diff options
Diffstat (limited to 'newlib/libc/machine/m32c')
-rw-r--r-- | newlib/libc/machine/m32c/Makefile.am | 12 | ||||
-rw-r--r-- | newlib/libc/machine/m32c/Makefile.in | 327 | ||||
-rw-r--r-- | newlib/libc/machine/m32c/aclocal.m4 | 366 | ||||
-rwxr-xr-x | newlib/libc/machine/m32c/configure | 1880 | ||||
-rw-r--r-- | newlib/libc/machine/m32c/configure.in | 12 | ||||
-rw-r--r-- | newlib/libc/machine/m32c/setjmp.S | 133 |
6 files changed, 0 insertions, 2730 deletions
diff --git a/newlib/libc/machine/m32c/Makefile.am b/newlib/libc/machine/m32c/Makefile.am deleted file mode 100644 index 1c65b9ffe..000000000 --- a/newlib/libc/machine/m32c/Makefile.am +++ /dev/null @@ -1,12 +0,0 @@ -## Process this file with automake to generate Makefile.in - -AUTOMAKE_OPTIONS = cygnus - -INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) - -noinst_LIBRARIES = lib.a - -lib_a_SOURCES = setjmp.S - -ACLOCAL_AMFLAGS = -I ../../.. -CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host diff --git a/newlib/libc/machine/m32c/Makefile.in b/newlib/libc/machine/m32c/Makefile.in deleted file mode 100644 index 9736912dc..000000000 --- a/newlib/libc/machine/m32c/Makefile.in +++ /dev/null @@ -1,327 +0,0 @@ -# Makefile.in generated automatically by automake 1.4-p6 from Makefile.am - -# Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; 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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. - -*/ - -#if defined(__r8c_cpu__) || defined(__m16c_cpu__) -#define A16 1 -#endif - -/* We implement setjmp/longjmp much like the way gcc implements - exceptions - we create new stack frames, then switch to them and - return. Thus, the two setjmp's below each push all the relevent - registers, then copy the whole frame into the buffer (first $sp is - moved, then smovf copies the frame itself), and the two longjmps - restore $sp, copy the frame back into place, and issue the same - return as the setjmp would have used. - - Since the sizes of registers differs between the 16 and 24 bit - models, we provide separate implementations for each rather than - trying to parameterize them. - - Jump buffer sizes: 21 bytes for 16 bit, 34 bytes for 24 bit. -*/ - - .text - -#ifdef A16 /* 16 bit versions */ - - .global _setjmp -_setjmp: - enter #0 - pushm r1,r2,r3,a0,a1,sb,fb - -; At this point, the stack looks like this: -; ... [pc:3] [oldfb:2] <fb> [r1:2] [r2:2] [r3:2] [a0:2] [a1:2] [sb:2] [fb:2] <sp> */ - - mov.w r1,a1 ; a1 is the destination of smovf - mov.b #0,r1h - stc sp,a0 ; r1h:a0 is the source of smovf - mov.w a0,[a1] - add.w #2,a1 - mov.w #19,r3 ; plus two for sp later - smovf.b - - ; Return 0 to caller. - mov.w #0,r0 - popm r1,r2,r3,a0,a1,sb,fb - exitd - - .global _longjmp -_longjmp: - enter #0 - mov.w r1,a0 ; pointer to jump buf - mov.w r2,r0 ; setjmp's "new" return value - - mov.b #0,r1h ; r1h: a0 is the source, now jmpbuf - mov.w [a0],a1 ; dest is new stack - ldc a1,sp - add.w #2,a0 - mov.w #19,r3 - smovf.b - - ;; now return to our caller with this newly restored frame - popm r1,r2,r3,a0,a1,sb,fb - exitd - -#else /* 24 bit versions */ - - .global _setjmp -_setjmp: - enter #0 - pushm r1,r2,r3,a0,a1,sb,fb - -; At this point, the stack looks like this: -; ... [jbuf:4] [pc:4] [oldfb:4] <fb> [r1:2] [r2:2] [r3:2] [a0:4] [a1:4] [sb:4] [fb:4] <sp> */ - - mov.l 8[fb],a1 ; a1 is the destination of smovf - stc sp,a0 ; r1h:a0 is the source of smovf - mov.l a0,[a1] - add.l #4,a1 - mov.w #30,r3 ; plus two for sp later - smovf.b - - ; Return 0 to caller. - mov.w #0,r0 - popm r1,r2,r3,a0,a1,sb,fb - exitd - - .global _longjmp -_longjmp: - enter #0 -; ... [rv:2] [jbuf:4] [pc:4] [oldfb:4] <fb> - mov.l 8[fb],a0 ; pointer to jump buf - mov.w 12[fb],r0 ; setjmp's "new" return value - - mov.l [a0],a1 ; dest is new stack - ldc a1,sp - add.l #4,a0 - mov.w #30,r3 - smovf.b - - ;; now return to our caller with this newly restored frame - popm r1,r2,r3,a0,a1,sb,fb - exitd -#endif - |