libs/newlib-cygwin
libs/newlib-cygwin
4
0
Fork 0
mirror of git://sourceware.org/git/newlib-cygwin.git synced 2025-02-21 00:07:36 +08:00
Code Issues Projects Releases Wiki Activity

* rl78/crt0.S: Initialize .saddr. Avoid using SEL.

Browse Source 
* rl78/rl78-sim.ld: Add .saddr/.frodata section.
* rl78/rl78.ld: Likewise.
* rl78/rl78-sim.ld: Make room for virtual register banks.
* rl78/rl78.ld: Likewise.

* rl78/vregs.h: New.
* rl78-sys.h: Use it.
* rl78/swrite.S: New.
* rl78/Makefile.in: Build it.
* rl78/write.c: Use it.
This commit is contained in:
DJ Delorie 2015-01-20 18:43:36 +00:00
parent ae8a802c29
commit a098aad30b
2 changed files with 97 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
libgloss/rl78/swrite.S Normal file
View File

@ -0,0 +1,41 @@
/*
Copyright (c) 2011 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "rl78-sys.h"
.global __SYS_write
.type __SYS_write, @function
__SYS_write:
SYSCALL(SYS_write)
.size __SYS_write, . - __SYS_write

56
libgloss/rl78/vregs.h Normal file
View File

@ -0,0 +1,56 @@
; real
; GAS defines r0..r7 as aliases for real registers; we want the saddr
; forms here.
r_0 = 0xffef8
r_1 = 0xffef9
r_2 = 0xffefa
r_3 = 0xffefb
r_4 = 0xffefc
r_5 = 0xffefd
r_6 = 0xffefe
r_7 = 0xffeff
#ifdef __RL78_G10__
; clobberable
r8 = 0xffec8
r9 = 0xffec9
r10 = 0xffeca
r11 = 0xffecb
r12 = 0xffecc
r13 = 0xffecd
r14 = 0xffece
r15 = 0xffecf
; preserved
r16 = 0xffed0
r17 = 0xffed1
r18 = 0xffed2
r19 = 0xffed3
r20 = 0xffed4
r21 = 0xffed5
r22 = 0xffed6
r23 = 0xffed7
#else
; clobberable
r8 = 0xffef0
r9 = 0xffef1
r10 = 0xffef2
r11 = 0xffef3
r12 = 0xffef4
r13 = 0xffef5
r14 = 0xffef6
r15 = 0xffef7
; preserved
r16 = 0xffee8
r17 = 0xffee9
r18 = 0xffeea
r19 = 0xffeeb
r20 = 0xffeec
r21 = 0xffeed
r22 = 0xffeee
r23 = 0xffeef
#endif