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authorUlrich Drepper <drepper@redhat.com>1997-03-31 22:56:24 +0000
committerUlrich Drepper <drepper@redhat.com>1997-03-31 22:56:24 +0000
commit5929563ff20245bbaa1b3ca2f4bfcee623ac6fb5 (patch)
tree15b1ff0a40462018402078788148c0c99d188429 /sysdeps/unix/sysv/linux/powerpc/clone.S
parent3075e0e37c0e7cc2e6eb518c409e0769d058ed4b (diff)
1997-04-01 00:37 Ulrich Drepper <drepper@cygnus.com> * math/Makefile: Prevent inlining for test-{float,double,longdouble}. * math/libm-test.c (initialize): Make strings unique and force values to memory. * posix/regex.c: Debug debugging code. * sysdeps/i386/asm-syntax.h: Define `L' macro to emit correct syntax for local label. * sysdeps/i386/add_n.S: Use correct local label syntax for the binary format. * sysdeps/i386/addmul_1.S: Likewise. * sysdeps/i386/lshift.S: Likewise. * sysdeps/i386/memchr.S: Likewise. * sysdeps/i386/memset.S: Likewise. * sysdeps/i386/mul_1.S: Likewise. * sysdeps/i386/rshift.S: Likewise. * sysdeps/i386/stpcpy.S: Likewise. * sysdeps/i386/stpncpy.S: Likewise. * sysdeps/i386/strchr.S: Likewise. * sysdeps/i386/strcspn.S: Likewise. * sysdeps/i386/strlen.S: Likewise. * sysdeps/i386/strpbrk.S: Likewise. * sysdeps/i386/strrchr.S: Likewise. * sysdeps/i386/strspn.S: Likewise. * sysdeps/i386/strtok.S: Likewise. * sysdeps/i386/sub_n.S: Likewise. * sysdeps/i386/submul_1.S: Likewise. * sysdeps/i386/i486/strcat.S: Likewise. * sysdeps/i386/i486/strlen.S: Likewise. * sysdeps/i386/i586/add_n.S: Likewise. * sysdeps/i386/i586/addmul_1.S: Likewise. * sysdeps/i386/i586/lshift.S: Likewise. * sysdeps/i386/i586/memset.S: Likewise. * sysdeps/i386/i586/mul_1.S: Likewise. * sysdeps/i386/i586/rshift.S: Likewise. * sysdeps/i386/i586/strchr.S: Likewise. * sysdeps/i386/i586/strlen.S: Likewise. * sysdeps/i386/i586/sub_n.S: Likewise. * sysdeps/i386/i586/submul_1.S: Likewise. * sysdeps/stub/s_log2l.c: Correct function name. * time/africa: Updated from ADO tzdata1997e. * time/aantarctica: Likewise. * time/asia: Likewise. * time/australia: Likewise. * time/europe: Likewise. * time/northamerica: Likewise. * time/southamerica: Likewise. * time/private.h: Updated from ADO tzcode1997d. * time/scheck.c: Likewise. 1997-03-31 12:42 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/powerpc/Dist: Add kernel_*.h files. 1997-03-23 01:41 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/strlen.s: Rewrote for more speed. * string/tst-strlen.c: Also test various string alignments. 1997-03-19 06:11 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/statbuf.h: Removed. * sysdeps/unix/sysv/linux/powerpc/kernel_stat.h: Added. * sysdeps/powerpc/dl-machine.h (ELF_PREFERRED_ADDRESS): Assume program base address is 0x01800000 if we can't otherwise tell what it is. (elf_machine_rela): Replace `assertion failed' with real error messages. * sysdeps/powerpc/dl-machine.h: More comments, more GNU indenting. Put in extra parentheses to make explicit the relative precedence of + and >>. * sysdeps/powerpc/bsd-setjmp.S: Add `__setjmp' symbol so the tests pass. * sysdeps/powerpc/clone.S: Rewrite. Probably still doesn't work. * sysdeps/unix/sysv/linux/powerpc/sys/sysdep.h: Use .section "text" instead of .text. 1997-03-31 02:28 Ulrich Drepper <drepper@cygnus.com> * misc/tst-tsearch.c: Don't write to stderr, write to stdout instead. * inet/inet_ntoa.c (inet_ntoa): Complete rewrite. Now uses thread-specific memory in multi-threaded programs. * sysdeps/stub/s_exp2.c: New file. Stub version for exp2 function. * sysdeps/stub/s_exp2f.c: New file. * sysdeps/stub/s_exp2l.c: New file. Reported by a sun <asun@zoology.washington.edu>. * sysdeps/unix/sysv/linux/netatalk/atalk.h: Rename to... * sysdeps/unix/sysv/linux/netatalk/at.h: ...this. Suggested by a sun <asun@zoology.washington.edu>. 1997-03-30 14:53 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/netinet/ip_icmp.h: Add former contents of <netinet/icmp.h>. Patch by a sun <asun@zoology.washington.edu>. * sysdeps/powerpc/strlen.S: Added.
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/clone.S')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/clone.S48
1 files changed, 30 insertions, 18 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/clone.S b/sysdeps/unix/sysv/linux/powerpc/clone.S
index 0afd0717f4..d255abfe0f 100644
--- a/sysdeps/unix/sysv/linux/powerpc/clone.S
+++ b/sysdeps/unix/sysv/linux/powerpc/clone.S
@@ -27,22 +27,30 @@
/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */
-ENTRY(clone)
+ENTRY(__clone)
/* Set up stack frame, save registers. */
- stwu 1,-20(1)
+ stwu 1,-32(1)
stw 31,16(1)
+ stw 30,20(1)
- /* Check for child_stack == NULL, fn == NULL. */
- mr. 31,4
+ /* Check for child_stack == NULL || fn == NULL. */
+ cmpwi 0,4,0
cmpwi 1,3,0
cror 2+0*4,2+0*4,2+1*4
beq- 0,badargs
- /* Save 'fn' and its argument on the new stack. */
- stw 3,0(4)
- stw 6,4(4)
+ /* Set up stack frame for child. */
+ addi 4,4,-16
+ clrrwi 4,4,4
+ li 0,0
+ stw 0,0(4)
- /* 'flags' argument is (only) parameter to clone syscall. */
+ /* Save new stack, fn, args across syscall. */
+ mr 30,3 /* Function in r30. */
+ mr 31,6 /* Arguments in r31. */
+
+ /* 'flags' argument is first parameter to clone syscall. (The other
+ argument is the stack pointer, already in r4.) */
mr 3,5
/* Do the call. */
@@ -51,22 +59,22 @@ ENTRY(clone)
beq child
/* Parent. Restore registers & return. */
- lwz 31,20(1)
- addi 1,1,20
+ lwz 31,16(1)
+ lwz 30,20(1)
+ addi 1,1,32
blr
child:
- /* Get address of procedure to call. */
- lwz 0,0(31)
- /* Set up argument register. */
- lwz 3,4(31)
- mtlr 0
- /* Switch to new stack. */
- mr 1,31
/* Call procedure. */
+ mtlr 30
+ mr 3,31
blrl
/* Call _exit with result from procedure. */
- DO_CALL (SYS_ify (exit))
+#ifdef PIC
+ b _exit@plt
+#else
+ b _exit
+#endif
badargs:
li 3,-EINVAL
@@ -76,3 +84,7 @@ error:
#else
b __syscall_error
#endif
+
+PSEUDO_END (__clone)
+
+weak_alias (__clone, clone)