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* [gcc r13-2528] Restore detection of HAVE_XCOFF_DWARF_EXTRAS
@ 2022-09-07 17:42 Martin Liska
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From: Martin Liska @ 2022-09-07 17:42 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:b8cd1630d0f66086dac1c6233e18e58967a18904
commit r13-2528-gb8cd1630d0f66086dac1c6233e18e58967a18904
Author: Martin Liska <mliska@suse.cz>
Date: Wed Sep 7 16:33:59 2022 +0200
Restore detection of HAVE_XCOFF_DWARF_EXTRAS
gcc/ChangeLog:
* configure.ac: Restore detection of HAVE_XCOFF_DWARF_EXTRAS.
* config/rs6000/rs6000.cc (HAVE_XCOFF_DWARF_EXTRAS): Reset it.
* configure: Regenerate.
* config.in: Regenerate.
Diff:
---
gcc/config.in | 7 +++++++
gcc/config/rs6000/rs6000.cc | 5 +++++
gcc/configure | 35 +++++++++++++++++++++++++++++++++++
gcc/configure.ac | 9 +++++++++
4 files changed, 56 insertions(+)
diff --git a/gcc/config.in b/gcc/config.in
index 9c53319b544..6ac17be189e 100644
--- a/gcc/config.in
+++ b/gcc/config.in
@@ -2099,6 +2099,13 @@
#endif
+/* Define if your assembler supports AIX debug frame section label reference.
+ */
+#ifndef USED_FOR_TARGET
+#undef HAVE_XCOFF_DWARF_EXTRAS
+#endif
+
+
/* Define if you have a working <zstd.h> header file. */
#ifndef USED_FOR_TARGET
#undef HAVE_ZSTD_H
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 7623d69a8c0..a656cb32a47 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -20946,6 +20946,11 @@ rs6000_elf_file_end (void)
#if TARGET_XCOFF
+#ifndef HAVE_XCOFF_DWARF_EXTRAS
+#define HAVE_XCOFF_DWARF_EXTRAS 0
+#endif
+
+
/* Names of bss and data sections. These should be unique names for each
compilation unit. */
diff --git a/gcc/configure b/gcc/configure
index 39f7ed129a4..817d765568e 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -28142,6 +28142,41 @@ if test $gcc_cv_as_aix_ref = yes; then
$as_echo "#define HAVE_AS_REF 1" >>confdefs.h
+fi
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for AIX DWARF location lists section support" >&5
+$as_echo_n "checking assembler for AIX DWARF location lists section support... " >&6; }
+if ${gcc_cv_as_aix_dwloc+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ gcc_cv_as_aix_dwloc=no
+ if test x$gcc_cv_as != x; then
+ $as_echo ' .dwsect 0xA0000
+ Lframe..0:
+ .vbyte 4,Lframe..0
+ ' > conftest.s
+ if { ac_try='$gcc_cv_as $gcc_cv_as_flags -o conftest.o conftest.s >&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ gcc_cv_as_aix_dwloc=yes
+ else
+ echo "configure: failed program was" >&5
+ cat conftest.s >&5
+ fi
+ rm -f conftest.o conftest.s
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_aix_dwloc" >&5
+$as_echo "$gcc_cv_as_aix_dwloc" >&6; }
+if test $gcc_cv_as_aix_dwloc = yes; then
+
+$as_echo "#define HAVE_XCOFF_DWARF_EXTRAS 1" >>confdefs.h
+
fi
;;
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 50bb61c1b61..59f205a1781 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -5066,6 +5066,15 @@ LCF0:
],,
[AC_DEFINE(HAVE_AS_REF, 1,
[Define if your assembler supports .ref])])
+
+ gcc_GAS_CHECK_FEATURE([AIX DWARF location lists section support],
+ gcc_cv_as_aix_dwloc,,
+ [ .dwsect 0xA0000
+ Lframe..0:
+ .vbyte 4,Lframe..0
+ ],,
+ [AC_DEFINE(HAVE_XCOFF_DWARF_EXTRAS, 1,
+ [Define if your assembler supports AIX debug frame section label reference.])])
;;
esac
;;
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