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(ASM_SPEC): Deleted.

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(STRUCT_VALUE_REGNUM): Redefine as register a0.
(STATIC_CHAIN_REGNUM): Redefine as register a1.
(TRAMPOLINE_TEMPLATE): Redefine to use the right register.

From-SVN: r11577
This commit is contained in:
Richard Kenner 1996-03-20 11:28:31 -05:00
parent 7565a035be
commit d649cc9680
1 changed files with 31 additions and 3 deletions
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34
gcc/config/m68k/linux.h
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@ -100,9 +100,6 @@ Boston, MA 02111-1307, USA. */
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE BITS_PER_WORD
#undef ASM_SPEC
#define ASM_SPEC "%{m68030} %{m68040} %{fpic:-k} %{fPIC:-k}"
#define CPP_PREDEFINES \
"-D__ELF__ -Dunix -Dmc68000 -Dmc68020 -Dlinux -Asystem(unix) -Asystem(posix) -Acpu(m68k) -Amachine(m68k)"
@ -199,6 +196,19 @@ Boston, MA 02111-1307, USA. */
fprintf (FILE, "\tjbsr _mcount\n"); \
}
/* 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. */
#undef STRUCT_VALUE_REGNUM
#define STRUCT_VALUE_REGNUM 8
/* Register in which static-chain is passed to a function. The
default in m68k.h is a0, but that is already the struct value
regnum. Make it a1 instead. */
#undef STATIC_CHAIN_REGNUM
#define STATIC_CHAIN_REGNUM 9
/* How to renumber registers for dbx and gdb.
On the Sun-3, the floating point registers have numbers
18 to 25, not 16 to 23 as they do in the compiler. */
@ -292,3 +302,21 @@ do { \
technique. */
#undef PCC_STATIC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN 0
/* Output assembler code for a block containing the constant parts
of a trampoline, leaving space for the variable parts. */
/* On m68k svr4, the trampoline is different from the generic version
in that we use a1 as the static call chain. */
#undef TRAMPOLINE_TEMPLATE
#define TRAMPOLINE_TEMPLATE(FILE) \
{ \
ASM_OUTPUT_SHORT (FILE, gen_rtx (CONST_INT, VOIDmode, 0x207b)); \
ASM_OUTPUT_SHORT (FILE, gen_rtx (CONST_INT, VOIDmode, 8)); \
ASM_OUTPUT_SHORT (FILE, gen_rtx (CONST_INT, VOIDmode, 0x2f3a)); \
ASM_OUTPUT_SHORT (FILE, gen_rtx (CONST_INT, VOIDmode, 8)); \
ASM_OUTPUT_SHORT (FILE, gen_rtx (CONST_INT, VOIDmode, 0x4e75)); \
ASM_OUTPUT_INT (FILE, const0_rtx); \
ASM_OUTPUT_INT (FILE, const0_rtx); \
}