From: Jan Beulich <jbeulich@suse.com>
To: Binutils <binutils@sourceware.org>
Subject: [PATCH 3/5] gas: add Dwarf line number test for .macro expansions
Date: Tue, 29 Nov 2022 11:37:42 +0100 [thread overview]
Message-ID: <8b41d62d-8345-a2bd-ce90-27d79aefe2eb@suse.com> (raw)
In-Reply-To: <9afdf9c8-323b-78c1-d75b-8964e00cdec5@suse.com>
Before fiddling with the code let's put in place a test covering what
PR/gas 16908 aimed at.
--- /dev/null
+++ b/gas/testsuite/gas/elf/dwarf-5-macro.d
@@ -0,0 +1,27 @@
+#as: --gdwarf-5
+#name: line number entries for .macro expansions
+#readelf: -W -wl
+# The am33 cr16 crx ft32 mn10* msp430 nds32* and rl78 targets do not evaluate the subtraction of symbols at assembly time.
+# The d30v target emits sufficiently different debug info, apparently also covering padding it inserts.
+# The riscv targets do not support the subtraction of symbols.
+#xfail: am33*-* cr16-* crx-* d30v-* ft32-* mn10*-* msp430-* nds32*-* riscv*-* rl78-*
+
+Raw dump of debug contents .*
+#...
+ Line Number Statements:
+.*Extended opcode 2: .*
+.*Advance Line by 10017 to 10018
+.*(Copy|Special opcode .* Address by 0 .* and Line by 0 to 10018)
+.*Special opcode .* and Line by 1 to 10019
+.*Special opcode .* and Line by 1 to 10020
+.*Set File Name to entry 2 .*
+.*Advance Line by -10012 to 8
+.*Special opcode .* and Line by 0 to 8
+.*Set File Name to entry 1 .*
+.*Advance Line by 10018 to 10026
+.*(Advance PC by .*|Special opcode .* and Line by 0 to 10026)
+#...
+.*Special opcode .* and Line by 1 to 10027
+.*Special opcode .* and Line by 1 to 10028
+.*Advance PC by .*
+.*Extended opcode 1: End of Sequence
--- /dev/null
+++ b/gas/testsuite/gas/elf/dwarf-5-macro.s
@@ -0,0 +1,28 @@
+ .macro m1 args:vararg
+ .nop
+ .endm
+
+ .macro m2 args:vararg
+ .file "Line.s"
+ .line 7
+ .nop
+ .endm
+
+ .macro m3 args:vararg
+# 10013 "line.S"
+ .nop
+ .endm
+
+ .text
+macro:
+ m1 1
+ m1 2
+ m1 3
+
+ m2 1
+ m2 2
+ m2 3
+
+ m3 1
+ m3 2
+ m3 3
--- a/gas/testsuite/gas/elf/elf.exp
+++ b/gas/testsuite/gas/elf/elf.exp
@@ -308,6 +308,7 @@ if { [is_elf_format] } then {
run_dump_test "dwarf-5-cu" $dump_opts
run_dump_test "dwarf-5-nop-for-line-table" $dump_opts
run_dump_test "dwarf-5-irp" $dump_opts
+ run_dump_test "dwarf-5-macro" $dump_opts
run_dump_test "dwarf-3-func" $dump_opts
run_dump_test "dwarf-5-func" $dump_opts
run_dump_test "dwarf-5-func-global" $dump_opts
next prev parent reply other threads:[~2022-11-29 10:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-29 10:34 [PATCH 0/5] gas: diagnostics for macros and some tidying Jan Beulich
2022-11-29 10:36 ` [PATCH 1/5] gas: avoid inserting extra newline in buffer_and_nest() Jan Beulich
2022-11-29 10:36 ` [PATCH 2/5] gas: squash (some) .linefile from listings Jan Beulich
2022-11-29 10:37 ` Jan Beulich [this message]
2022-11-29 10:38 ` [PATCH 4/5] Arm: avoid unhelpful use of .macro in testsuite Jan Beulich
2022-11-29 10:44 ` [PATCH 5/5] gas: re-work line number tracking for macros and their expansions Jan Beulich
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