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* [COMMITTED PATCH] gdb: LoongArch: Define LOONGARCH_LINUX_NUM_GREGSET as 45
@ 2022-05-24 14:07 Tiezhu Yang
  0 siblings, 0 replies; only message in thread
From: Tiezhu Yang @ 2022-05-24 14:07 UTC (permalink / raw)
  To: gdb-patches

LOONGARCH_LINUX_NUM_GREGSET should be defined as 45 (32 + 1 + 1 + 11)
due to reserved 11 for extension in glibc, otherwise when execute:

  make check-gdb TESTS="gdb.base/corefile.exp"

there exists the following failed testcase:

  (gdb) core-file /home/loongson/build.git/gdb/testsuite/outputs/gdb.base/corefile/corefile.core
  [New LWP 7742]
  warning: Unexpected size of section `.reg/7742' in core file.
  Core was generated by `/home/loongson/build.git/gdb/testsuite/outputs/gdb.base/corefile/corefile'.
  Program terminated with signal SIGABRT, Aborted.
  warning: Unexpected size of section `.reg/7742' in core file.
  #0  0x000000fff76f4e24 in raise () from /lib/loongarch64-linux-gnu/libc.so.6
  (gdb) FAIL: gdb.base/corefile.exp: core-file warning-free

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
 gdb/loongarch-linux-tdep.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gdb/loongarch-linux-tdep.c b/gdb/loongarch-linux-tdep.c
index bbb43abe13f..f6854298569 100644
--- a/gdb/loongarch-linux-tdep.c
+++ b/gdb/loongarch-linux-tdep.c
@@ -30,9 +30,9 @@
 #include "tramp-frame.h"
 
 /* The general-purpose regset consists of 32 R registers, plus PC,
-   and BADV registers.  */
+   and BADV registers.  In addition, reserved 11 for extension in glibc.  */
 
-#define LOONGARCH_LINUX_NUM_GREGSET	(34)
+#define LOONGARCH_LINUX_NUM_GREGSET	(45)
 
 /* Unpack an elf_gregset_t into GDB's register cache.  */
 
-- 
2.27.0


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2022-05-24 14:07 [COMMITTED PATCH] gdb: LoongArch: Define LOONGARCH_LINUX_NUM_GREGSET as 45 Tiezhu Yang

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