46 lines
1.5 KiB
Diff
46 lines
1.5 KiB
Diff
From 313464947382fab07299af0061f419a55540356a Mon Sep 17 00:00:00 2001
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From: Tomasz Konojacki <me@xenu.pl>
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Date: Mon, 27 Apr 2020 08:31:47 +0200
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Subject: [PATCH] XSUB.h: fix MARK and items variables inside BOOT XSUBs
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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ax was incremented by Perl_xs_handshake() and because of that
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MARK and items were off by one inside BOOT XSUBs.
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fixes #17755
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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XSUB.h | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/XSUB.h b/XSUB.h
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index e3147ce9fb..5f17a5acde 100644
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--- a/XSUB.h
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+++ b/XSUB.h
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@@ -160,16 +160,16 @@ is a lexical C<$_> in scope.
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PL_xsubfilename. */
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#define dXSBOOTARGSXSAPIVERCHK \
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I32 ax = XS_BOTHVERSION_SETXSUBFN_POPMARK_BOOTCHECK; \
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- SV **mark = PL_stack_base + ax; dSP; dITEMS
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+ SV **mark = PL_stack_base + ax - 1; dSP; dITEMS
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#define dXSBOOTARGSAPIVERCHK \
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I32 ax = XS_APIVERSION_SETXSUBFN_POPMARK_BOOTCHECK; \
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- SV **mark = PL_stack_base + ax; dSP; dITEMS
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+ SV **mark = PL_stack_base + ax - 1; dSP; dITEMS
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/* dXSBOOTARGSNOVERCHK has no API in xsubpp to choose it so do
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#undef dXSBOOTARGSXSAPIVERCHK
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#define dXSBOOTARGSXSAPIVERCHK dXSBOOTARGSNOVERCHK */
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#define dXSBOOTARGSNOVERCHK \
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I32 ax = XS_SETXSUBFN_POPMARK; \
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- SV **mark = PL_stack_base + ax; dSP; dITEMS
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+ SV **mark = PL_stack_base + ax - 1; dSP; dITEMS
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#define dXSTARG SV * const targ = ((PL_op->op_private & OPpENTERSUB_HASTARG) \
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? PAD_SV(PL_op->op_targ) : sv_newmortal())
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--
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2.25.4
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