diff options
| -rw-r--r-- | libexec/rtld-elf/powerpc64/rtld_start.S | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/libexec/rtld-elf/powerpc64/rtld_start.S b/libexec/rtld-elf/powerpc64/rtld_start.S index c44f880..3c962c2 100644 --- a/libexec/rtld-elf/powerpc64/rtld_start.S +++ b/libexec/rtld-elf/powerpc64/rtld_start.S @@ -35,15 +35,15 @@ .extern _DYNAMIC _ENTRY(_rtld_start) - stdu %r1,-96(%r1) /* 16-byte aligned stack for reg saves + + stdu %r1,-144(%r1) /* 16-byte aligned stack for reg saves + exit_proc & obj _rtld args + backchain & lrsave stack frame */ - std %r3,48(%r1) /* argc */ - std %r4,56(%r1) /* argv */ - std %r5,64(%r1) /* envp */ -/* std %r6,72(%r1) *//* obj (always 0) */ -/* std %r7,80(%r1) *//* cleanup (always 0) */ - std %r8,88(%r1) /* ps_strings */ + std %r3,96(%r1) /* argc */ + std %r4,104(%r1) /* argv */ + std %r5,112(%r1) /* envp */ +/* std %r6,120(%r1) *//* obj (always 0) */ +/* std %r7,128(%r1) *//* cleanup (always 0) */ + std %r8,136(%r1) /* ps_strings */ /* * Perform initial relocation of ld-elf.so. Not as easy as it @@ -75,10 +75,10 @@ _ENTRY(_rtld_start) * original stack layout has to be found by moving back a word * from the argv pointer. */ - ld %r4,56(%r1) + ld %r4,104(%r1) addi %r3,%r4,-8 /* locate argc ptr, &argv[-1] */ - addi %r4,%r1,80 /* &exit_proc on stack */ - addi %r5,%r1,72 /* &obj_main on stack */ + addi %r4,%r1,128 /* &exit_proc on stack */ + addi %r5,%r1,120 /* &obj_main on stack */ bl ._rtld /* &_start = _rtld(sp, &exit_proc, &obj_main)*/ nop @@ -90,12 +90,12 @@ _ENTRY(_rtld_start) /* * Restore args, with new obj/exit proc */ - ld %r3,48(%r1) /* argc */ - ld %r4,56(%r1) /* argv */ - ld %r5,64(%r1) /* envp */ - ld %r6,72(%r1) /* obj */ - ld %r7,80(%r1) /* exit proc */ - ld %r8,88(%r1) /* ps_strings */ + ld %r3,96(%r1) /* argc */ + ld %r4,104(%r1) /* argv */ + ld %r5,112(%r1) /* envp */ + ld %r6,120(%r1) /* obj */ + ld %r7,128(%r1) /* exit proc */ + ld %r8,136(%r1) /* ps_strings */ blrl /* _start(argc, argv, envp, obj, cleanup, ps_strings) */ @@ -119,16 +119,17 @@ _ENTRY(_rtld_bind_start) mfcr %r0 std %r0,8(%r1) # save cr - stdu %r1,-48-9*8(%r1) # stack space for 8 regs + header - std %r3,48+0*8(%r1) # save r3-r31 - std %r4,48+1*8(%r1) - std %r5,48+2*8(%r1) - std %r6,48+3*8(%r1) - std %r7,48+4*8(%r1) - std %r8,48+5*8(%r1) - std %r9,48+6*8(%r1) - std %r10,48+7*8(%r1) - std %r12,48+8*8(%r1) + stdu %r1,-48-12*8(%r1) # stack space for 8 regs + header + # + 2 save regs + std %r3,64+0*8(%r1) # save r3-r31 + std %r4,64+1*8(%r1) + std %r5,64+2*8(%r1) + std %r6,64+3*8(%r1) + std %r7,64+4*8(%r1) + std %r8,64+5*8(%r1) + std %r9,64+6*8(%r1) + std %r10,64+7*8(%r1) + std %r12,64+8*8(%r1) ld %r3,0(%r11) ld %r4,8(%r11) @@ -140,22 +141,21 @@ _ENTRY(_rtld_bind_start) ld %r3,0(%r3) mtctr %r3 # move absolute target addr into ctr - ld %r3,48+0*8(%r1) # restore r3-r31 - ld %r4,48+1*8(%r1) - ld %r5,48+2*8(%r1) - ld %r6,48+3*8(%r1) - ld %r7,48+4*8(%r1) - ld %r8,48+5*8(%r1) - ld %r9,48+6*8(%r1) - ld %r10,48+7*8(%r1) - ld %r12,48+8*8(%r1) - - addi %r1,%r1,48+9*8 # restore stack - - ld %r0,8(%r1) # restore cr - mtcr %r0 - ld %r0,16(%r1) # restore lr - mtlr %r0 - - bctr # jump to target + ld %r3,64+0*8(%r1) # restore r3-r31 + ld %r4,64+1*8(%r1) + ld %r5,64+2*8(%r1) + ld %r6,64+3*8(%r1) + ld %r7,64+4*8(%r1) + ld %r8,64+5*8(%r1) + ld %r9,64+6*8(%r1) + ld %r10,64+7*8(%r1) + ld %r12,64+8*8(%r1) + + ld %r1,0(%r1) # restore stack + ld %r0,8(%r1) # restore cr + mtcr %r0 + ld %r0,16(%r1) # restore lr + mtlr %r0 + + bctr # jump to target |
