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From-SVN: r856
This commit is contained in:
Richard Kenner 1992-04-28 22:07:20 -04:00
parent 5cccf78f37
commit cb6409c1c5
1 changed files with 70 additions and 2 deletions
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72
gcc/config/m68k/tower-as.h
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@ -30,7 +30,15 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "tower.h"
#undef SELECT_RTX_SECTION
/* Use default settings for system V.3. */
#include "svr3.h"
/* Names to predefine in the preprocessor for this target machine. */
#define CPP_PREDEFINES "-Dunix -Dtower32 -Dtower32_600"
/* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
This will control the use of inline 68881 insns in certain macros.
@ -43,7 +51,8 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define STARTFILE_SPEC \
"%{p:%{m68881:/usr/lib/fp/mcrt1.o}%{!m68881:/lib/mcrt1.o}} \
%{!p:%{m68881:/usr/lib/fp/crt1.o}%{!m68881:/lib/crt1.o}}"
%{!p:%{m68881:/usr/lib/fp/crt1.o}%{!m68881:/lib/crt1.o}} \
crtbegin.o%s"
/* These four macros control how m68k.md is expanded. */
@ -64,13 +73,20 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* All the ASM_OUTPUT macros need to conform to the Tower as syntax. */
#define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
fprintf (FILE, "\tfile\t\"%s\"\n", FILENAME)
do { \
fprintf (FILE, "\tfile\t\"%s\"\n", FILENAME); \
fprintf (FILE, "section ~init,\"x\"\n"); \
fprintf (FILE, "section ~fini,\"x\"\n"); \
fprintf (FILE, "section ~rodata,\"x\"\n"); \
fprintf (FILE, "text\n"); \
} while (0)
#define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \
fprintf (FILE, "\tln\t%d\n", \
(sdb_begin_function_line \
? last_linenum - sdb_begin_function_line : 1))
#undef ASM_OUTPUT_IDENT
#define ASM_OUTPUT_IDENT(FILE, NAME) \
fprintf (FILE, "\tident\t\"%s\" \n", NAME)
@ -586,3 +602,55 @@ do { fprintf (asm_out_file, "\ttag\t"); \
#define SDB_GENERATE_FAKE(BUFFER, NUMBER) \
sprintf ((BUFFER), "~%dfake", (NUMBER));
#define NO_DOLLAR_IN_LABEL
#define NO_DOT_IN_LABEL
/* Define a few machine-specific details
of the implementation of constructors.
The __CTORS_LIST__ goes in the .init section. Define CTOR_LIST_BEGIN
and CTOR_LIST_END to contribute to the .init section an instruction to
push a word containing 0 (or some equivalent of that).
ASM_OUTPUT_CONSTRUCTOR should be defined
to push the address of the constructor. */
#define ASM_LONG "\tlong"
#undef INIT_SECTION_ASM_OP
#define INIT_SECTION_ASM_OP "section\t~init"
#undef FINI_SECTION_ASM_OP
#define FINI_SECTION_ASM_OP "section\t~fini"
#undef CONST_SECTION_ASM_OP
#define CONST_SECTION_ASM_OP "section\t~rodata"
#define CTOR_LIST_BEGIN \
asm (INIT_SECTION_ASM_OP); \
asm ("clr.l -(%sp)")
#define CTOR_LIST_END CTOR_LIST_BEGIN
#define BSS_SECTION_ASM_OP "section\t~bss"
#define BSS_SECTION_FUNCTION \
void \
bss_section () \
{ \
if (in_section != in_bss) \
{ \
fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP); \
in_section = in_bss; \
} \
}
#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
do { \
init_section (); \
fprintf (FILE, "\tmov.l &"); \
assemble_name (FILE, NAME); \
fprintf (FILE, ",-(%%sp)\n"); \
} while (0)
/* We do not want leading underscores. */
#undef ASM_OUTPUT_LABELREF
#define ASM_OUTPUT_LABELREF(FILE,NAME) \
fprintf (FILE, "%s", NAME)