The following link error exists when building with LOONGARCH64
machine:
/usr/bin/ld: proc-service.o: in function `.LVL71':
proc-service.c:(.text+0x324): undefined reference to `fill_gregset ...
/usr/bin/ld: proc-service.o: in function `.LVL77':
proc-service.c:(.text+0x364): undefined reference to `supply_gregset ...
/usr/bin/ld: proc-service.o: in function `.LVL87':
proc-service.c:(.text+0x3c4): undefined reference to `fill_fpregset ...
/usr/bin/ld: proc-service.o: in function `.LVL93':
proc-service.c:(.text+0x404): undefined reference to `supply_fpregset
collect2: error: ld returned 1 exit status
The cause of the error is that the definition of a function such as
fill_gregset is not implemented. This patch is used to fix this error.
Reported-by: Xiujie Jiang <jiangxiujie@xxxxxxxxxx>
Signed-off-by: Ming Wang <wangming01@xxxxxxxxxxx>
---
gdb-10.2.patch | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/gdb-10.2.patch b/gdb-10.2.patch
index a7018a2..a418209 100644
--- a/gdb-10.2.patch
+++ b/gdb-10.2.patch
@@ -16057,3 +16057,43 @@ exit 0
m10200-dis.c
m10200-opc.c
m10300-dis.c
+--- gdb-10.2/gdb/loongarch-linux-tdep.c.orig
++++ gdb-10.2/gdb/loongarch-linux-tdep.c
+@@ -707,3 +707,37 @@ _initialize_loongarch_linux_tdep ()
+ gdbarch_register_osabi (bfd_arch_loongarch, bfd_mach_loongarch64,
+ GDB_OSABI_LINUX, loongarch_linux_init_abi);
+ }
++
++/* Wrapper functions. These are only used by libthread_db. */
++#include <sys/procfs.h>
++void
++supply_gregset (struct regcache *regcache,
++ const prgregset_t *gregset)
++{
++ loongarch_elf_gregset.supply_regset (NULL, regcache, -1, gregset,
++ sizeof (prgregset_t));
++}
++
++void
++fill_gregset (const struct regcache *regcache,
++ prgregset_t *gregset, int regno)
++{
++ loongarch_elf_gregset.collect_regset (NULL, regcache, regno, gregset,
++ sizeof (prgregset_t));
++}
++
++void
++supply_fpregset (struct regcache *regcache,
++ const prfpregset_t *fpregset)
++{
++ loongarch_elf_fpregset.supply_regset (NULL, regcache, -1, fpregset,
++ sizeof (prfpregset_t));
++}
++
++void
++fill_fpregset (const struct regcache *regcache,
++ prfpregset_t *fpregset, int regno)
++{
++ loongarch_elf_fpregset.collect_regset (NULL, regcache, regno, fpregset,
++ sizeof (prfpregset_t));
++}
--
2.39.2
--
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