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Gentoo's Bugzilla – Attachment 387142 Details for
Bug 518210
=sys-apps/rng-tools-5 version bump
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[patch]
Patch to port the PIC fixes v4
rng-tools-5-fix-textrels-on-PIC-x86.patch (text/plain), 2.57 KB, created by
Francisco Blas Izquierdo Riera
on 2014-10-21 15:11:14 UTC
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Description:
Patch to port the PIC fixes v4
Filename:
MIME Type:
Creator:
Francisco Blas Izquierdo Riera
Created:
2014-10-21 15:11:14 UTC
Size:
2.57 KB
patch
obsolete
>From: Francisco Blas Izquierdo Riera (klondike) <klondike@gentoo.org> >Subject: [PATCH] Fix assemby textrels on rdrand_asm.S on PIC x86 > >This patch updates the fixes in the assembly in rdrand_asm.S in >sys-apps/rng-tools-5 so it won't generate textrels on PIC systems. >The main fixes are in the use of leal in SETPTR for such systems, the rest is >the usual PIC support stuff. > >This should fix Gentoo bug #469962 and help fix #518210 > >This patch is released under the GPLv2 or a higher version license as is the >original file as long as the author and the tester are credited. > >Gentoo-bug-url: https://bugs.gentoo.org/show_bug.cgi?id=469962 >Gentoo-bug-url: https://bugs.gentoo.org/show_bug.cgi?id=518210 >Upstream-status: Not sent yet >Signed-off-by: Francisco Blas Izquierdo Riera (klondike) <klondike@gentoo.org> >Reported-by: cilly <cilly@cilly.mine.nu> >Reported-by: Manuel Rüger <mrueg@gentoo.org> > >--- rng-tools/rdrand_asm.S >+++ rng-tools/rdrand_asm.S >@@ -2,6 +2,7 @@ > * Copyright (c) 2011-2014, Intel Corporation > * Authors: Fenghua Yu <fenghua.yu@intel.com>, > * H. Peter Anvin <hpa@linux.intel.com> >+ * PIC code by: Francisco Blas Izquierdo Riera (klondike) <klondike@gentoo.org> > * > * This program is free software; you can redistribute it and/or modify it > * under the terms and conditions of the GNU General Public License, >@@ -174,7 +175,19 @@ > jmp 4b > ENDPROC(x86_rdseed_or_rdrand_bytes) > >+#if defined(__PIC__) >+#define INIT_PIC() \ >+ pushl %ebx ; \ >+ call __x86.get_pc_thunk.bx ; \ >+ addl $_GLOBAL_OFFSET_TABLE_, %ebx >+#define END_PIC() \ >+ popl %ebx >+#define SETPTR(var,ptr) leal (var)@GOTOFF(%ebx),ptr >+#else >+#define INIT_PIC() >+#define END_PIC() > #define SETPTR(var,ptr) movl $(var),ptr >+#endif > #define PTR0 %eax > #define PTR1 %edx > #define PTR2 %ecx >@@ -190,6 +203,7 @@ > movl 8(%ebp), %eax > movl 12(%ebp), %edx > push %esi >+ INIT_PIC() > #endif > movl $512, CTR3 /* Number of rounds */ > >@@ -280,6 +294,7 @@ > movdqa %xmm7, (7*16)(PTR1) > > #ifdef __i386__ >+ END_PIC() > pop %esi > pop %ebp > #endif >@@ -294,6 +309,7 @@ > push %ebp > mov %esp, %ebp > movl 8(%ebp), %eax >+ INIT_PIC() > #endif > > SETPTR(aes_round_keys, PTR1) >@@ -323,6 +339,7 @@ > call 1f > > #ifdef __i386__ >+ END_PIC() > pop %ebp > #endif > ret >@@ -343,6 +360,16 @@ > > ENDPROC(x86_aes_expand_key) > >+#if defined(__i386__) && defined(__PIC__) >+ .section .text.__x86.get_pc_thunk.bx,"axG",@progbits,__x86.get_pc_thunk.bx,comdat >+ .globl __x86.get_pc_thunk.bx >+ .hidden __x86.get_pc_thunk.bx >+ .type __x86.get_pc_thunk.bx, @function >+__x86.get_pc_thunk.bx: >+ movl (%esp), %ebx >+ ret >+#endif >+ > .bss > .balign 64 > aes_round_keys:
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Attachments on
bug 518210
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387000
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387002
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387004
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387140
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387142
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387158