tlibthread: rm Darwin pre-11.0.0 support - plan9port - [fork] Plan 9 from user space
(HTM) git clone git://src.adamsgaard.dk/plan9port
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---
(DIR) commit 52397aaf2b240015533fa46f1767c20f45296465
(DIR) parent 8dcb18f71b1917713d4743ab10968c527acdc62e
(HTM) Author: Russ Cox <rsc@swtch.com>
Date: Sun, 19 Jan 2020 20:57:09 -0500
libthread: rm Darwin pre-11.0.0 support
Darwin 11.0.0 was Mac OS X 10.7.0 aka Lion.
The previous version was Snow Leopard, which
has been unsupported by Apple since February 2014.
Diffstat:
D src/libthread/Darwin-386-asm.s | 52 -------------------------------
D src/libthread/Darwin-386.c | 30 ------------------------------
D src/libthread/Darwin-power-asm.s | 83 -------------------------------
D src/libthread/Darwin-power.c | 24 ------------------------
M src/libthread/sysofiles.sh | 3 ---
5 files changed, 0 insertions(+), 192 deletions(-)
---
(DIR) diff --git a/src/libthread/Darwin-386-asm.s b/src/libthread/Darwin-386-asm.s
t@@ -1,52 +0,0 @@
-.globl _tas
-_tas:
- movl $0xCAFEBABE, %eax
- movl 4(%esp), %ecx
- xchgl %eax, 0(%ecx)
- ret
-
-.globl _getmcontext
-_getmcontext:
- movl 4(%esp), %eax
-
- movl %fs, 8(%eax)
- movl %es, 12(%eax)
- movl %ds, 16(%eax)
- movl %ss, 76(%eax)
- movl %edi, 20(%eax)
- movl %esi, 24(%eax)
- movl %ebp, 28(%eax)
- movl %ebx, 36(%eax)
- movl %edx, 40(%eax)
- movl %ecx, 44(%eax)
-
- movl $1, 48(%eax) /* %eax */
- movl (%esp), %ecx /* %eip */
- movl %ecx, 60(%eax)
- leal 4(%esp), %ecx /* %esp */
- movl %ecx, 72(%eax)
-
- movl 44(%eax), %ecx /* restore %ecx */
- movl $0, %eax
- ret
-
-.globl _setmcontext
-_setmcontext:
- movl 4(%esp), %eax
-
- movl 8(%eax), %fs
- movl 12(%eax), %es
- movl 16(%eax), %ds
- movl 76(%eax), %ss
- movl 20(%eax), %edi
- movl 24(%eax), %esi
- movl 28(%eax), %ebp
- movl 36(%eax), %ebx
- movl 40(%eax), %edx
- movl 44(%eax), %ecx
-
- movl 72(%eax), %esp
- pushl 60(%eax) /* new %eip */
- movl 48(%eax), %eax
- ret
-
(DIR) diff --git a/src/libthread/Darwin-386.c b/src/libthread/Darwin-386.c
t@@ -1,30 +0,0 @@
-#include "threadimpl.h"
-
-void
-makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
-{
- int *sp;
-
- sp = (int*)ucp->uc_stack.ss_sp+ucp->uc_stack.ss_size/4;
- sp -= argc;
- /*
- * Stack pointer at call instruction (before return address
- * gets pushed) must be 16-byte aligned.
- */
- if((uintptr)sp%4)
- abort();
- while((uintptr)sp%16)
- sp--;
- memmove(sp, &argc+1, argc*sizeof(int));
- *--sp = 0; /* return address */
- ucp->uc_mcontext.mc_eip = (long)func;
- ucp->uc_mcontext.mc_esp = (int)sp;
-}
-
-int
-swapcontext(ucontext_t *oucp, ucontext_t *ucp)
-{
- if(getcontext(oucp) == 0)
- setcontext(ucp);
- return 0;
-}
(DIR) diff --git a/src/libthread/Darwin-power-asm.s b/src/libthread/Darwin-power-asm.s
t@@ -1,83 +0,0 @@
-/* get FPR and VR use flags with sc 0x7FF3 */
-/* get vsave with mfspr reg, 256 */
-
-.text
-.align 2
-
-.globl __getmcontext
-
-__getmcontext: /* xxx: instruction scheduling */
- mflr r0
- mfcr r5
- mfctr r6
- mfxer r7
- stw r0, 0*4(r3)
- stw r5, 1*4(r3)
- stw r6, 2*4(r3)
- stw r7, 3*4(r3)
-
- stw r1, 4*4(r3)
- stw r2, 5*4(r3)
- li r5, 1 /* return value for setmcontext */
- stw r5, 6*4(r3)
-
- stw r13, (0+7)*4(r3) /* callee-save GPRs */
- stw r14, (1+7)*4(r3) /* xxx: block move */
- stw r15, (2+7)*4(r3)
- stw r16, (3+7)*4(r3)
- stw r17, (4+7)*4(r3)
- stw r18, (5+7)*4(r3)
- stw r19, (6+7)*4(r3)
- stw r20, (7+7)*4(r3)
- stw r21, (8+7)*4(r3)
- stw r22, (9+7)*4(r3)
- stw r23, (10+7)*4(r3)
- stw r24, (11+7)*4(r3)
- stw r25, (12+7)*4(r3)
- stw r26, (13+7)*4(r3)
- stw r27, (14+7)*4(r3)
- stw r28, (15+7)*4(r3)
- stw r29, (16+7)*4(r3)
- stw r30, (17+7)*4(r3)
- stw r31, (18+7)*4(r3)
-
- li r3, 0 /* return */
- blr
-
-.globl __setmcontext
-
-__setmcontext:
- lwz r13, (0+7)*4(r3) /* callee-save GPRs */
- lwz r14, (1+7)*4(r3) /* xxx: block move */
- lwz r15, (2+7)*4(r3)
- lwz r16, (3+7)*4(r3)
- lwz r17, (4+7)*4(r3)
- lwz r18, (5+7)*4(r3)
- lwz r19, (6+7)*4(r3)
- lwz r20, (7+7)*4(r3)
- lwz r21, (8+7)*4(r3)
- lwz r22, (9+7)*4(r3)
- lwz r23, (10+7)*4(r3)
- lwz r24, (11+7)*4(r3)
- lwz r25, (12+7)*4(r3)
- lwz r26, (13+7)*4(r3)
- lwz r27, (14+7)*4(r3)
- lwz r28, (15+7)*4(r3)
- lwz r29, (16+7)*4(r3)
- lwz r30, (17+7)*4(r3)
- lwz r31, (18+7)*4(r3)
-
- lwz r1, 4*4(r3)
- lwz r2, 5*4(r3)
-
- lwz r0, 0*4(r3)
- mtlr r0
- lwz r0, 1*4(r3)
- mtcr r0 /* mtcrf 0xFF, r0 */
- lwz r0, 2*4(r3)
- mtctr r0
- lwz r0, 3*4(r3)
- mtxer r0
-
- lwz r3, 6*4(r3)
- blr
(DIR) diff --git a/src/libthread/Darwin-power.c b/src/libthread/Darwin-power.c
t@@ -1,24 +0,0 @@
-#include "threadimpl.h"
-
-void
-makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
-{
- ulong *sp, *tos;
- va_list arg;
-
- tos = (ulong*)ucp->uc_stack.ss_sp+ucp->uc_stack.ss_size/sizeof(ulong);
- sp = tos - 16;
- ucp->mc.pc = (long)func;
- ucp->mc.sp = (long)sp;
- va_start(arg, argc);
- ucp->mc.r3 = va_arg(arg, long);
- va_end(arg);
-}
-
-int
-swapcontext(ucontext_t *oucp, ucontext_t *ucp)
-{
- if(getcontext(oucp) == 0)
- setcontext(ucp);
- return 0;
-}
(DIR) diff --git a/src/libthread/sysofiles.sh b/src/libthread/sysofiles.sh
t@@ -7,9 +7,6 @@ case "$tag" in
*-NetBSD-*)
echo ${SYSNAME}-${OBJTYPE}-asm.o $SYSNAME.o pthread.o stkmalloc.o
;;
-*-Darwin-10.[5-6].* | *-Darwin-[89].*)
- echo ${SYSNAME}-${OBJTYPE}-asm.o $SYSNAME-${OBJTYPE}.o pthread.o stkmalloc.o
- ;;
*-OpenBSD-*)
echo ${SYSNAME}-${OBJTYPE}-asm.o ${SYSNAME}-${OBJTYPE}.o pthread.o stkmmap.o
;;