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authorRichard Henderson <richard.henderson@linaro.org>2022-11-26 17:42:11 -0800
committerRichard Henderson <richard.henderson@linaro.org>2023-01-17 09:56:40 -1000
commitbecc452a367aa681ca0c1fcb688ae0f16b32b11f (patch)
tree7867e8461bac8a3fa50acae551cb80a340fcde8b /tcg/tcg.c
parentb52a2c03b7d36694c21d70bcd46d68aaba5b0840 (diff)
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tcg: Introduce get_jmp_target_addr
Similar to the existing set_jmp_reset_offset. Include the rw->rx address space conversion done by arm and s390x, and forgotten by mips and riscv. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/tcg.c')
-rw-r--r--tcg/tcg.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 4092dac..2a14fc2 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -323,6 +323,15 @@ static void G_GNUC_UNUSED set_jmp_insn_offset(TCGContext *s, int which)
s->tb_jmp_insn_offset[which] = tcg_current_code_size(s);
}
+static uintptr_t G_GNUC_UNUSED get_jmp_target_addr(TCGContext *s, int which)
+{
+ /*
+ * Return the read-execute version of the pointer, for the benefit
+ * of any pc-relative addressing mode.
+ */
+ return (uintptr_t)tcg_splitwx_to_rx(&s->tb_jmp_target_addr[which]);
+}
+
/* Signal overflow, starting over with fewer guest insns. */
static G_NORETURN
void tcg_raise_tb_overflow(TCGContext *s)