diff options
| author | Per Fogelstrom <pefo@cvs.openbsd.org> | 2004-09-21 09:54:09 +0000 |
|---|---|---|
| committer | Per Fogelstrom <pefo@cvs.openbsd.org> | 2004-09-21 09:54:09 +0000 |
| commit | dad620a876413c821a345111685d08b651570c7f (patch) | |
| tree | 1c6728a65667d76bdcea3dd5d7aa0322b2d451e2 /libexec/ld.so/mips64/ldasm.S | |
| parent | 8c466140afadfc2031ee94347e38f81d0f06aebc (diff) | |
Automatically adapt to actual text/data alignment
Diffstat (limited to 'libexec/ld.so/mips64/ldasm.S')
| -rw-r--r-- | libexec/ld.so/mips64/ldasm.S | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/libexec/ld.so/mips64/ldasm.S b/libexec/ld.so/mips64/ldasm.S index 148b24ade06..d2d9568d798 100644 --- a/libexec/ld.so/mips64/ldasm.S +++ b/libexec/ld.so/mips64/ldasm.S @@ -1,4 +1,4 @@ -/* $OpenBSD: ldasm.S,v 1.3 2004/09/21 08:40:45 pefo Exp $ */ +/* $OpenBSD: ldasm.S,v 1.4 2004/09/21 09:54:08 pefo Exp $ */ /* * Copyright (c) 1998-2002 Opsycon AB, Sweden. @@ -49,21 +49,28 @@ LEAF(_dl_start, FRAMESZ) /* Not really LEAF, but we simplify */ LA s1, 1f bgezal zero, 1f 1: + PTR_SUBU s0, ra, s1 # This is the load offset + LA t0, _fdata + PTR_SRL t0, 20 # check if distance is > 2**16. + beqz t0, 2f + li t0, 0x10000 + + li t0, 0x100000 +2: # This is a hack to change protection of .rodata so it # can be relocated. A better way to find the location # of .rodata should probably be used. - # We know that .rodata is aligned on 0x100000 and is at - # most 64 k in size. + # We know that .rodata is aligned on 0x100000 or 0x10000 + # and is at most 64 k in size. li v0, SYS_mprotect or a0, ra, 0xfff xor a0, 0xfff - PTR_ADDU a0, 0x10000 + PTR_ADDU a0, t0 li a1, 0x10000 li a2, 7 /* (PROT_READ|PROT_WRITE|PROT_EXEC) */ syscall - PTR_SUBU s0, ra, s1 # This is the load offset PTR_ADDU a0, sp, FRAMESZ # Where stack info is. PTR_ADDU a1, sp, 0 # Where fast AUX info will be. LA t9, _dl_boot_bind |