aboutsummaryrefslogtreecommitdiff
path: root/gcc/config/m68k
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/config/m68k')
-rw-r--r--gcc/config/m68k/m68k.h6
-rw-r--r--gcc/config/m68k/mot3300-crt0.S27
-rw-r--r--gcc/config/m68k/mot3300.h36
-rw-r--r--gcc/config/m68k/mot3300Mcrt0.S47
-rw-r--r--gcc/config/m68k/xm-mot3300.h4
5 files changed, 52 insertions, 68 deletions
diff --git a/gcc/config/m68k/m68k.h b/gcc/config/m68k/m68k.h
index 486ca781408..654f24c7b57 100644
--- a/gcc/config/m68k/m68k.h
+++ b/gcc/config/m68k/m68k.h
@@ -1223,7 +1223,11 @@ while(0)
/* Emit RTL insns to initialize the variable parts of a trampoline.
FNADDR is an RTX for the address of the function's pure code.
- CXT is an RTX for the static chain value for the function. */
+ CXT is an RTX for the static chain value for the function.
+
+ We generate a two-instructions program at address TRAMP :
+ movea.l &CXT,%a0
+ jmp FNADDR */
#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
{ \
diff --git a/gcc/config/m68k/mot3300-crt0.S b/gcc/config/m68k/mot3300-crt0.S
index e9fc1d463b5..3c1648fe053 100644
--- a/gcc/config/m68k/mot3300-crt0.S
+++ b/gcc/config/m68k/mot3300-crt0.S
@@ -26,7 +26,7 @@ Boston, MA 02111-1307, USA. */
# define FILE(n) file n
# define GLOBAL_SYM(s) global s
# define LOCAL_LABEL(l) L%##l
-# define SECTION(n) section n
+# define IDENT(s) ident s
# define TEXT text
#else /* Assume we are using GNU as. */
# define COMM .comm
@@ -35,8 +35,7 @@ Boston, MA 02111-1307, USA. */
# define FILE(name) .file name
# define GLOBAL_SYM(s) .globl s
# define LOCAL_LABEL(l) .L.##l
-# define SECTION(n) .section n
-# define STRING(s) .asciz s
+# define IDENT(s) .section .comment;.asciz s
# define TEXT .text
#endif
@@ -86,24 +85,14 @@ LOCAL_LABEL(isatty):
trap &0
nop
+ GLOBAL_SYM (__stop_monitor)
+__stop_monitor:
+ rts
EVEN
COMM splimit%,4
COMM environ,4
- COMM mcount,4
- COMM mcount%,4
- COMM monitor,4
-
-#ifdef STRING
- SECTION (.comment)
- STRING ("$Id: mot3300-crt0.S,v 1.1 1997/08/11 15:57:32 law Exp $\n")
- STRING ("Contributed by manfred@lts.sel.alcatel.de (Manfred Hollstein, Germany)\n")
-#else
- byte 'C,'o,'n,'t,'r,'i,'b,'u,'t,'e,'d,' ,'b,'y
- byte ' ,'m,'a,'n,'f,'r,'e,'d,'@,'l,'t,'s,'.,'s
- byte 'e,'l,'.,'a,'l,'c,'a,'t,'e,'l,'.,'d,'e,'
- byte '(,'M,'a,'n,'f,'r,'e,'d,' ,'H,'o,'l,'l,'s
- byte 't,'e,'i,'n,',,' ,'G,'e,'r,'m,'a,'n,'y,')
- byte 10,0
-#endif
+ IDENT ("$Id: mot3300-crt0.S,v 1.2 1997/12/22 23:41:12 kenner Exp $")
+ IDENT ("Contributed by Manfred Hollstein (manfred@lts.sel.alcatel.de)")
+ IDENT ("Corrections by Philippe De Muyter (phdm@macqel.be)")
diff --git a/gcc/config/m68k/mot3300.h b/gcc/config/m68k/mot3300.h
index f7d35847b26..65c2f476043 100644
--- a/gcc/config/m68k/mot3300.h
+++ b/gcc/config/m68k/mot3300.h
@@ -147,13 +147,8 @@ Boston, MA 02111-1307, USA. */
asm_fprintf (FILE, "\tmov.l %Ra0,%Rd0\n"); }
#undef FUNCTION_PROFILER
-#ifndef USE_GAS
-#define FUNCTION_PROFILER(FILE, LABEL_NO) \
- asm_fprintf (FILE, "\tmov.l %ILP%%%d,%Ra0\n\tjsr mcount%%\n", (LABEL_NO))
-#else /* USE_GAS */
#define FUNCTION_PROFILER(FILE, LABEL_NO) \
- asm_fprintf (FILE, "\tmov.l %I%.LP%d,%Ra0\n\tjsr mcount%%\n", (LABEL_NO))
-#endif /* USE_GAS */
+ asm_fprintf (FILE, "\tmov.l %I%LLP%d,%Ra0\n\tjsr mcount%%\n", (LABEL_NO))
/* This is how to output an insn to push a register on the stack.
It need not be very fast code. */
@@ -356,7 +351,7 @@ dtors_section () \
#undef ASM_BYTE
#define ASM_BYTE ".byte"
#undef ASM_BYTE_OP
-#define ASM_BYTE_OP "\t.byte"
+#define ASM_BYTE_OP ".byte"
#else
#undef ASM_LONG
#define ASM_LONG "long"
@@ -367,7 +362,7 @@ dtors_section () \
#undef ASM_BYTE
#define ASM_BYTE "byte"
#undef ASM_BYTE_OP
-#define ASM_BYTE_OP "\tbyte"
+#define ASM_BYTE_OP "byte"
#endif /* USE_GAS */
/* The sysV68 as doesn't know about double's and float's. */
@@ -476,7 +471,7 @@ do { long l; \
#undef ASM_OUTPUT_ASCII
#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
do { register int sp = 0, lp = 0; \
- fprintf ((FILE), "%s\t", ASM_BYTE_OP); \
+ fprintf ((FILE), "\t%s\t", ASM_BYTE_OP); \
loop: \
if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \
{ lp += 3; \
@@ -797,20 +792,25 @@ do {(CUM).offset = 0;\
#define MATH_LIBRARY "-lm881"
#endif
-/* Currently we do not have the atexit() function;
- * so take that from libgcc2.c
- */
+/* Currently we do not have the atexit() function,
+ so take that from libgcc2.c */
#define NEED_ATEXIT 1
#define HAVE_ATEXIT 1
#define EXIT_BODY \
do \
- { extern void monitor (); \
- extern long mcount asm ("mcount%"); \
- extern long etext; \
- \
- if (&mcount < &etext) \
- monitor (0); \
+ { \
+ __stop_monitor (); \
_cleanup (); \
} while (0)
+
+/* FINALIZE_TRAMPOLINE clears the instruction cache. */
+
+#undef FINALIZE_TRAMPOLINE
+#define FINALIZE_TRAMPOLINE(TRAMP) \
+ if (!TARGET_68040) \
+ ; \
+ else \
+ emit_library_call (gen_rtx (SYMBOL_REF, Pmode, "__clear_insn_cache"), \
+ 0, VOIDmode, 0)
diff --git a/gcc/config/m68k/mot3300Mcrt0.S b/gcc/config/m68k/mot3300Mcrt0.S
index acb317c92fe..3ef6611630c 100644
--- a/gcc/config/m68k/mot3300Mcrt0.S
+++ b/gcc/config/m68k/mot3300Mcrt0.S
@@ -1,5 +1,5 @@
/* The start module mcrt0.s for the SysV68 Motorola 3300 Delta Series.
- Copyright (C) 1996 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
Contributed by Manfred Hollstein (manfred@lts.sel.alcatel.de).
This file is part of GNU CC.
@@ -26,7 +26,7 @@ Boston, MA 02111-1307, USA. */
# define FILE(n) file n
# define GLOBAL_SYM(s) global s
# define LOCAL_LABEL(l) L%##l
-# define SECTION(n) section n
+# define IDENT(s) ident s
# define TEXT text
#else /* Assume we are using GNU as. */
# define COMM .comm
@@ -35,8 +35,7 @@ Boston, MA 02111-1307, USA. */
# define FILE(name) .file name
# define GLOBAL_SYM(s) .globl s
# define LOCAL_LABEL(l) .L.##l
-# define SECTION(n) .section n
-# define STRING(s) .asciz s
+# define IDENT(s) .section .comment;.asciz s
# define TEXT .text
#endif
@@ -110,30 +109,27 @@ LOCAL_LABEL(isatty):
jsr exit
_exit: moveq &1,%d0
trap &0
-
- GLOBAL_SYM (mcount)
- EVEN
-mcount: bra mcount%
+ GLOBAL_SYM (__stop_monitor)
+__stop_monitor:
+ clr.l -(%sp)
+ jsr monitor
+ add.w &4,%sp
+ rts
LOCAL_LABEL(errtxt):
-#ifdef STRING
- STRING ("No space for monitor buffer\n")
-#else
byte 'N,'o,' ,'s,'p,'a,'c,'e,' ,'f,'o,'r,' ,'m,'o,'n
- byte 'i,'t,'o,'r,' ,'b,'u,'f,'f,'e,'r,'\n,0
-#endif
+ byte 'i,'t,'o,'r,' ,'b,'u,'f,'f,'e,'r,'\n
+LOCAL_LABEL(errtxt_end):
EVEN
LOCAL_LABEL(3):
- mov.l &28,-(%sp)
- mov.l &LOCAL_LABEL(errtxt),-(%sp)
- moveq &2,%d0
- mov.l %d0,-(%sp)
+ pea LOCAL_LABEL(errtxt_end)-LOCAL_LABEL(errtxt)
+ pea LOCAL_LABEL(errtxt)(%pc)
+ pea 2
jsr write
bra.b _exit
LOCAL_LABEL(endofstart):
- nop
EVEN
@@ -141,15 +137,6 @@ LOCAL_LABEL(endofstart):
COMM environ,4
COMM _countbase,4
-#ifdef STRING
- SECTION (.comment)
- STRING ("$Id: mot3300Mcrt0.S,v 1.1 1997/08/11 15:57:32 law Exp $\n")
- STRING ("Contributed by manfred@lts.sel.alcatel.de (Manfred Hollstein, Germany)\n")
-#else
- byte 'C,'o,'n,'t,'r,'i,'b,'u,'t,'e,'d,' ,'b,'y
- byte ' ,'m,'a,'n,'f,'r,'e,'d,'@,'l,'t,'s,'.,'s
- byte 'e,'l,'.,'a,'l,'c,'a,'t,'e,'l,'.,'d,'e,'
- byte '(,'M,'a,'n,'f,'r,'e,'d,' ,'H,'o,'l,'l,'s
- byte 't,'e,'i,'n,',,' ,'G,'e,'r,'m,'a,'n,'y,')
- byte 10,0
-#endif
+ IDENT ("$Id: mot3300Mcrt0.S,v 1.2 1997/12/22 23:39:48 kenner Exp $")
+ IDENT ("Contributed by Manfred Hollstein (manfred@lts.sel.alcatel.de)")
+ IDENT ("Corrections by Philippe De Muyter (phdm@macqel.be)")
diff --git a/gcc/config/m68k/xm-mot3300.h b/gcc/config/m68k/xm-mot3300.h
index 8f4c0a46bf9..c61bd293e25 100644
--- a/gcc/config/m68k/xm-mot3300.h
+++ b/gcc/config/m68k/xm-mot3300.h
@@ -40,3 +40,7 @@ extern char *alloca ();
#define __PTR_TO_INT(P) ((int)(P))
#define __INT_TO_PTR(P) ((char *)(P))
+
+/* We need POSIX/XOPEN symbols; otherwise make check will fail. */
+#define ADD_MISSING_POSIX 1
+#define ADD_MISSING_XOPEN 1
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 10:53:08 +0000