTPUT_MAIN_SOURCE_FILENAME(STREAM,NAME) \
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do { \
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fprintf (STREAM, ".stabs \"%s\",%d,0,315,%s\n", (NAME), N_SO, \
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<ext_label_name[1]); \
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fprintf (STREAM, ".stabs "); \
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output_quoted_string (STREAM, NAME); \
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fprintf (STREAM, ",%d,0,315,%s\n", N_SO, <ext_label_name[1]); \
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text_section (); \
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ASM_OUTPUT_INTERNAL_LABEL (STREAM, "Ltext", 0); \
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} while (0)
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/* Output a function label definition. */
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#define ASM_DECLARE_FUNCTION_NAME(STREAM,NAME,DECL) \
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ASM_OUTPUT_LABEL(STREAM, NAME)
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#ifndef ASM_DECLARE_FUNCTION_NAME
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#define ASM_DECLARE_FUNCTION_NAME(STREAM,NAME,DECL) \
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{ \
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if (TARGET_POKE_FUNCTION_NAME) \
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arm_poke_function_name ((STREAM), (NAME)); \
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ASM_OUTPUT_LABEL (STREAM, NAME); \
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}
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#endif
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#ifndef ASM_OUTPUT_LABEL
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#define ASM_OUTPUT_LABEL(STREAM,NAME) \
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do { \
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assemble_name (STREAM,NAME); \
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fputs (":\n", STREAM); \
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} while (0)
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#endif
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/* Output a globalising directive for a label. */
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#ifndef ASM_GLOBALIZE_LABEL
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#define ASM_GLOBALIZE_LABEL(STREAM,NAME) \
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(fprintf (STREAM, "\t.global\t"), \
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assemble_name (STREAM, NAME), \
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fputc ('\n',STREAM)) \
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fputc ('\n',STREAM))
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#endif
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/* Make an internal label into a string. */
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#ifndef ASM_GENERATE_INTERNAL_LABEL
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#define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \
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sprintf (STRING, "*%s%s%d", LOCAL_LABEL_PREFIX, PREFIX, NUM)
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sprintf (STRING, "*%s%s%u", LOCAL_LABEL_PREFIX, PREFIX, (unsigned int)(NUM))
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#endif
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/* Nothing special is done about jump tables */
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/* #define ASM_OUTPUT_CASE_LABEL(STREAM,PREFIX,NUM,TABLE) */
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/* #define ASM_OUTPUT_CASE_END(STREAM,NUM,TABLE) */
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@ -196,17 +225,18 @@ do { char dstr[30]; \
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output_addr_const (STREAM, (EXP)), \
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fputc ('\n', STREAM))
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#define ASM_OUTPUT_BYTE(STREAM, VALUE) \
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#define ASM_OUTPUT_BYTE(STREAM, VALUE) \
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fprintf (STREAM, "\t.byte\t%d\n", VALUE)
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#define ASM_OUTPUT_ASCII(STREAM, PTR, LEN) \
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output_ascii_pseudo_op ((STREAM), (unsigned char *)(PTR), (LEN))
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/* Output a gap. In fact we fill it with nulls. */
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#define ASM_OUTPUT_SKIP(STREAM, NBYTES) \
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#define ASM_OUTPUT_SKIP(STREAM, NBYTES) \
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fprintf (STREAM, "\t.space\t%d\n", NBYTES)
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/* Align output to a power of two. Horrible /bin/as. */
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#ifndef ASM_OUTPUT_ALIGN
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#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
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do \
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{ \
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@ -216,16 +246,23 @@ do { char dstr[30]; \
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fprintf (STREAM, "\t.even\n"); \
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else if (amount != 1) \
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fprintf (STREAM, "\t.align\t%d\n", amount - 4); \
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} while (0)
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} \
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while (0)
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#endif
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/* Output a common block */
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#ifndef ASM_OUTPUT_COMMON
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#define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED) \
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(fprintf (STREAM, "\t.comm\t"), \
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assemble_name ((STREAM), (NAME)), \
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fprintf(STREAM, ", %d\t%s %d\n", ROUNDED, ASM_COMMENT_START, SIZE))
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fprintf (STREAM, ", %d\t%s %d\n", ROUNDED, ASM_COMMENT_START, SIZE))
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#endif
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/* Output a local common block. /bin/as can't do this, so hack a
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`.space' into the bss segment. Note that this is *bad* practice. */
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`.space' into the bss segment. Note that this is *bad* practice,
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which is guaranteed NOT to work since it doesn't define STATIC
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COMMON space but merely STATIC BSS space. */
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#ifndef ASM_OUTPUT_ALIGNED_LOCAL
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#define ASM_OUTPUT_ALIGNED_LOCAL(STREAM,NAME,SIZE,ALIGN) \
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do { \
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bss_section (); \
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@ -233,27 +270,32 @@ do { char dstr[30]; \
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ASM_OUTPUT_LABEL (STREAM, NAME); \
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fprintf (STREAM, "\t.space\t%d\n", SIZE); \
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} while (0)
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#endif
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/* Output a zero-initialized block. */
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#ifndef ASM_OUTPUT_ALIGNED_BSS
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#define ASM_OUTPUT_ALIGNED_BSS(STREAM,DECL,NAME,SIZE,ALIGN) \
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asm_output_aligned_bss(STREAM, DECL, NAME, SIZE, ALIGN)
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asm_output_aligned_bss (STREAM, DECL, NAME, SIZE, ALIGN)
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#endif
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/* Output a source line for the debugger. */
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/* #define ASM_OUTPUT_SOURCE_LINE(STREAM,LINE) */
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/* Output a #ident directive. */
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#ifndef ASM_OUTPUT_IDENT
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#define ASM_OUTPUT_IDENT(STREAM,STRING) \
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fprintf (STREAM,"- - - ident %s\n",STRING)
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fprintf (STREAM, "%s - - - ident %s\n", ASM_COMMENT_START, STRING)
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#endif
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/* The assembler's parentheses characters. */
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#define ASM_OPEN_PAREN "("
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#define ASM_CLOSE_PAREN ")"
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#define ASM_OPEN_PAREN "("
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#define ASM_CLOSE_PAREN ")"
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#ifndef ASM_COMMENT_START
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#define ASM_COMMENT_START "@"
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#define ASM_COMMENT_START "@"
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#endif
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/* This works for GAS and some other assemblers. */
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#define SET_ASM_OP ".set"
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#define SET_ASM_OP ".set"
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#include "arm/arm.h"
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@ -565,7 +565,9 @@ extern int arm_arch4;
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/* This is for compatibility with ARMCC. ARM SDT Reference Manual
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(ARM DUI 0020D) page 2-20 says "Structures are aligned on word
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boundaries". */
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#ifndef STRUCTURE_SIZE_BOUNDARY
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#define STRUCTURE_SIZE_BOUNDARY 32
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#endif
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/* Non-zero if move instructions will actually fail to work
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when given unaligned data. */
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@ -1825,6 +1827,7 @@ extern int arm_compare_fp;
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goto JUMPTO
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/* Output an internal label definition. */
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#ifndef ASM_OUTPUT_INTERNAL_LABEL
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#define ASM_OUTPUT_INTERNAL_LABEL(STREAM, PREFIX, NUM) \
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do \
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{ \
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@ -1841,6 +1844,7 @@ extern int arm_compare_fp;
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ASM_GENERATE_INTERNAL_LABEL (s, (PREFIX), (NUM)); \
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ASM_OUTPUT_LABEL (STREAM, s); \
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} while (0)
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#endif
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/* Output a push or a pop instruction (only used when profiling). */
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#define ASM_OUTPUT_REG_PUSH(STREAM,REGNO) \
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@ -0,0 +1,391 @@
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/* Definitions of target machine for GNU compiler,
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for ARM with ELF obj format.
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Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
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Contributed by Philip Blundell <philb@gnu.org> and
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Catherine Moore <clm@cygnus.com>
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#define OBJECT_FORMAT_ELF
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#ifndef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX "."
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#endif
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#ifndef USER_LABEL_PREFIX
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#define USER_LABEL_PREFIX ""
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#endif
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#ifndef CPP_PREDEFINES
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#define CPP_PREDEFINES "-Darm -Darm_elf -Acpu(arm) -Amachine(arm) -D__ELF__"
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#endif
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/* The following macro defines the format used to output the second
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operand of the .type assembler directive. Different svr4 assemblers
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expect various different forms for this operand. The one given here
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is just a default. You may need to override it in your machine-
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specific tm.h file (depending upon the particulars of your assembler). */
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#define TYPE_OPERAND_FMT "%s"
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/* Write the extra assembler code needed to declare a function's result.
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Most svr4 assemblers don't require any special declaration of the
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result value, but there are exceptions. */
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#ifndef ASM_DECLARE_RESULT
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#define ASM_DECLARE_RESULT(FILE, RESULT)
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#endif
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/* These macros generate the special .type and .size directives which
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are used to set the corresponding fields of the linker symbol table
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entries in an ELF object file under SVR4. These macros also output
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the starting labels for the relevant functions/objects. */
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#define TYPE_ASM_OP ".type"
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#define SIZE_ASM_OP ".size"
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/* Write the extra assembler code needed to declare a function properly.
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Some svr4 assemblers need to also have something extra said about the
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function's return value. We allow for that here. */
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#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
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do \
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{ \
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if (TARGET_POKE_FUNCTION_NAME) \
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arm_poke_function_name (FILE, NAME); \
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fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
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assemble_name (FILE, NAME); \
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putc (',', FILE); \
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fprintf (FILE, TYPE_OPERAND_FMT, "function"); \
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putc ('\n', FILE); \
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ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
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ASM_OUTPUT_LABEL(FILE, NAME); \
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} \
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while (0)
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/* Write the extra assembler code needed to declare an object properly. */
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#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
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do { \
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fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
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assemble_name (FILE, NAME); \
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putc (',', FILE); \
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fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
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putc ('\n', FILE); \
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size_directive_output = 0; \
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if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \
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{ \
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size_directive_output = 1; \
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fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
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assemble_name (FILE, NAME); \
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putc (',', FILE); \
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fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \
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int_size_in_bytes (TREE_TYPE (DECL))); \
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fputc ('\n', FILE); \
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} \
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ASM_OUTPUT_LABEL(FILE, NAME); \
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} while (0)
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/* Output the size directive for a decl in rest_of_decl_compilation
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in the case where we did not do so before the initializer.
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Once we find the error_mark_node, we know that the value of
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size_directive_output was set
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by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */
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#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
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do { \
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char * name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
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if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \
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&& ! AT_END && TOP_LEVEL \
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&& DECL_INITIAL (DECL) == error_mark_node \
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&& !size_directive_output) \
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{ \
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size_directive_output = 1; \
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fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
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assemble_name (FILE, name); \
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putc (',', FILE); \
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fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \
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int_size_in_bytes (TREE_TYPE (DECL))); \
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fputc ('\n', FILE); \
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} \
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} while (0)
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/* This is how to declare the size of a function. */
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#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
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do { \
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if (!flag_inhibit_size_directive) \
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{ \
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char label[256]; \
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static int labelno; \
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labelno ++; \
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ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \
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ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \
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fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
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assemble_name (FILE, (FNAME)); \
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fprintf (FILE, ","); \
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assemble_name (FILE, label); \
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fprintf (FILE, "-"); \
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assemble_name (FILE, (FNAME)); \
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putc ('\n', FILE); \
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} \
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} while (0)
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/* Define this macro if jump tables (for `tablejump' insns) should be
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output in the text section, along with the assembler instructions.
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Otherwise, the readonly data section is used. */
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#define JUMP_TABLES_IN_TEXT_SECTION 1
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#ifndef ASM_SPEC
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#define ASM_SPEC "%{mbig-endian:-EB} %{mcpu=*:-m%*} %{march=*:-m%*} \
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%{mapcs-*:-mapcs-%*} %{mthumb-interwork:-mthumb-interwork} %{mapcs-float:mfloat}"
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#endif
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#ifndef LINK_SPEC
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#define LINK_SPEC "%{mbig-endian:-EB} -X"
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#endif
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/* Run-time Target Specification. */
|
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#ifndef TARGET_VERSION
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#define TARGET_VERSION fputs (" (ARM/elf)", stderr)
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#endif
|
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#ifndef TARGET_DEFAULT
|
||||
#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32)
|
||||
#endif
|
||||
|
||||
#ifndef MULTILIB_DEFAULTS
|
||||
#define MULTILIB_DEFAULTS { "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork" }
|
||||
#endif
|
||||
|
||||
/* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS
|
||||
is a valid machine specific attribute for DECL.
|
||||
The attributes in ATTRIBUTES have previously been assigned to DECL. */
|
||||
#define VALID_MACHINE_DECL_ATTRIBUTE(DECL, ATTRIBUTES, IDENTIFIER, ARGS) \
|
||||
arm_valid_machine_decl_attribute (DECL, IDENTIFIER, ARGS)
|
||||
|
||||
|
||||
/* A C statement to output assembler commands which will identify the
|
||||
object file as having been compiled with GNU CC (or another GNU
|
||||
compiler). */
|
||||
/* Define this to NULL so we don't get anything.
|
||||
We have ASM_IDENTIFY_LANGUAGE.
|
||||
Also, when using stabs, gcc2_compiled must be a stabs entry, not an
|
||||
ordinary symbol, or gdb won't see it. The stabs entry must be
|
||||
before the N_SO in order for gdb to find it. */
|
||||
#ifndef ASM_IDENTIFY_GCC
|
||||
#define ASM_IDENTIFY_GCC(STREAM) \
|
||||
fprintf (STREAM, "%sgcc2_compiled.:\n", LOCAL_LABEL_PREFIX )
|
||||
#endif
|
||||
|
||||
/* This outputs a lot of .req's to define alias for various registers.
|
||||
Let's try to avoid this. */
|
||||
#ifndef ASM_FILE_START
|
||||
#define ASM_FILE_START(STREAM) \
|
||||
do { \
|
||||
extern char * version_string; \
|
||||
fprintf (STREAM, "%s Generated by gcc %s for ARM/elf\n", \
|
||||
ASM_COMMENT_START, version_string); \
|
||||
output_file_directive ((STREAM), main_input_filename); \
|
||||
} while (0)
|
||||
#endif
|
||||
|
||||
/* Output an internal label definition. */
|
||||
#ifndef ASM_OUTPUT_INTERNAL_LABEL
|
||||
#define ASM_OUTPUT_INTERNAL_LABEL(STREAM, PREFIX, NUM) \
|
||||
do \
|
||||
{ \
|
||||
char * s = (char *) alloca (40 + strlen (PREFIX)); \
|
||||
extern int arm_target_label, arm_ccfsm_state; \
|
||||
extern rtx arm_target_insn; \
|
||||
\
|
||||
if (arm_ccfsm_state == 3 && arm_target_label == (NUM) \
|
||||
&& !strcmp (PREFIX, "L")) \
|
||||
{ \
|
||||
arm_ccfsm_state = 0; \
|
||||
arm_target_insn = NULL; \
|
||||
} \
|
||||
ASM_GENERATE_INTERNAL_LABEL (s, (PREFIX), (NUM)); \
|
||||
ASM_OUTPUT_LABEL (STREAM, s); \
|
||||
} while (0)
|
||||
#endif
|
||||
|
||||
/* Support the ctors/dtors and other sections. */
|
||||
|
||||
/* Define the pseudo-ops used to switch to the .ctors and .dtors sections.
|
||||
|
||||
Note that we want to give these sections the SHF_WRITE attribute
|
||||
because these sections will actually contain data (i.e. tables of
|
||||
addresses of functions in the current root executable or shared library
|
||||
file) and, in the case of a shared library, the relocatable addresses
|
||||
will have to be properly resolved/relocated (and then written into) by
|
||||
the dynamic linker when it actually attaches the given shared library
|
||||
to the executing process. (Note that on SVR4, you may wish to use the
|
||||
`-z text' option to the ELF linker, when building a shared library, as
|
||||
an additional check that you are doing everything right. But if you do
|
||||
use the `-z text' option when building a shared library, you will get
|
||||
errors unless the .ctors and .dtors sections are marked as writable
|
||||
via the SHF_WRITE attribute.) */
|
||||
#ifndef CTORS_SECTION_ASM_OP
|
||||
#define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"aw\""
|
||||
#endif
|
||||
|
||||
#ifndef DTORS_SECTION_ASM_OP
|
||||
#define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"aw\""
|
||||
#endif
|
||||
|
||||
/* 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 in_ctors, in_dtors
|
||||
#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 \
|
||||
CTORS_SECTION_FUNCTION \
|
||||
DTORS_SECTION_FUNCTION
|
||||
#endif
|
||||
|
||||
#ifndef CTORS_SECTION_FUNCTION
|
||||
#define CTORS_SECTION_FUNCTION \
|
||||
void \
|
||||
ctors_section () \
|
||||
{ \
|
||||
if (in_section != in_ctors) \
|
||||
{ \
|
||||
fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
|
||||
in_section = in_ctors; \
|
||||
} \
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifndef DTORS_SECTION_FUNCTION
|
||||
#define DTORS_SECTION_FUNCTION \
|
||||
void \
|
||||
dtors_section () \
|
||||
{ \
|
||||
if (in_section != in_dtors) \
|
||||
{ \
|
||||
fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
|
||||
in_section = in_dtors; \
|
||||
} \
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Switch into a generic section.
|
||||
This is currently only used to support section attributes. */
|
||||
#ifndef ASM_OUTPUT_SECTION_NAME
|
||||
#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC) \
|
||||
do { \
|
||||
static struct section_info \
|
||||
{ \
|
||||
struct section_info *next; \
|
||||
char *name; \
|
||||
enum sect_enum {SECT_RW, SECT_RO, SECT_EXEC} type; \
|
||||
} *sections; \
|
||||
struct section_info *s; \
|
||||
char *mode; \
|
||||
enum sect_enum type; \
|
||||
\
|
||||
for (s = sections; s; s = s->next) \
|
||||
if (!strcmp (NAME, s->name)) \
|
||||
break; \
|
||||
\
|
||||
if (DECL && TREE_CODE (DECL) == FUNCTION_DECL) \
|
||||
type = SECT_EXEC, mode = "ax"; \
|
||||
else if (DECL && DECL_READONLY_SECTION (DECL, RELOC)) \
|
||||
type = SECT_RO, mode = "a"; \
|
||||
else \
|
||||
type = SECT_RW, mode = "aw"; \
|
||||
\
|
||||
if (s == 0) \
|
||||
{ \
|
||||
s = (struct section_info *) xmalloc (sizeof (struct section_info)); \
|
||||
s->name = xmalloc ((strlen (NAME) + 1) * sizeof (*NAME)); \
|
||||
strcpy (s->name, NAME); \
|
||||
s->type = type; \
|
||||
s->next = sections; \
|
||||
sections = s; \
|
||||
fprintf (FILE, ".section\t%s,\"%s\",@progbits\n", NAME, mode); \
|
||||
} \
|
||||
else \
|
||||
{ \
|
||||
if (DECL && s->type != type) \
|
||||
error_with_decl (DECL, "%s causes a section type conflict"); \
|
||||
\
|
||||
fprintf (FILE, ".section\t%s\n", NAME); \
|
||||
} \
|
||||
} while (0)
|
||||
#endif
|
||||
|
||||
/* Support the ctors/dtors sections for g++. */
|
||||
#ifndef INT_ASM_OP
|
||||
#define INT_ASM_OP ".word"
|
||||
#endif
|
||||
|
||||
/* A C statement (sans semicolon) to output an element in the table of
|
||||
global constructors. */
|
||||
#ifndef ASM_OUTPUT_CONSTRUCTOR
|
||||
#define ASM_OUTPUT_CONSTRUCTOR(STREAM,NAME) \
|
||||
do { \
|
||||
ctors_section (); \
|
||||
fprintf (STREAM, "\t%s\t ", INT_ASM_OP); \
|
||||
assemble_name (STREAM, NAME); \
|
||||
fprintf (STREAM, "\n"); \
|
||||
} while (0)
|
||||
#endif
|
||||
|
||||
/* A C statement (sans semicolon) to output an element in the table of
|
||||
global destructors. */
|
||||
#ifndef ASM_OUTPUT_DESTRUCTOR
|
||||
#define ASM_OUTPUT_DESTRUCTOR(STREAM,NAME) \
|
||||
do { \
|
||||
dtors_section (); \
|
||||
fprintf (STREAM, "\t%s\t ", INT_ASM_OP); \
|
||||
assemble_name (STREAM, NAME); \
|
||||
fprintf (STREAM, "\n"); \
|
||||
} while (0)
|
||||
#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)
|
||||
|
||||
/* For PIC code we need to explicitly specify (PLT) and (GOT) relocs. */
|
||||
#define NEED_PLT_GOT flag_pic
|
||||
|
||||
/* The ELF assembler handles GOT addressing differently to NetBSD. */
|
||||
#define GOT_PCREL 0
|
||||
|
||||
/* Biggest alignment supported by the object file format of this
|
||||
machine. Use this macro to limit the alignment which can be
|
||||
specified using the `__attribute__ ((aligned (N)))' construct. If
|
||||
not defined, the default value is `BIGGEST_ALIGNMENT'. */
|
||||
#define MAX_OFILE_ALIGNMENT (32768*8)
|
||||
|
||||
/* Align output to a power of two. */
|
||||
#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
|
||||
fprintf (STREAM, "\t.align\t%d\n", POWER)
|
||||
|
||||
#include "arm/aout.h"
|
||||
|
|
@ -0,0 +1,125 @@
|
|||
/* NetBSD/arm (RiscBSD) version.
|
||||
Copyright (C) 1993, 1994, 1997, 1998 Free Software Foundation, Inc.
|
||||
Contributed by Mark Brinicombe (amb@physig.ph.kcl.ac.uk)
|
||||
|
||||
This file is part of GNU CC.
|
||||
|
||||
GNU CC 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.
|
||||
|
||||
GNU CC 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 GNU CC; see the file COPYING. If not, write to
|
||||
the Free Software Foundation, 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* Run-time Target Specification. */
|
||||
#define TARGET_VERSION fputs (" (ARMv2/NetBSD)", stderr);
|
||||
|
||||
/* This is used in ASM_FILE_START. */
|
||||
#define ARM_OS_NAME "NetBSD"
|
||||
|
||||
/* Unsigned chars produces much better code than signed. */
|
||||
#define DEFAULT_SIGNED_CHAR 0
|
||||
|
||||
/*#undef ASM_DECLARE_FUNCTION_NAME*/
|
||||
|
||||
/* ARM3 family default cpu. */
|
||||
#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm3
|
||||
|
||||
/* Default is to use APCS-26 mode. */
|
||||
#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT)
|
||||
|
||||
#include "arm/elf.h"
|
||||
|
||||
/* This gets redefined in config/netbsd.h. */
|
||||
#undef TARGET_MEM_FUNCTIONS
|
||||
|
||||
#include <netbsd.h>
|
||||
|
||||
/* Override standard NetBSD asm spec. What do they know? */
|
||||
#undef ASM_SPEC
|
||||
/* Don't bother telling the assembler the CPU type -- assume the compiler
|
||||
won't generate bogus code and anyone using asm() knows what they're
|
||||
doing. */
|
||||
#define ASM_SPEC "%{mbig-endian:-EB} \
|
||||
%{!mapcs-32:-mapcs-26} %{mapcs-32:-mapcs-32} \
|
||||
%{mapcs-float:-mapcs-float} \
|
||||
%{mthumb-interwork:-mthumb-interwork} \
|
||||
%{fpic:-k} %{fPIC:-k}"
|
||||
|
||||
/* Some defines for CPP.
|
||||
arm26 is the NetBSD port name, so we always define arm26 and __arm26__. */
|
||||
#undef CPP_PREDEFINES
|
||||
#define CPP_PREDEFINES "\
|
||||
-Dunix -Darm26 -D__arm26__ -D__arm__ -D__NetBSD__ -D__ELF__ \
|
||||
-Asystem(unix) -Asystem(NetBSD) -Acpu(arm) -Amachine(arm)"
|
||||
|
||||
/* Define _POSIX_SOURCE if necessary. */
|
||||
#undef CPP_SPEC
|
||||
#define CPP_SPEC "\
|
||||
%(cpp_cpu_arch) %(cpp_apcs_pc) %(cpp_float) %(cpp_endian) \
|
||||
%{posix:-D_POSIX_SOURCE} \
|
||||
"
|
||||
|
||||
/* Because TARGET_DEFAULT sets ARM_FLAG_SOFT_FLOAT */
|
||||
#undef CPP_FLOAT_DEFAULT_SPEC
|
||||
#define CPP_FLOAT_DEFAULT_SPEC "-D__SOFTFP__"
|
||||
|
||||
/* Pass -X to the linker so that it will strip symbols starting with 'L' */
|
||||
#undef LINK_SPEC
|
||||
#define LINK_SPEC \
|
||||
"-X \
|
||||
%{assert*} \
|
||||
%{shared:-shared} \
|
||||
%{!shared: \
|
||||
-dc -dp \
|
||||
%{!nostdlib:%{!r*:%{!e*:-e __start}}} \
|
||||
%{!static: \
|
||||
%{rdynamic:-export-dynamic} \
|
||||
%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
|
||||
%{static:-static}}"
|
||||
|
||||
#undef SIZE_TYPE
|
||||
#define SIZE_TYPE "unsigned int"
|
||||
|
||||
#undef PTRDIFF_TYPE
|
||||
#define PTRDIFF_TYPE "int"
|
||||
|
||||
#undef WCHAR_TYPE
|
||||
#define WCHAR_TYPE "int"
|
||||
|
||||
#undef WCHAR_UNSIGNED
|
||||
#define WCHAR_UNSIGNED 0
|
||||
|
||||
#undef WCHAR_TYPE_SIZE
|
||||
#define WCHAR_TYPE_SIZE 32
|
||||
|
||||
#define HANDLE_SYSV_PRAGMA
|
||||
|
||||
/* We don't have any limit on the length as out debugger is GDB. */
|
||||
#undef DBX_CONTIN_LENGTH
|
||||
|
||||
/* NetBSD does its profiling differently to the Acorn compiler. We
|
||||
don't need a word following the mcount call; and to skip it
|
||||
requires either an assembly stub or use of fomit-frame-pointer when
|
||||
compiling the profiling functions. Since we break Acorn CC
|
||||
compatibility below a little more won't hurt. */
|
||||
|
||||
#undef FUNCTION_PROFILER
|
||||
#define FUNCTION_PROFILER(STREAM,LABELNO) \
|
||||
{ \
|
||||
fprintf(STREAM, "\tmov\t%sip, %slr\n", REGISTER_PREFIX, REGISTER_PREFIX); \
|
||||
fprintf(STREAM, "\tbl\t__mcount\n"); \
|
||||
}
|
||||
|
||||
/* On the ARM `@' introduces a comment, so we must use something else
|
||||
for .type directives. */
|
||||
#undef TYPE_OPERAND_FMT
|
||||
#define TYPE_OPERAND_FMT "%%%s"
|
||||
|
|
@ -2504,6 +2504,15 @@ for machine in $build $host $target; do
|
|||
tmake_file=arm/t-semiaof
|
||||
fixincludes=Makefile.in # There is nothing to fix
|
||||
;;
|
||||
armv2-*-netbsd*)
|
||||
tm_file=arm/netbsd26.h
|
||||
xm_file=arm/xm-netbsd.h
|
||||
tmake_file=t-netbsd
|
||||
extra_parts="crtbegin.o crtend.o"
|
||||
# On NetBSD, the headers are already okay, except for math.h.
|
||||
fixincludes=fixinc.wrap
|
||||
gas=yes
|
||||
;;
|
||||
arm*-*-netbsd*)
|
||||
tm_file=arm/netbsd.h
|
||||
xm_file=arm/xm-netbsd.h
|
||||
|
|
@ -5455,7 +5464,7 @@ fi
|
|||
|
||||
# Figure out what assembler alignment features are present.
|
||||
echo $ac_n "checking assembler alignment features""... $ac_c" 1>&6
|
||||
echo "configure:5413: checking assembler alignment features" >&5
|
||||
echo "configure:5468: checking assembler alignment features" >&5
|
||||
gcc_cv_as=
|
||||
gcc_cv_as_alignment_features=
|
||||
gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,gcc$,gas,'`
|
||||
|
|
|
|||
|
|
@ -525,6 +525,15 @@ for machine in $build $host $target; do
|
|||
tmake_file=arm/t-semiaof
|
||||
fixincludes=Makefile.in # There is nothing to fix
|
||||
;;
|
||||
armv2-*-netbsd*)
|
||||
tm_file=arm/netbsd26.h
|
||||
xm_file=arm/xm-netbsd.h
|
||||
tmake_file=t-netbsd
|
||||
extra_parts="crtbegin.o crtend.o"
|
||||
# On NetBSD, the headers are already okay, except for math.h.
|
||||
fixincludes=fixinc.wrap
|
||||
gas=yes
|
||||
;;
|
||||
arm*-*-netbsd*)
|
||||
tm_file=arm/netbsd.h
|
||||
xm_file=arm/xm-netbsd.h
|
||||
|
|
|
|||
|
|
@ -0,0 +1,3 @@
|
|||
/* $NetBSD: tconfig.h,v 1.1 2000/07/02 12:31:24 bjh21 Exp $ */
|
||||
|
||||
#include "arm/xm-netbsd.h"
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
/* $NetBSD: tm.h,v 1.1 2000/07/02 12:31:24 bjh21 Exp $ */
|
||||
|
||||
#include "arm/netbsd26.h"
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
# $NetBSD: Makefile,v 1.28 1999/10/09 16:11:16 sommerfeld Exp $
|
||||
# $NetBSD: Makefile,v 1.29 2000/07/02 12:31:25 bjh21 Exp $
|
||||
|
||||
MKLINKLIB=no
|
||||
MKMAN= no
|
||||
|
|
@ -15,6 +15,9 @@ YHEADER=1
|
|||
GCC_ARCH?= mips
|
||||
.elif (${MACHINE_ARCH} == "sparc64")
|
||||
GCC_ARCH?= sparc
|
||||
# GCC uses "arm", not "armv2" internally.
|
||||
.elif (${MACHINE_ARCH} == "arm26")
|
||||
GCC_ARCH?= arm
|
||||
.else
|
||||
GCC_ARCH?= ${MACHINE_GNU_ARCH}
|
||||
.endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue