git: f4432625edd6 - main - acpica: Quiet a -Wdangling-pointer warning in AcpiUtInitStackPtrTrace.
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Date: Mon, 05 Dec 2022 00:30:35 UTC
The branch main has been updated by jhb:
URL: https://cgit.FreeBSD.org/src/commit/?id=f4432625edd64df94ce7c2a085f256dbc4d2b215
commit f4432625edd64df94ce7c2a085f256dbc4d2b215
Author: John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-12-05 00:28:59 +0000
Commit: John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-12-05 00:28:59 +0000
acpica: Quiet a -Wdangling-pointer warning in AcpiUtInitStackPtrTrace.
This function intentionally saves a pointer to an on-stack variable in
a global as a dubious way of reading the stack pointer.
Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D37535
---
usr.sbin/acpi/acpidb/Makefile | 4 ++++
usr.sbin/acpi/iasl/Makefile | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/usr.sbin/acpi/acpidb/Makefile b/usr.sbin/acpi/acpidb/Makefile
index 892f1e8c0cdb..ca9c90f26469 100644
--- a/usr.sbin/acpi/acpidb/Makefile
+++ b/usr.sbin/acpi/acpidb/Makefile
@@ -90,3 +90,7 @@ LIBADD= pthread
.if ${COMPILER_TYPE} == "clang"
CWARNFLAGS+= -Wno-null-pointer-arithmetic
.endif
+
+# AcpiUtInitStackPtrTrace intentionally leaks a pointer to an
+# on-stack variable.
+CWARNFLAGS.utdebug.c+= ${NO_WDANGLING_POINTER}
diff --git a/usr.sbin/acpi/iasl/Makefile b/usr.sbin/acpi/iasl/Makefile
index 15b6d7a03c3d..6b95cc1d7457 100644
--- a/usr.sbin/acpi/iasl/Makefile
+++ b/usr.sbin/acpi/iasl/Makefile
@@ -147,4 +147,8 @@ prparserparse.c prparserparse.h: prparser.y
prparser.y.h: prparserparse.h .NOMETA
ln -f ${.ALLSRC} ${.TARGET}
+# AcpiUtInitStackPtrTrace intentionally leaks a pointer to an
+# on-stack variable.
+CWARNFLAGS.utdebug.c+= ${NO_WDANGLING_POINTER}
+
.include <bsd.prog.mk>