forked from pool/grub2
147 lines
2.9 KiB
Diff
147 lines
2.9 KiB
Diff
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From 4e42521d8c9232b6ee9eac7d8b4945a7479de781 Mon Sep 17 00:00:00 2001
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From: Vladimir Serbinenko <phcoder@gmail.com>
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Date: Fri, 22 Nov 2013 05:40:32 +0100
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Subject: * grub-core/kern/x86_64/efi/callwrap.S: Fix stack
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alignment. Previously we misaligned stack by 8 in startup.S and compensated
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for it in callwrap.S. According to ABI docs (EFI and sysv amd64) right
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behaviour is to align stack in startup.S and keep it aligned in callwrap.S.
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startup.S part was committed few commits before. This takes care of
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callwrap.S. Reported by: Gary Lin.
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References: bnc#841426
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Patch-Mainline: yes
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Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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---
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grub-core/kern/x86_64/efi/callwrap.S | 52 ++++++++++++++++++------------------
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1 file changed, 26 insertions(+), 26 deletions(-)
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diff --git a/grub-core/kern/x86_64/efi/callwrap.S b/grub-core/kern/x86_64/efi/callwrap.S
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index 2df95dd..1337fd9 100644
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--- a/grub-core/kern/x86_64/efi/callwrap.S
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+++ b/grub-core/kern/x86_64/efi/callwrap.S
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@@ -36,94 +36,94 @@
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.text
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FUNCTION(efi_wrap_0)
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- subq $48, %rsp
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+ subq $40, %rsp
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call *%rdi
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- addq $48, %rsp
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+ addq $40, %rsp
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ret
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FUNCTION(efi_wrap_1)
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- subq $48, %rsp
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+ subq $40, %rsp
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mov %rsi, %rcx
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call *%rdi
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- addq $48, %rsp
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+ addq $40, %rsp
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ret
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FUNCTION(efi_wrap_2)
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- subq $48, %rsp
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+ subq $40, %rsp
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mov %rsi, %rcx
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call *%rdi
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- addq $48, %rsp
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+ addq $40, %rsp
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ret
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FUNCTION(efi_wrap_3)
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- subq $48, %rsp
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+ subq $40, %rsp
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mov %rcx, %r8
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mov %rsi, %rcx
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call *%rdi
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- addq $48, %rsp
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+ addq $40, %rsp
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ret
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FUNCTION(efi_wrap_4)
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- subq $48, %rsp
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+ subq $40, %rsp
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mov %r8, %r9
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mov %rcx, %r8
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mov %rsi, %rcx
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call *%rdi
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- addq $48, %rsp
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+ addq $40, %rsp
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ret
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FUNCTION(efi_wrap_5)
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- subq $48, %rsp
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+ subq $40, %rsp
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mov %r9, 32(%rsp)
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mov %r8, %r9
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mov %rcx, %r8
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mov %rsi, %rcx
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call *%rdi
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- addq $48, %rsp
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+ addq $40, %rsp
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ret
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FUNCTION(efi_wrap_6)
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- subq $64, %rsp
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- mov 64+8(%rsp), %rax
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+ subq $56, %rsp
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+ mov 56+8(%rsp), %rax
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mov %rax, 40(%rsp)
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mov %r9, 32(%rsp)
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mov %r8, %r9
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mov %rcx, %r8
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mov %rsi, %rcx
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call *%rdi
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- addq $64, %rsp
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+ addq $56, %rsp
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ret
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FUNCTION(efi_wrap_7)
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- subq $96, %rsp
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- mov 96+16(%rsp), %rax
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+ subq $88, %rsp
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+ mov 88+16(%rsp), %rax
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mov %rax, 48(%rsp)
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- mov 96+8(%rsp), %rax
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+ mov 88+8(%rsp), %rax
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mov %rax, 40(%rsp)
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mov %r9, 32(%rsp)
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mov %r8, %r9
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mov %rcx, %r8
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mov %rsi, %rcx
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call *%rdi
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- addq $96, %rsp
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+ addq $88, %rsp
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ret
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FUNCTION(efi_wrap_10)
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- subq $96, %rsp
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- mov 96+40(%rsp), %rax
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+ subq $88, %rsp
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+ mov 88+40(%rsp), %rax
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mov %rax, 72(%rsp)
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- mov 96+32(%rsp), %rax
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+ mov 88+32(%rsp), %rax
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mov %rax, 64(%rsp)
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- mov 96+24(%rsp), %rax
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+ mov 88+24(%rsp), %rax
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mov %rax, 56(%rsp)
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- mov 96+16(%rsp), %rax
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+ mov 88+16(%rsp), %rax
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mov %rax, 48(%rsp)
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- mov 96+8(%rsp), %rax
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+ mov 88+8(%rsp), %rax
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mov %rax, 40(%rsp)
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mov %r9, 32(%rsp)
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mov %r8, %r9
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mov %rcx, %r8
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mov %rsi, %rcx
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call *%rdi
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- addq $96, %rsp
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+ addq $88, %rsp
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ret
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--
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1.8.1.4
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