[Crash-utility] Re: [PATCH v2] LoongArch64: Fixed link errors when build on LOONGARCH64 machine

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. v1 -> v2: Fix compilation errors.

Reported-by: Xiujie Jiang <jiangxiujie(a)kylinos.cn&gt; Signed-off-by: Ming Wang <wangming01(a)loongson.cn&gt; --- gdb-10.2.patch | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/gdb-10.2.patch b/gdb-10.2.patch index a7018a2..5d34407 100644 --- a/gdb-10.2.patch +++ b/gdb-10.2.patch @@ -16057,3 +16057,36 @@ 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 +707,30 @@ _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> ++extern void supply_gregset (struct regcache *regcache,const prgregset_t *gregset); ++extern void fill_gregset (const struct regcache *regcache, prgregset_t *gregset, int regno); ++extern void supply_fpregset (struct regcache *regcache, const prfpregset_t *fpregset); ++extern void fill_fpregset (const struct regcache *regcache, prfpregset_t *fpregset, int regno); ++ ++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)); ++}