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From ae27211cbbfb63a0ad3c141cd1310d7f583ec40e Mon Sep 17 00:00:00 2001
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From: Mark Wielaard <mark@klomp.org>
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Date: Fri, 30 Jul 2021 18:09:46 +0200
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Subject: [PATCH] tests: Handle zero directory entry in .debug_line DWARF5
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debugedit.at
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We were skipping the zero directory entry, because it was always
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the same as the directory entry at position one. But that isn't
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true anymore with gcc 11.2.1. There the zero dir entry is unique.
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Fix the debugedit.at .debug_line testcases using DWARF5 to also
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include dir entry zero.
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Signed-off-by: Mark Wielaard <mark@klomp.org>
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---
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configure.ac | 14 ++++++++++++++
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tests/atlocal.in | 1 +
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tests/debugedit.at | 18 ++++++++++++------
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3 files changed, 27 insertions(+), 6 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index e5c9230..6a53365 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -87,6 +87,20 @@ CFLAGS="$save_CFLAGS"
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GDWARF_5_FLAG=$ac_cv_gdwarf_5
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AC_SUBST([GDWARF_5_FLAG])
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+AC_CACHE_CHECK([whether -gdwarf-5 produced DWARF5 .debug_line], ac_cv_dwarf_5_debugline, [dnl
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+save_CFLAGS="$CFLAGS"
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+CFLAGS="-gdwarf-5"
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+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i=0;]],[[/* empty main */]])],
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+ [if readelf --debug-dump=line conftest.o 2>&1 | \
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+ grep "DWARF Version:" 2>&1 | grep "5" > /dev/null 2>&1; \
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+ then ac_cv_dwarf_5_debugline=yes; \
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+ else ac_cv_dwarf_5_debugline=no; fi],
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+ ac_cv_dwarf_5_debugline=no)
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+CFLAGS="$save_CFLAGS"
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+])
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+DWARF_5_DEBUGLINE=$ac_cv_dwarf_5_debugline
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+AC_SUBST([DWARF_5_DEBUGLINE])
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+
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AC_CACHE_CHECK([whether gcc supports -gz=none], ac_cv_gz_none, [dnl
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save_CFLAGS="$CFLAGS"
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CFLAGS="-gz=none"
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diff --git a/tests/atlocal.in b/tests/atlocal.in
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index 8399f8d..d916301 100644
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--- a/tests/atlocal.in
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+++ b/tests/atlocal.in
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@@ -13,3 +13,4 @@ READELF="@READELF@"
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GDWARF_5_FLAG=@GDWARF_5_FLAG@
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GZ_NONE_FLAG=@GZ_NONE_FLAG@
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+DWARF_5_DEBUGLINE=@DWARF_5_DEBUGLINE@
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diff --git a/tests/debugedit.at b/tests/debugedit.at
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index 0311d26..725e68e 100644
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--- a/tests/debugedit.at
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+++ b/tests/debugedit.at
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@@ -488,10 +488,12 @@ AT_CLEANUP
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AT_SETUP([debugedit .debug_line objects DWARF5])
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AT_KEYWORDS([debuginfo] [debugedit])
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AT_SKIP_IF([test "$GDWARF_5_FLAG" = "no"])
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+AT_SKIP_IF([test "$DWARF_5_DEBUGLINE" = "no"])
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DEBUGEDIT_SETUP([-gdwarf-5])
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AT_DATA([expout],
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[foo/bar/baz
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+foo/bar/baz/subdir_bar
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foo/bar/baz/subdir_headers
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])
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@@ -500,8 +502,8 @@ AT_CHECK([[debugedit -b $(pwd) -d /foo/bar/baz ./subdir_bar/bar.o]])
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AT_CHECK([[debugedit -b $(pwd) -d /foo/bar/baz ./baz.o]])
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AT_CHECK([[
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readelf --debug-dump=line foo.o subdir_bar/bar.o baz.o \
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- | grep -A5 "The Directory Table" | grep "^ [123]" \
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- | cut -f2- -d/ | grep ^foo/ | sort
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+ | grep -A5 "The Directory Table" | grep "^ [0123]" \
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+ | cut -f2- -d/ | grep ^foo/ | sort -u
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]],[0],[expout])
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AT_CLEANUP
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@@ -535,18 +537,20 @@ AT_CLEANUP
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AT_SETUP([debugedit .debug_line partial DWARF5])
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AT_KEYWORDS([debuginfo] [debugedit])
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AT_SKIP_IF([test "$GDWARF_5_FLAG" = "no"])
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+AT_SKIP_IF([test "$DWARF_5_DEBUGLINE" = "no"])
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DEBUGEDIT_SETUP([-gdwarf-5])
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AT_DATA([expout],
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[foo/bar/baz
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+foo/bar/baz/subdir_bar
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foo/bar/baz/subdir_headers
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])
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AT_CHECK([[debugedit -b $(pwd) -d /foo/bar/baz ./foobarbaz.part.o]])
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AT_CHECK([[
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readelf --debug-dump=line ./foobarbaz.part.o \
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- | grep -A5 "The Directory Table" | grep "^ [123]" \
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- | cut -f2- -d/ | grep ^foo/ | sort
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+ | grep -A5 "The Directory Table" | grep "^ [0123]" \
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+ | cut -f2- -d/ | grep ^foo/ | sort -u
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]],[0],[expout])
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AT_CLEANUP
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@@ -580,18 +584,20 @@ AT_CLEANUP
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AT_SETUP([debugedit .debug_line exe DWARF5])
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AT_KEYWORDS([debuginfo] [debugedit])
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AT_SKIP_IF([test "$GDWARF_5_FLAG" = "no"])
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+AT_SKIP_IF([test "$DWARF_5_DEBUGLINE" = "no"])
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DEBUGEDIT_SETUP([-gdwarf-5])
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AT_DATA([expout],
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[foo/bar/baz
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+foo/bar/baz/subdir_bar
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foo/bar/baz/subdir_headers
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])
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AT_CHECK([[debugedit -b $(pwd) -d /foo/bar/baz ./foobarbaz.exe]])
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AT_CHECK([[
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readelf --debug-dump=line ./foobarbaz.exe \
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- | grep -A5 "The Directory Table" | grep "^ [123]" \
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- | cut -f2- -d/ | grep ^foo/ | sort
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+ | grep -A5 "The Directory Table" | grep "^ [0123]" \
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+ | cut -f2- -d/ | grep ^foo/ | sort -u
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]],[0],[expout])
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AT_CLEANUP
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--
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2.27.0
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