38 lines
1.3 KiB
Diff
38 lines
1.3 KiB
Diff
From 9a4f545e4526f946613548a427fcab4c2a089ac0 Mon Sep 17 00:00:00 2001
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From: Aurelien Jarno <aurelien@aurel32.net>
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Date: Fri, 21 Sep 2012 18:20:26 +0200
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Subject: [PATCH] tcg/mips: don't use global pointer
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Don't use the global pointer in TCG, in case helpers try access global
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variables.
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Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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tcg/mips/tcg-target.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/tcg/mips/tcg-target.c b/tcg/mips/tcg-target.c
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index 8b38f98..0ea6a76 100644
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--- a/tcg/mips/tcg-target.c
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+++ b/tcg/mips/tcg-target.c
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@@ -1529,7 +1529,6 @@ static int tcg_target_callee_save_regs[] = {
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TCG_REG_S5,
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TCG_REG_S6,
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TCG_REG_S7,
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- TCG_REG_GP,
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TCG_REG_FP,
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TCG_REG_RA, /* should be last for ABI compliance */
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};
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@@ -1595,6 +1594,7 @@ static void tcg_target_init(TCGContext *s)
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tcg_regset_set_reg(s->reserved_regs, TCG_REG_T0); /* internal use */
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tcg_regset_set_reg(s->reserved_regs, TCG_REG_RA); /* return address */
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tcg_regset_set_reg(s->reserved_regs, TCG_REG_SP); /* stack pointer */
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+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_GP); /* global pointer */
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tcg_add_target_add_op_defs(mips_op_defs);
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tcg_set_frame(s, TCG_AREG0, offsetof(CPUArchState, temp_buf),
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--
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1.7.12.1
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