[klibc] [PATCH] HP PA-RISC support

[Kyle McMartin]

This patch provides support for building on PA-RISC. Please CC me on
any followups, as I am not subscribed to the list.

diff -Nur klibc-0.115/klibc/arch/parisc/Makefile.inc klibc/klibc/arch/parisc/Makefile.inc
--- klibc-0.115/klibc/arch/parisc/Makefile.inc	2002-08-13 00:04:47.000000000 -0400
+++ klibc/klibc/arch/parisc/Makefile.inc	2004-04-08 09:56:21.333944000 -0400
@@ -7,4 +7,9 @@
 # accordingly.
 #
 
+ARCHOBJS = \
+	arch/$(ARCH)/setjmp.o
+
+ARCHOOBJS = $(patsubst %o,%.lo,%(ARCHOBJS))
+
 archclean:
diff -Nur klibc-0.115/klibc/arch/parisc/crt0.S klibc/klibc/arch/parisc/crt0.S
--- klibc-0.115/klibc/arch/parisc/crt0.S	1969-12-31 19:00:00.000000000 -0500
+++ klibc/klibc/arch/parisc/crt0.S	2004-04-08 09:56:21.413944000 -0400
@@ -0,0 +1,34 @@
+        .align 4
+
+        .import $global$, data
+        .import __libc_init, code
+ 
+        .global _start
+        .export _start, ENTRY
+        .type _start, at function
+
+        .proc
+        .callinfo
+
+_start: 
+/* extend the stack by 64-bytes */
+        ldo     64(%sp), %sp
+	
+/* %r25 = argc
+ * %r24 = argv
+ * envp = argv + (argc + 1)        
+ * elfdata = (argv - 4)
+ */
+        ldo     -4(%r24), %r26
+
+/* load global data */
+        ldil	L%$global$, %dp
+        ldo	R%$global$(%dp), %dp
+
+/* branch to __libc_init */
+        bl	__libc_init,%r2
+        nop
+/* break miserably if we ever return */
+        iitlbp	%r0,(%r0) /* illegal instruction */
+        nop
+        .procend
diff -Nur klibc-0.115/klibc/arch/parisc/include/klibc/archsetjmp.h klibc/klibc/arch/parisc/include/klibc/archsetjmp.h
--- klibc-0.115/klibc/arch/parisc/include/klibc/archsetjmp.h	1969-12-31 19:00:00.000000000 -0500
+++ klibc/klibc/arch/parisc/include/klibc/archsetjmp.h	2004-04-08 09:56:21.393944000 -0400
@@ -0,0 +1,12 @@
+/*
+ * arch/parisc/include/klibc/archsetjmp.h
+ *
+ */
+
+#ifndef _KLIBC_ARCHSETJMP_H
+#define _KLIBC_ARCHSETJMP_H
+
+typedef double jmp_buf[21];
+
+#endif
+	
diff -Nur klibc-0.115/klibc/arch/parisc/include/klibc/archsignal.h klibc/klibc/arch/parisc/include/klibc/archsignal.h
--- klibc-0.115/klibc/arch/parisc/include/klibc/archsignal.h	2003-11-23 19:37:07.000000000 -0500
+++ klibc/klibc/arch/parisc/include/klibc/archsignal.h	2004-04-08 09:56:21.353944000 -0400
@@ -8,6 +8,17 @@
 #ifndef _KLIBC_ARCHSIGNAL_H
 #define _KLIBC_ARCHSIGNAL_H
 
-/* No special stuff for this architecture */
+#define _NSIG    64
+#define _NSIG_SZ (_NSIG / LONG_BIT)
+
+typedef struct {
+        unsigned long sig[_NSIG_SZ];
+} sigset_t;
+
+struct sigaction {
+        __sighandler_t sa_handler;
+        unsigned long sa_flags;
+        sigset_t sa_mask;
+};
 
 #endif
diff -Nur klibc-0.115/klibc/arch/parisc/setjmp.S klibc/klibc/arch/parisc/setjmp.S
--- klibc-0.115/klibc/arch/parisc/setjmp.S	1969-12-31 19:00:00.000000000 -0500
+++ klibc/klibc/arch/parisc/setjmp.S	2004-04-08 09:56:21.443944000 -0400
@@ -0,0 +1,88 @@
+/*
+ * parisc specific setjmp/longjmp routines
+ *
+ */
+        
+        .text
+        .align 4
+        .global setjmp
+        .export setjmp, code
+        .proc
+        .callinfo
+setjmp:
+        stw     %r3,0(%r26)
+        stw     %r4,8(%r26)
+        stw     %r5,12(%r26)
+        stw     %r6,16(%r26)
+        stw     %r7,20(%r26)
+        stw     %r8,24(%r26)
+        stw     %r9,28(%r26)
+        stw     %r10,32(%r26)
+        stw     %r11,36(%r26)
+        stw     %r12,40(%r26)
+        stw     %r13,44(%r26)
+        stw     %r14,48(%r26)
+        stw     %r15,52(%r26)
+        stw     %r16,56(%r26)
+        stw     %r17,60(%r26)
+        stw     %r18,64(%r26)
+        stw     %r19,68(%r26)
+        stw     %dp,72(%r26)
+        stw     %r30,76(%r26)
+        stw     %rp,80(%r26)
+        ldo     88(%r26),%r19
+        fstd,ma %fr12,8(%r19)
+        fstd,ma %fr13,8(%r19)
+        fstd,ma %fr14,8(%r19)
+        fstd,ma %fr15,8(%r19)
+        fstd,ma %fr16,8(%r19)
+        fstd,ma %fr17,8(%r19)
+        fstd,ma %fr18,8(%r19)
+        fstd,ma %fr19,8(%r19)
+        fstd,ma %fr20,8(%r19)
+        fstd     %fr21,0(%r19)
+        bv       %r0(%rp)
+        copy     %r0,%r28
+	.procend
+
+	.text
+	.align 4
+	.global longjmp
+	.export longjmp, code
+	.proc
+	.callinfo
+longjmp:
+        ldw     0(%r26),%r3
+        ldw     8(%r26),%r4
+        ldw     12(%r26),%r5
+        ldw     16(%r26),%r6
+        ldw     20(%r26),%r7
+        ldw     24(%r26),%r8
+        ldw     28(%r26),%r9
+        ldw     32(%r26),%r10
+        ldw     36(%r26),%r11
+        ldw     40(%r26),%r12
+        ldw     44(%r26),%r13
+        ldw     48(%r26),%r14
+        ldw     52(%r26),%r15
+        ldw     56(%r26),%r16
+        ldw     60(%r26),%r17
+        ldw     64(%r26),%r18
+        ldw     68(%r26),%r19
+        ldw     72(%r26),%r27
+        ldw     76(%r26),%r30
+        ldw     80(%r26),%rp
+        ldo     88(%r26),%r20
+        fldd,ma 8(%r20),%fr12
+        fldd,ma 8(%r20),%fr13
+        fldd,ma 8(%r20),%fr14
+        fldd,ma 8(%r20),%fr15
+        fldd,ma 8(%r20),%fr16
+        fldd,ma 8(%r20),%fr17
+        fldd,ma 8(%r20),%fr18
+        fldd,ma 8(%r20),%fr19
+        fldd,ma 8(%r20),%fr20
+        fldd    0(%r20),%fr21
+        bv      %r0(%rp)
+        copy    %r25,%r28
+        .procend

Regards,
-- 
Kyle McMartin