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newlib-cygwin/newlib/libc/sys/h8300hms/crt0.S

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import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
; h8/300 and h8/300h start up file.
* libc/sys/h8300hms/setarch.h: New file. * libc/sys/h8300hms/close.S, libc/sys/h8300hms/fstat.S, libc/sys/h8300hms/lseek.S, libc/sys/h8300hms/open.S, libc/sys/h8300hms/read.S, libc/sys/h8300hms/stat.S, libc/sys/h8300hms/write.S, libc/sys/h8300hms/crt0.S: Use it.
2003-06-10 15:44:30 +08:00
#include "setarch.h"
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
#ifdef __H8300__
.section .text
.global _start
_start:
mov.w #_stack,sp
mov.w #_edata,r0
mov.w #_end,r1
2000-08-30 Kazu Hirata <kazu@hxi.com> * libc/sys/h8300hms/crt0.S: Optimize for both speed and code size.
2000-08-31 06:17:17 +08:00
sub.w r2,r2
2003-01-31 Michael Snyder <msnyder@redhat.com> * libc/sys/h8300hms/crt0.S (_start): Change local label from .loop to .Loop, so that ld and gdb will ignore it.
2003-02-01 04:35:24 +08:00
.Loop: mov.w r2,@r0
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
adds #2,r0
cmp r1,r0
2003-01-31 Michael Snyder <msnyder@redhat.com> * libc/sys/h8300hms/crt0.S (_start): Change local label from .loop to .Loop, so that ld and gdb will ignore it.
2003-02-01 04:35:24 +08:00
blo .Loop
2001-09-04 Jason Merrill <jason_merrill@redhat.com> * libc/sys/h8300hms/crt0.S: Support ELF initialization.
2001-09-05 03:05:44 +08:00
#ifdef __ELF__
2001-09-07 Jeff Law <law@redhat.com> * libc/sys/h8300hms/crt0.S: For H8/300H and H8/S, load address of __fini with "mov.l" instead of "mov.w".
2001-09-08 02:21:33 +08:00
mov.l #__fini,r0
2001-09-04 Jason Merrill <jason_merrill@redhat.com> * libc/sys/h8300hms/crt0.S: Support ELF initialization.
2001-09-05 03:05:44 +08:00
jsr @_atexit
2003-03-18 D.Venkatasubramanian <dvenkat@noida.hcltech.com> * libc/include/sys/h8300hms/crt0.S[__SIMULATOR__]: Add commandline support. * configure.host (h8300*-*-*): Added comment regarding -D__SIMULATOR__ flag to support simulator only extensions.
2003-03-19 04:38:04 +08:00
#ifdef __SIMULATOR__
jsr @0xcc
#endif
2001-09-04 Jason Merrill <jason_merrill@redhat.com> * libc/sys/h8300hms/crt0.S: Support ELF initialization.
2001-09-05 03:05:44 +08:00
jsr @__init
#else
2003-03-18 D.Venkatasubramanian <dvenkat@noida.hcltech.com> * libc/include/sys/h8300hms/crt0.S[__SIMULATOR__]: Add commandline support. * configure.host (h8300*-*-*): Added comment regarding -D__SIMULATOR__ flag to support simulator only extensions.
2003-03-19 04:38:04 +08:00
#ifdef __SIMULATOR__
jsr @0xcc
#endif
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
jsr @___main
2001-09-04 Jason Merrill <jason_merrill@redhat.com> * libc/sys/h8300hms/crt0.S: Support ELF initialization.
2001-09-05 03:05:44 +08:00
#endif
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
jsr @_main
jsr @_exit
.section .stack
_stack: .word 1
#endif
#ifdef __H8300H__
.section .text
.global _start
_start:
mov.l #_stack,sp
mov.l #_edata,er0
mov.l #_end,er1
2000-08-30 Kazu Hirata <kazu@hxi.com> * libc/sys/h8300hms/crt0.S: Optimize for both speed and code size.
2000-08-31 06:17:17 +08:00
sub.w r2,r2 ; not sure about alignment requirements
2003-01-31 Michael Snyder <msnyder@redhat.com> * libc/sys/h8300hms/crt0.S (_start): Change local label from .loop to .Loop, so that ld and gdb will ignore it.
2003-02-01 04:35:24 +08:00
.Loop: mov.w r2,@er0 ; playing it safe for now
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
adds #2,er0
cmp.l er1,er0
2003-01-31 Michael Snyder <msnyder@redhat.com> * libc/sys/h8300hms/crt0.S (_start): Change local label from .loop to .Loop, so that ld and gdb will ignore it.
2003-02-01 04:35:24 +08:00
blo .Loop
2001-09-04 Jason Merrill <jason_merrill@redhat.com> * libc/sys/h8300hms/crt0.S: Support ELF initialization.
2001-09-05 03:05:44 +08:00
#ifdef __ELF__
* libc/sys/h8300hms/crt0.S (_start): Fix register sizes in call to atexit().
2003-06-25 02:13:35 +08:00
mov.l #__fini,er0
2001-09-04 Jason Merrill <jason_merrill@redhat.com> * libc/sys/h8300hms/crt0.S: Support ELF initialization.
2001-09-05 03:05:44 +08:00
jsr @_atexit
2003-03-18 D.Venkatasubramanian <dvenkat@noida.hcltech.com> * libc/include/sys/h8300hms/crt0.S[__SIMULATOR__]: Add commandline support. * configure.host (h8300*-*-*): Added comment regarding -D__SIMULATOR__ flag to support simulator only extensions.
2003-03-19 04:38:04 +08:00
#ifdef __SIMULATOR__
jsr @0xcc
#endif
2001-09-04 Jason Merrill <jason_merrill@redhat.com> * libc/sys/h8300hms/crt0.S: Support ELF initialization.
2001-09-05 03:05:44 +08:00
jsr @__init
#else
2003-03-18 D.Venkatasubramanian <dvenkat@noida.hcltech.com> * libc/include/sys/h8300hms/crt0.S[__SIMULATOR__]: Add commandline support. * configure.host (h8300*-*-*): Added comment regarding -D__SIMULATOR__ flag to support simulator only extensions.
2003-03-19 04:38:04 +08:00
#ifdef __SIMULATOR__
jsr @0xcc
#endif
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
jsr @___main
2001-09-04 Jason Merrill <jason_merrill@redhat.com> * libc/sys/h8300hms/crt0.S: Support ELF initialization.
2001-09-05 03:05:44 +08:00
#endif
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
jsr @_main
jsr @_exit
.section .stack
_stack: .long 1
#endif
#ifdef __H8300S__
* libc/sys/h8300hms/setarch.h: New file. * libc/sys/h8300hms/close.S, libc/sys/h8300hms/fstat.S, libc/sys/h8300hms/lseek.S, libc/sys/h8300hms/open.S, libc/sys/h8300hms/read.S, libc/sys/h8300hms/stat.S, libc/sys/h8300hms/write.S, libc/sys/h8300hms/crt0.S: Use it.
2003-06-10 15:44:30 +08:00
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
.section .text
.global _start
_start:
mov.l #_stack,sp
mov.l #_edata,er0
mov.l #_end,er1
2000-08-30 Kazu Hirata <kazu@hxi.com> * libc/sys/h8300hms/crt0.S: Optimize for both speed and code size.
2000-08-31 06:17:17 +08:00
sub.w r2,r2 ; not sure about alignment requirements
2003-01-31 Michael Snyder <msnyder@redhat.com> * libc/sys/h8300hms/crt0.S (_start): Change local label from .loop to .Loop, so that ld and gdb will ignore it.
2003-02-01 04:35:24 +08:00
.Loop: mov.w r2,@er0 ; playing it safe for now
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
adds #2,er0
cmp.l er1,er0
2003-01-31 Michael Snyder <msnyder@redhat.com> * libc/sys/h8300hms/crt0.S (_start): Change local label from .loop to .Loop, so that ld and gdb will ignore it.
2003-02-01 04:35:24 +08:00
blo .Loop
2001-09-04 Jason Merrill <jason_merrill@redhat.com> * libc/sys/h8300hms/crt0.S: Support ELF initialization.
2001-09-05 03:05:44 +08:00
#ifdef __ELF__
* libc/sys/h8300hms/crt0.S (_start): Fix register sizes in call to atexit().
2003-06-25 02:13:35 +08:00
mov.l #__fini,er0
2001-09-04 Jason Merrill <jason_merrill@redhat.com> * libc/sys/h8300hms/crt0.S: Support ELF initialization.
2001-09-05 03:05:44 +08:00
jsr @_atexit
2003-03-18 D.Venkatasubramanian <dvenkat@noida.hcltech.com> * libc/include/sys/h8300hms/crt0.S[__SIMULATOR__]: Add commandline support. * configure.host (h8300*-*-*): Added comment regarding -D__SIMULATOR__ flag to support simulator only extensions.
2003-03-19 04:38:04 +08:00
#ifdef __SIMULATOR__
jsr @0xcc
#endif
2001-09-04 Jason Merrill <jason_merrill@redhat.com> * libc/sys/h8300hms/crt0.S: Support ELF initialization.
2001-09-05 03:05:44 +08:00
jsr @__init
#else
2003-03-18 D.Venkatasubramanian <dvenkat@noida.hcltech.com> * libc/include/sys/h8300hms/crt0.S[__SIMULATOR__]: Add commandline support. * configure.host (h8300*-*-*): Added comment regarding -D__SIMULATOR__ flag to support simulator only extensions.
2003-03-19 04:38:04 +08:00
#ifdef __SIMULATOR__
jsr @0xcc
#endif
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
jsr @___main
2001-09-04 Jason Merrill <jason_merrill@redhat.com> * libc/sys/h8300hms/crt0.S: Support ELF initialization.
2001-09-05 03:05:44 +08:00
#endif
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
jsr @_main
jsr @_exit
.section .stack
_stack: .long 1
#endif