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2009-06-04 Vladimir Serbinenko <phcoder@gmail.com>

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Address in trampolines based on 32-bit registers when compiled
	with Apple's CC

	* loader/i386/xnu_helper.S [APPLE_CC]: use 32-bit registers 
	for addresses
	* loader/i386/linux_trampoline.S [APPLE_CC]: likewise
This commit is contained in:
phcoder committed 2009-06-04 21:21:31 +00:00
1 parent 6c68847712
commit e93cdc3db1
3 files changed
+45
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loader/i386/linux_trampoline.S
+17
View File
@@ -30,7 +30,22 @@ VARIABLE(grub_linux_trampoline_start)
call base
base:
pop %rsi
#ifdef APPLE_CC
lea (cont1 - base) (%esi, 1), %rax
mov %eax, (jump_vector - base) (%esi, 1)
lea (gdt - base) (%esi, 1), %rax
mov %rax, (gdtaddr - base) (%esi, 1)
/* Switch to compatibility mode. */
lidt (idtdesc - base) (%esi, 1)
lgdt (gdtdesc - base) (%esi, 1)
/* Update %cs. Thanks to David Miller for pointing this mistake out. */
ljmp *(jump_vector - base) (%esi, 1)
#else
lea (cont1 - base) (%rsi, 1), %rax
mov %eax, (jump_vector - base) (%rsi, 1)
@@ -44,6 +59,8 @@ base:
/* Update %cs. Thanks to David Miller for pointing this mistake out. */
ljmp *(jump_vector - base) (%rsi, 1)
#endif
cont1:
.code32