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tcg: Introduce tcg_tbrel_diff

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Reviewed-by: Joelle van Dyne <j@getutm.app>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-11-04 16:15:07 -08:00
parent 305daaedf6
commit 44c7197f15
1 changed files with 13 additions and 0 deletions
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13
include/tcg/tcg.h
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@ -1146,6 +1146,19 @@ static inline ptrdiff_t tcg_pcrel_diff(TCGContext *s, const void *target)
return tcg_ptr_byte_diff(target, tcg_splitwx_to_rx(s->code_ptr));
}
/**
* tcg_tbrel_diff
* @s: the tcg context
* @target: address of the target
*
* Produce a difference, from the beginning of the current TB code
* to the destination address.
*/
static inline ptrdiff_t tcg_tbrel_diff(TCGContext *s, const void *target)
{
return tcg_ptr_byte_diff(target, tcg_splitwx_to_rx(s->code_buf));
}
/**
* tcg_current_code_size
* @s: the tcg context