public inbox for gdb-cvs@sourceware.org
help / color / mirror / Atom feed
* [binutils-gdb] [gdb/testsuite] Require address update for DW_LNS_copy
@ 2024-04-17 10:54 Tom de Vries
0 siblings, 0 replies; only message in thread
From: Tom de Vries @ 2024-04-17 10:54 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=4f24b90aba691182e5093a6450e30fcb7d5dd803
commit 4f24b90aba691182e5093a6450e30fcb7d5dd803
Author: Tom de Vries <tdevries@suse.de>
Date: Wed Apr 17 12:55:00 2024 +0200
[gdb/testsuite] Require address update for DW_LNS_copy
No address update before a DW_LNS_copy might mean an incorrect dwarf
assembly test-case.
Try to catch such incorrect dwarf assembly test-cases by:
- requiring an explicit address update for each DW_LNS_copy, and
- handling the cases where an update is indeed not needed, by adding
"DW_LNS_advance_pc 0".
Tested on aarch64-linux.
Diff:
---
| 1 +
| 1 +
| 1 +
gdb/testsuite/gdb.dwarf2/dw2-inline-small-func.exp | 3 +++
gdb/testsuite/gdb.dwarf2/imported-unit-bp.exp.tcl | 1 +
gdb/testsuite/gdb.dwarf2/locexpr-data-member-location.exp | 6 ++++++
gdb/testsuite/lib/dwarf.exp | 3 +++
7 files changed, 16 insertions(+)
--git a/gdb/testsuite/gdb.dwarf2/dw2-inline-header-1.exp b/gdb/testsuite/gdb.dwarf2/dw2-inline-header-1.exp
index 5268e7815ad..6d12e968f41 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-inline-header-1.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-inline-header-1.exp
@@ -129,6 +129,7 @@ proc do_test { start_label func_name tag } {
DW_LNS_advance_line 1
DW_LNS_copy
+ DW_LNS_advance_pc 0
DW_LNS_advance_line -4
DW_LNS_set_file 1
DW_LNS_negate_stmt
--git a/gdb/testsuite/gdb.dwarf2/dw2-inline-header-2.exp b/gdb/testsuite/gdb.dwarf2/dw2-inline-header-2.exp
index d3a1fd38ed2..6a5f7d6dd76 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-inline-header-2.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-inline-header-2.exp
@@ -119,6 +119,7 @@ Dwarf::assemble $asm_file {
DW_LNS_advance_line 1
DW_LNS_copy
+ DW_LNS_advance_pc 0
DW_LNS_advance_line -4
DW_LNS_set_file 1
DW_LNS_negate_stmt
--git a/gdb/testsuite/gdb.dwarf2/dw2-inline-header-3.exp b/gdb/testsuite/gdb.dwarf2/dw2-inline-header-3.exp
index 66d9f645cf3..b3db154db25 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-inline-header-3.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-inline-header-3.exp
@@ -108,6 +108,7 @@ Dwarf::assemble $asm_file {
DW_LNS_advance_line 1
DW_LNS_copy
+ DW_LNS_advance_pc 0
DW_LNS_advance_line -4
DW_LNS_set_file 1
DW_LNS_negate_stmt
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-inline-small-func.exp b/gdb/testsuite/gdb.dwarf2/dw2-inline-small-func.exp
index b117c8910f0..ed7166983d5 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-inline-small-func.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-inline-small-func.exp
@@ -91,13 +91,16 @@ Dwarf::assemble $asm_file {
line $f1_l1
DW_LNS_copy
+ DW_LNS_advance_pc 0
line ${f1_l2}
DW_LNS_copy
+ DW_LNS_advance_pc 0
DW_LNS_set_file 2
line ${f2_l1}
DW_LNS_copy
+ DW_LNS_advance_pc 0
DW_LNS_negate_stmt
DW_LNS_copy
diff --git a/gdb/testsuite/gdb.dwarf2/imported-unit-bp.exp.tcl b/gdb/testsuite/gdb.dwarf2/imported-unit-bp.exp.tcl
index 4f59c9b2639..968378620a0 100644
--- a/gdb/testsuite/gdb.dwarf2/imported-unit-bp.exp.tcl
+++ b/gdb/testsuite/gdb.dwarf2/imported-unit-bp.exp.tcl
@@ -96,6 +96,7 @@ Dwarf::assemble $asm_file {
DW_LNS_advance_line 1
DW_LNS_copy
+ DW_LNS_advance_pc 0
DW_LNS_advance_line -4
DW_LNS_negate_stmt
DW_LNS_copy
diff --git a/gdb/testsuite/gdb.dwarf2/locexpr-data-member-location.exp b/gdb/testsuite/gdb.dwarf2/locexpr-data-member-location.exp
index a1c0e7705b3..2001b28989f 100644
--- a/gdb/testsuite/gdb.dwarf2/locexpr-data-member-location.exp
+++ b/gdb/testsuite/gdb.dwarf2/locexpr-data-member-location.exp
@@ -278,9 +278,12 @@ Dwarf::assemble ${asm_file} {
DW_LNE_set_address $foo_start
line [gdb_get_line_number "foo prologue" $libsrc]
DW_LNS_copy
+
DW_LNE_set_address foo_label
line [gdb_get_line_number "foo return" $libsrc]
DW_LNS_copy
+
+ DW_LNS_advance_pc 0
line [gdb_get_line_number "foo end" $libsrc]
DW_LNS_copy
@@ -291,9 +294,12 @@ Dwarf::assemble ${asm_file} {
DW_LNE_set_address $bar_start
line [gdb_get_line_number "bar prologue" $libsrc]
DW_LNS_copy
+
DW_LNE_set_address bar_label
line [gdb_get_line_number "bar return" $libsrc]
DW_LNS_copy
+
+ DW_LNS_advance_pc 0
line [gdb_get_line_number "bar end" $libsrc]
DW_LNS_copy
diff --git a/gdb/testsuite/lib/dwarf.exp b/gdb/testsuite/lib/dwarf.exp
index 816440f975f..254f88f1055 100644
--- a/gdb/testsuite/lib/dwarf.exp
+++ b/gdb/testsuite/lib/dwarf.exp
@@ -2601,6 +2601,9 @@ namespace eval Dwarf {
proc DW_LNS_copy {} {
variable _line_address_update
+ if { $_line_address_update == 0 } {
+ error "Missing address update for copy"
+ }
set _line_address_update 0
_op .byte 1
}
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2024-04-17 10:54 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-04-17 10:54 [binutils-gdb] [gdb/testsuite] Require address update for DW_LNS_copy Tom de Vries
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).