/* m68kelf support, derived from m68kv4.h */
/* Target definitions for GNU compiler for mc680x0 running System V.4
- Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1993, 2000, 2002 Free Software Foundation, Inc.
Written by Ron Guilmette (rfg@netcom.com) and Fred Fish (fnf@cygnus.com).
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-/* #notinclude "m68k/sgs.h" /* The m68k/SVR4 assembler is SGS based */
+/* #notinclude "m68k/sgs.h" / * The m68k/SVR4 assembler is SGS based */
/* These are necessary for -fpic/-fPIC to work correctly. */
#ifndef MOTOROLA
#define MOTOROLA /* Use MOTOROLA syntax. */
#endif
-#ifdef USE_GAS /* when present, forces jsbr instead of jsr. */
-#undef USE_GAS
+#ifndef USE_GAS /* forces jsbr instead of jsr. */
+#define USE_GAS
#endif
#ifndef SWBEG_ASM_OP
-#define SWBEG_ASM_OP ".swbeg"
+#define SWBEG_ASM_OP "\t.swbeg\t"
#endif
/* Here are four prefixes that are used by asm_fprintf to
#define REGISTER_PREFIX "%"
/* The prefix for local (compiler generated) labels.
- These labels will not appear in the symbol table. */
+ These labels will not appear in the symbol table. */
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
-/* The prefix to add to user-visible assembler symbols. */
+/* The prefix to add to user-visible assembler symbols. */
#undef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX ""
/* config/m68k.md has an explicit reference to the program counter,
prefix this by the register prefix. */
-#define ASM_RETURN_CASE_JUMP \
- do { \
- if (TARGET_5200) \
- return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
- else \
- return "jmp %%pc@(2,%0:w)"; \
+#define ASM_RETURN_CASE_JUMP \
+ do { \
+ if (TARGET_COLDFIRE) \
+ { \
+ if (ADDRESS_REG_P (operands[0])) \
+ return "jmp %%pc@(2,%0:l)"; \
+ else \
+ return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
+ } \
+ else \
+ return "jmp %%pc@(2,%0:w)"; \
} while (0)
/* How to refer to registers in assembler output.
#undef ASM_OUTPUT_ALIGN
#define ASM_OUTPUT_ALIGN(FILE,LOG) \
+do { \
if ((LOG) > 0) \
- fprintf ((FILE), "\t%s \t%u\n", ALIGN_ASM_OP, 1 << (LOG)); \
+ fprintf ((FILE), "%s%u\n", ALIGN_ASM_OP, 1 << (LOG)); \
else if ((LOG) > 31) \
- abort ();
+ abort (); \
+} while (0)
/* Use proper assembler syntax for these macros. */
#undef ASM_OUTPUT_REG_PUSH
g++ assembler names. When this is defined, g++ uses embedded '.'
characters and some m68k assemblers have problems with this. The
chances are much greater that any particular assembler will permit
- embedded '$' characters. */
+ embedded '$' characters. */
#undef NO_DOLLAR_IN_LABEL
than ".bss", so override the definition in svr4.h */
#undef BSS_ASM_OP
-#define BSS_ASM_OP ".lcomm"
+#define BSS_ASM_OP "\t.lcomm\t"
/* Register in which address to store a structure value is passed to a
- function. The default in m68k.h is a1. For m68k/SVR4 it is a0. */
+ function. The default in m68k.h is a1. For m68k/SVR4 it is a0. */
#undef STRUCT_VALUE_REGNUM
#define STRUCT_VALUE_REGNUM 8
#define ASM_COMMENT_START "|"
-#undef TYPE_OPERAND_FMT
-#define TYPE_OPERAND_FMT "@%s"
-
/* Define how the m68k registers should be numbered for Dwarf output.
The numbering provided here should be compatible with the native
SVR4 SDB debugger in the m68k/SVR4 reference port, where d0-d7
- are 0-7, a0-a8 are 8-15, and fp0-fp7 are 16-23. */
+ are 0-7, a0-a8 are 8-15, and fp0-fp7 are 16-23. */
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
It is then overridden by m68k/sgs.h to use ".space", and again by svr4.h
to use ".zero". The m68k/SVR4 assembler uses ".space", so repeat the
definition from m68k/sgs.h here. Note that ASM_NO_SKIP_IN_TEXT is
- defined in m68k/sgs.h, so we don't have to repeat it here. */
+ defined in m68k/sgs.h, so we don't have to repeat it here. */
#undef ASM_OUTPUT_SKIP
#define ASM_OUTPUT_SKIP(FILE,SIZE) \
- fprintf (FILE, "\t%s %u\n", SPACE_ASM_OP, (SIZE))
+ fprintf (FILE, "%s%u\n", SPACE_ASM_OP, (int)(SIZE))
#if 0
/* SVR4 m68k assembler is bitching on the `comm i,1,1' which askes for
1 byte alignment. Don't generate alignment for COMMON seems to be
- safer until we the assembler is fixed. */
+ safer until we the assembler is fixed. */
#undef ASM_OUTPUT_ALIGNED_COMMON
/* Same problem with this one. */
#undef ASM_OUTPUT_ALIGNED_LOCAL
/* The `string' directive on m68k svr4 does not handle string with
escape char (ie., `\') right. Use normal way to output ASCII bytes
- seems to be safer. */
+ seems to be safer. */
#undef ASM_OUTPUT_ASCII
#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
do { \
- register int sp = 0, lp = 0, ch; \
- fprintf ((FILE), "\t%s ", BYTE_ASM_OP); \
+ register int sp = 0, ch; \
+ fputs (integer_asm_op (1, TRUE), (FILE)); \
do { \
ch = (PTR)[sp]; \
if (ch > ' ' && ! (ch & 0x80) && ch != '\\') \
{ \
if ((sp % 10) == 0) \
{ \
- fprintf ((FILE), "\n\t%s ", BYTE_ASM_OP); \
+ fprintf ((FILE), "\n%s", integer_asm_op (1, TRUE)); \
} \
else \
{ \
#define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \
do { \
if (switch_table_difference_label_flag) \
- asm_fprintf ((FILE), "\t%s %LLD%d,%LL%d\n", SET_ASM_OP, (NUM), (NUM));\
+ asm_fprintf ((FILE), "%s%LLD%d,%LL%d\n", SET_ASM_OP, (NUM), (NUM)); \
switch_table_difference_label_flag = 0; \
} while (0)
#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
( fputs (".comm ", (FILE)), \
assemble_name ((FILE), (NAME)), \
- fprintf ((FILE), ",%u\n", (SIZE)))
+ fprintf ((FILE), ",%u\n", (int)(SIZE)))
#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
( fputs (".lcomm ", (FILE)), \
assemble_name ((FILE), (NAME)), \
- fprintf ((FILE), ",%u\n", (SIZE)))
+ fprintf ((FILE), ",%u\n", (int)(SIZE)))
/* Currently, JUMP_TABLES_IN_TEXT_SECTION must be defined in order to
- keep switch tables in the text section. */
+ keep switch tables in the text section. */
#define JUMP_TABLES_IN_TEXT_SECTION 1
/* Override the definition in svr4.h. In m68k svr4, using swbeg is the
- standard way to do switch table. */
+ standard way to do switch table. */
#undef ASM_OUTPUT_BEFORE_CASE_LABEL
#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
- fprintf ((FILE), "\t%s &%d\n", SWBEG_ASM_OP, XVECLEN (PATTERN (TABLE), 1));
-
-/* In m68k svr4, a symbol_ref rtx can be a valid PIC operand if it is an
- operand of a function call. */
-#undef LEGITIMATE_PIC_OPERAND_P
-#define LEGITIMATE_PIC_OPERAND_P(X) \
- (! symbolic_operand (X, VOIDmode) \
- || ((GET_CODE(X) == SYMBOL_REF) && SYMBOL_REF_FLAG(X)))
-
-/* Turn off function cse if we are doing PIC. We always want function call
- to be done as `bsr foo@PLTPC', so it will force the assembler to create
- the PLT entry for `foo'. Doing function cse will cause the address of `foo'
- to be loaded into a register, which is exactly what we want to avoid when
- we are doing PIC on svr4 m68k. */
-#undef OVERRIDE_OPTIONS
-#define OVERRIDE_OPTIONS \
-{ \
- if (flag_pic) flag_no_function_cse = 1; \
- if (! TARGET_68020 && flag_pic == 2) \
- error("-fPIC is not currently supported on the 68000 or 68010\n"); \
-}
+ fprintf ((FILE), "%s&%d\n", SWBEG_ASM_OP, XVECLEN (PATTERN (TABLE), 1));
/* end of stuff from m68kv4.h */
#undef SGS_CMP_ORDER
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "crtbegin.o%s"
+
+/* If defined, a C expression whose value is a string containing the
+ assembler operation to identify the following data as
+ uninitialized global data. If not defined, and neither
+ `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
+ uninitialized global data will be output in the data section if
+ `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
+ used. */
+#ifndef BSS_SECTION_ASM_OP
+#define BSS_SECTION_ASM_OP "\t.section\t.bss"
+#endif
+
+/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
+ separate, explicit argument. If you define this macro, it is used
+ in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
+ handling the required alignment of the variable. The alignment is
+ specified as the number of bits.
+
+ Try to use function `asm_output_aligned_bss' defined in file
+ `varasm.c' when defining this macro. */
+#ifndef ASM_OUTPUT_ALIGNED_BSS
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+ asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
+#endif