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[Bug tdep/12800] New: Failed to pass many _Complex args in value
- From: "qiyao at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Tue, 24 May 2011 01:13:34 +0000
- Subject: [Bug tdep/12800] New: Failed to pass many _Complex args in value
- Auto-submitted: auto-generated
http://sourceware.org/bugzilla/show_bug.cgi?id=12800
Summary: Failed to pass many _Complex args in value
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: tdep
AssignedTo: unassigned@sourceware.org
ReportedBy: qiyao@gcc.gnu.org
Host: x86_64-linux
Target: x86_64-linux
Build: x86_64-linux
Similar to Bug 12798, GDB is unable to pass many _Complex args in value
correctly.
$ gcc -g complex-many.c -o complex-many
$ ./gdb complex-many
(gdb) b main
Breakpoint 1 at 0x402553: file /scratch/yao/complex-many.c, line 57.
(gdb) run
Starting program: /scratch/yao/gdb_cvs/build-x86_64/gdb/complex-many
Breakpoint 1, main () at /scratch/yao/complex-many.c:57
57 return 0;
(gdb) p t_float_complex_many_args(fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4, fc1,
fc2, fc3, fc4, fc1, fc2, fc3, fc4)
During symbol reading, incomplete CFI data; unspecified registers (e.g., rax)
at 0x402553.
$1 = 0 // <- wrong. 1 is expected.
(gdb) p t_double_complex_many_args(dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4, dc1,
dc2, dc3, dc4, dc1, dc2, dc3, dc4)
$2 = 0 // <- wrong. 1 is expected.
(gdb) p t_long_double_complex_many_args(ldc1, ldc2, ldc3, ldc4, ldc1, ldc2,
ldc3, ldc4, ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4)
$3 = 1 // right.
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