Tested on x86_64-darwin, powerpc64le-linux, OK for trunk?
thanks
Iain
--- 8< ---
This recognises the .section __GNU_LTO, segment prefix used by Darwin
to skip LTO sections there and splits this into a separate function
since it is used several times.
PR testsuite/112728
gcc/testsuite/ChangeLog:
* lib/scanasm.exp (remove_lto_sections): New.
Signed-off-by: Iain Sandoe <i...@sandoe.co.uk>
---
gcc/testsuite/lib/scanasm.exp | 33 ++++++++++++++++++++++++---------
1 file changed, 24 insertions(+), 9 deletions(-)
diff --git a/gcc/testsuite/lib/scanasm.exp b/gcc/testsuite/lib/scanasm.exp
index 51952a6a7f4..21b9cae734c 100644
--- a/gcc/testsuite/lib/scanasm.exp
+++ b/gcc/testsuite/lib/scanasm.exp
@@ -37,6 +37,21 @@ proc append_encoding_arg { args enc } {
return $args
}
+# Remove LTO-prefixed sections from TEXT.
+
+proc remove_lto_sections { text } {
+ set p1 {(^|\n)[[:space:]]*\.section[[:space:]]*"?}
+ set lto_sect_prefix {\.gnu\.lto_}
+ set p3 {(?:[^\n]*\n(?![[:space:]]*\.(section|text|data|bss)))*[^\n]*\n}
+ if { [istarget *-*-darwin*] } {
+ # Darwin/Mach-O LTO sections are in the __GNU_LTO segment.
+ set lto_sect_prefix {__GNU_LTO}
+ }
+ set patt ${p1}${lto_sect_prefix}${p3}
+ regsub -all ${patt} $text {\1} text
+ return $text
+}
+
# Scan the OUTPUT_FILE for a pattern. If it is present and POSITIVE
# is non-zero, or it is not present and POSITIVE is zero, the test
# passes. The ORIG_ARGS is the list of arguments provided by dg-final
@@ -80,10 +95,8 @@ proc dg-scan { name positive testcase output_file orig_args
} {
set text [read $fd]
close $fd
if { [string compare -length 14 $name scan-assembler] == 0 } {
- # Remove LTO sections.
- # ??? Somehow, .*? is still greedy.
- # regsub -all
{(^|\n)[[:space:]]*\.section[[:space:]]*"?\.gnu\.lto_.*?\n(?=[[:space:]]*\.text\n)}
$text {\1} text
- regsub -all
{(^|\n)[[:space:]]*\.section[[:space:]]*"?\.gnu\.lto_(?:[^\n]*\n(?![[:space:]]*\.(section|text|data|bss)))*[^\n]*\n}
$text {\1} text
+ # Remove LTO sections.
+ set text [remove_lto_sections $text]
}
set match [regexp -- $pattern $text]
@@ -503,8 +516,8 @@ proc scan-assembler-times { args } {
set fd [open $output_file r]
set text [read $fd]
close $fd
- regsub -all
{(^|\n)[[:space:]]*\.section[[:space:]]*"?\.gnu\.lto_(?:[^\n]*\n(?![[:space:]]*\.(section|text|data|bss)))*[^\n]*\n}
$text {\1} text
-
+ # Remove LTO sections.
+ set text [remove_lto_sections $text]
set result_count [regexp -all -- $pattern $text]
if {$result_count == $times} {
pass "$testcase scan-assembler-times $pp_pattern $times"
@@ -567,7 +580,8 @@ proc scan-assembler-bound { args } {
set fd [open $output_file r]
set text [read $fd]
close $fd
- regsub -all
{(^|\n)[[:space:]]*\.section[[:space:]]*"?\.gnu\.lto_(?:[^\n]*\n(?![[:space:]]*\.(section|text|data|bss)))*[^\n]*\n}
$text {\1} text
+ set text [remove_lto_sections $text]
+ regsub -all ${patt} $text {\1} text
set result_count [regexp -all -- $pattern $text]
if [expr $result_count $cmp $bound] {
@@ -629,7 +643,8 @@ proc scan-assembler-dem { args } {
set output [remote_exec host "$cxxfilt" "" "$output_file"]
set text [lindex $output 1]
- regsub -all
{(^|\n)[[:space:]]*\.section[[:space:]]*"?\.gnu\.lto_(?:[^\n]*\n(?![[:space:]]*\.(section|text|data|bss)))*[^\n]*\n}
$text {\1} text
+ set text [remove_lto_sections $text]
+ regsub -all ${patt} $text {\1} text
if [regexp -- $pattern $text] {
pass "$testcase scan-assembler-dem $pp_pattern"
@@ -686,7 +701,7 @@ proc scan-assembler-dem-not { args } {
set output [remote_exec host "$cxxfilt" "" "$output_file"]
set text [lindex $output 1]
- regsub -all
{(^|\n)[[:space:]]*\.section[[:space:]]*"?\.gnu\.lto_(?:[^\n]*\n(?![[:space:]]*\.(section|text|data|bss)))*[^\n]*\n}
$text {\1} text
+ set text [remove_lto_sections $text]
if ![regexp -- $pattern $text] {
pass "$testcase scan-assembler-dem-not $pp_pattern"
--
2.39.2 (Apple Git-143)
