linux-kernel - [PATCH v2 1/5] export_report: Rehabilitate script

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Message-ID: <20231118025748.2778044-2-mmaurer@google.com>
Date:   Sat, 18 Nov 2023 02:54:42 +0000
From:   Matthew Maurer <mmaurer@...gle.com>
To:     Masahiro Yamada <masahiroy@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Miguel Ojeda <ojeda@...nel.org>, Gary Guo <gary@...yguo.net>,
        Luis Chamberlain <mcgrof@...nel.org>
Cc:     Nathan Chancellor <nathan@...nel.org>,
        Nicolas Schier <nicolas@...sle.eu>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-modules@...r.kernel.org, linux-kbuild@...r.kernel.org,
        rust-for-linux@...r.kernel.org, Laura Abbott <laura@...bott.name>,
        Matthew Maurer <mmaurer@...gle.com>
Subject: [PATCH v2 1/5] export_report: Rehabilitate script

* modules.order has .o files when in a build dir, support this
* .mod.c source layout has changed, update regexes to match
* Add a stage 3, to be more robust against additional .mod.c content

Signed-off-by: Matthew Maurer <mmaurer@...gle.com>
---
 scripts/export_report.pl | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/scripts/export_report.pl b/scripts/export_report.pl
index feb3d5542a62..dcef915405f3 100755
--- a/scripts/export_report.pl
+++ b/scripts/export_report.pl
@@ -55,6 +55,7 @@ sub collectcfiles {
     open my $fh, '< modules.order' or die "cannot open modules.order: $!\n";
     while (<$fh>) {
 	s/\.ko$/.mod.c/;
+	s/\.o$/.mod.c/;
 	push (@file, $_)
     }
     close($fh);
@@ -120,10 +121,14 @@ foreach my $thismod (@allcfiles) {
 			next;
 		}
 		if ($state == 1) {
-			$state = 2 if ($_ =~ /__attribute__\(\(section\("__versions"\)\)\)/);
+			$state = 2 if ($_ =~ /__used __section\("__versions"\)/);
 			next;
 		}
 		if ($state == 2) {
+			if ( $_ =~ /};/ ) {
+				$state = 3;
+				next;
+			}
 			if ( $_ !~ /0x[0-9a-f]+,/ ) {
 				next;
 			}
@@ -133,7 +138,7 @@ foreach my $thismod (@allcfiles) {
 			push(@{$MODULE{$thismod}} , $sym);
 		}
 	}
-	if ($state != 2) {
+	if ($state != 3) {
 		warn "WARNING:$thismod is not built with CONFIG_MODVERSIONS enabled\n";
 		$modversion_warnings++;
 	}
-- 
2.43.0.rc0.421.g78406f8d94-goog