diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S | 44 |
1 files changed, 31 insertions, 13 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S index b875aa5de0..9cb0b874f5 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S @@ -18,6 +18,7 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <shlib-compat.h> #define __ASSEMBLY__ #include <asm/ptrace.h> @@ -25,22 +26,24 @@ ENTRY(__makecontext) /* Set up the first 7 args to the function in its registers */ - stw r6,_UC_GREGS+(PT_R3*4)(r3) - stw r7,_UC_GREGS+(PT_R4*4)(r3) - stw r8,_UC_GREGS+(PT_R5*4)(r3) - stw r9,_UC_GREGS+(PT_R6*4)(r3) - stw r10,_UC_GREGS+(PT_R7*4)(r3) + addi r11,r3,_UC_REG_SPACE + stw r11,_UC_REGS_PTR(r3) + stw r6,_UC_GREGS+(PT_R3*4)(r11) + stw r7,_UC_GREGS+(PT_R4*4)(r11) + stw r8,_UC_GREGS+(PT_R5*4)(r11) + stw r9,_UC_GREGS+(PT_R6*4)(r11) + stw r10,_UC_GREGS+(PT_R7*4)(r11) lwz r8,8(r1) lwz r9,12(r1) - stw r8,_UC_GREGS+(PT_R8*4)(r3) - stw r9,_UC_GREGS+(PT_R9*4)(r3) + stw r8,_UC_GREGS+(PT_R8*4)(r11) + stw r9,_UC_GREGS+(PT_R9*4)(r11) /* Set the NIP to the start of the function */ - stw r4,_UC_GREGS+(PT_NIP*4)(r3) + stw r4,_UC_GREGS+(PT_NIP*4)(r11) /* Set the function's r31 to ucp->uc_link for the exitcode below. */ lwz r7,_UC_LINK(r3) - stw r7,_UC_GREGS+(PT_R31*4)(r3) + stw r7,_UC_GREGS+(PT_R31*4)(r11) /* Set the function's LR to point to the exitcode below. */ #ifdef PIC @@ -53,7 +56,7 @@ ENTRY(__makecontext) lis r6,L(exitcode)@ha addi r6,r6,L(exitcode)@l #endif - stw r6,_UC_GREGS+(PT_LNK*4)(r3) + stw r6,_UC_GREGS+(PT_LNK*4)(r11) /* * Set up the stack frame for the function. @@ -71,7 +74,7 @@ ENTRY(__makecontext) cmpwi r5,8 blt 2f /* less than 8 args is easy */ lwz r10,16(r1) - stw r10,_UC_GREGS+(PT_R10*4)(r3) + stw r10,_UC_GREGS+(PT_R10*4)(r11) beq 2f /* if exactly 8 args */ subi r9,r5,3 subi r5,r5,8 @@ -83,7 +86,7 @@ ENTRY(__makecontext) 3: lwzu r10,4(r6) stwu r10,4(r8) bdnz 3b -2: stw r7,_UC_GREGS+(PT_R1*4)(r3) +2: stw r7,_UC_GREGS+(PT_R1*4)(r11) li r6,0 stw r6,0(r7) @@ -102,4 +105,19 @@ L(exitcode): b 4b END(__makecontext) -weak_alias(__makecontext, makecontext) + +versioned_symbol (libc, __makecontext, makecontext, GLIBC_2_3_3) + +#if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_3_3) + +#define _ERRNO_H 1 +#include <bits/errno.h> + +ENTRY (__makecontext_stub) + li r3,ENOSYS + b JUMPTARGET(__syscall_error) + END (__makecontext_stub) + +compat_symbol (libc, __makecontext_stub, makecontext, GLIBC_2_1) + +#endif |