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authorMarkus Metzger <markus.t.metzger@intel.com>2020-12-21 08:34:25 +0100
committerMarkus Metzger <markus.t.metzger@intel.com>2021-03-03 09:07:49 +0100
commitb93a3ed0a8561cb8f9541eca975e8c76f728d86c (patch)
tree79c01f555f1aaa11ad3c86e574d092d05bcab09a /gdb
parentfd5c076a06d88dc53e56a17d43ea4ad5e27515a0 (diff)
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testsuite: extend nopie handling to add -fno-pie to compiler flags
Some older GCC, e.g. 7.5.0 on Ubuntu 18.04 need -fno-pie to be passed to the compiler in addition to -no-pie to be passed to the linker for non-pie code generation. The gdb,nopie_flag is already documented as getting passed to the compiler, not the linker. Use that for the new -fno-pie compiler flag and add a new gdb,nopie_ldflag for the existing -no-pie linker flag. CAUTION: this might break existing board files that specify gdb,nopie_flag. Affected board files need to rename gdb,nopie_flag into gdb,nopie_ldflag.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/testsuite/ChangeLog5
-rw-r--r--gdb/testsuite/README5
-rw-r--r--gdb/testsuite/lib/gdb.exp15
3 files changed, 21 insertions, 4 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 4f7bdbf..9bc6995 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2021-03-03 Markus Metzger <markus.t.metzger@intel.com>
+
+ * README (Note): Add nopie_ldflag.
+ * lib/gdb.exp (gdb_compile): Extend nopie handling.
+
2021-03-02 Tom Tromey <tromey@adacore.com>
* gdb.ada/fixed_points.exp: Remove most special cases for minimal
diff --git a/gdb/testsuite/README b/gdb/testsuite/README
index f3c2642..0036753 100644
--- a/gdb/testsuite/README
+++ b/gdb/testsuite/README
@@ -528,6 +528,11 @@ gdb,nopie_flag
The flag required to force the compiler to produce non-position-independent
executables.
+gdb,nopie_ldflag
+
+ The flag required to force the linker to produce non-position-independent
+ executables.
+
gdb,debug
When set gdb debug is sent to the file gdb.debug in the test output
diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index 7480bd5..0496ca2 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -4210,16 +4210,23 @@ proc gdb_compile {source dest type options} {
lappend options "$flag"
}
- # Replace the "nopie" option with the appropriate linker flag to disable
- # PIE executables. There are no compiler flags for this option.
+ # Replace the "nopie" option with the appropriate compiler and linker
+ # flags to disable PIE executables.
set nopie [lsearch -exact $options nopie]
if {$nopie != -1} {
if [target_info exists gdb,nopie_flag] {
- set flag "ldflags=[target_info gdb,nopie_flag]"
+ set flag "additional_flags=[target_info gdb,nopie_flag]"
} else {
- set flag "ldflags=-no-pie"
+ set flag "additional_flags=-fno-pie"
}
set options [lreplace $options $nopie $nopie $flag]
+
+ if [target_info exists gdb,nopie_ldflag] {
+ set flag "ldflags=[target_info gdb,nopie_ldflag]"
+ } else {
+ set flag "ldflags=-no-pie"
+ }
+ lappend options "$flag"
}
if { $type == "executable" } {