diff options
| -rw-r--r-- | gdb/features/loongarch/base32.c | 1 | ||||
| -rw-r--r-- | gdb/features/loongarch/base32.xml | 1 | ||||
| -rw-r--r-- | gdb/features/loongarch/base64.c | 1 | ||||
| -rw-r--r-- | gdb/features/loongarch/base64.xml | 1 | ||||
| -rw-r--r-- | gdb/loongarch-linux-nat.c | 2 | ||||
| -rw-r--r-- | gdb/loongarch-linux-tdep.c | 8 | ||||
| -rw-r--r-- | gdb/loongarch-tdep.c | 1 | ||||
| -rw-r--r-- | gdb/loongarch-tdep.h | 7 |
8 files changed, 19 insertions, 3 deletions
diff --git a/gdb/features/loongarch/base32.c b/gdb/features/loongarch/base32.c index 7105c15..3fb35ef 100644 --- a/gdb/features/loongarch/base32.c +++ b/gdb/features/loongarch/base32.c @@ -41,6 +41,7 @@ create_feature_loongarch_base32 (struct target_desc *result, long regnum) tdesc_create_reg (feature, "r29", regnum++, 1, "general", 32, "uint32"); tdesc_create_reg (feature, "r30", regnum++, 1, "general", 32, "uint32"); tdesc_create_reg (feature, "r31", regnum++, 1, "general", 32, "uint32"); + tdesc_create_reg (feature, "orig_a0", regnum++, 1, "general", 32, "uint32"); tdesc_create_reg (feature, "pc", regnum++, 1, "general", 32, "code_ptr"); tdesc_create_reg (feature, "badv", regnum++, 1, "general", 32, "code_ptr"); return regnum; diff --git a/gdb/features/loongarch/base32.xml b/gdb/features/loongarch/base32.xml index 5b00f8a..af47bbd 100644 --- a/gdb/features/loongarch/base32.xml +++ b/gdb/features/loongarch/base32.xml @@ -39,6 +39,7 @@ <reg name="r29" bitsize="32" type="uint32" group="general"/> <reg name="r30" bitsize="32" type="uint32" group="general"/> <reg name="r31" bitsize="32" type="uint32" group="general"/> + <reg name="orig_a0" bitsize="32" type="uint32" group="general"/> <reg name="pc" bitsize="32" type="code_ptr" group="general"/> <reg name="badv" bitsize="32" type="code_ptr" group="general"/> </feature> diff --git a/gdb/features/loongarch/base64.c b/gdb/features/loongarch/base64.c index 63eee02..d84d425 100644 --- a/gdb/features/loongarch/base64.c +++ b/gdb/features/loongarch/base64.c @@ -41,6 +41,7 @@ create_feature_loongarch_base64 (struct target_desc *result, long regnum) tdesc_create_reg (feature, "r29", regnum++, 1, "general", 64, "uint64"); tdesc_create_reg (feature, "r30", regnum++, 1, "general", 64, "uint64"); tdesc_create_reg (feature, "r31", regnum++, 1, "general", 64, "uint64"); + tdesc_create_reg (feature, "orig_a0", regnum++, 1, "general", 64, "uint64"); tdesc_create_reg (feature, "pc", regnum++, 1, "general", 64, "code_ptr"); tdesc_create_reg (feature, "badv", regnum++, 1, "general", 64, "code_ptr"); return regnum; diff --git a/gdb/features/loongarch/base64.xml b/gdb/features/loongarch/base64.xml index bef91e5..2d8a1f6 100644 --- a/gdb/features/loongarch/base64.xml +++ b/gdb/features/loongarch/base64.xml @@ -39,6 +39,7 @@ <reg name="r29" bitsize="64" type="uint64" group="general"/> <reg name="r30" bitsize="64" type="uint64" group="general"/> <reg name="r31" bitsize="64" type="uint64" group="general"/> + <reg name="orig_a0" bitsize="64" type="uint64" group="general"/> <reg name="pc" bitsize="64" type="code_ptr" group="general"/> <reg name="badv" bitsize="64" type="code_ptr" group="general"/> </feature> diff --git a/gdb/loongarch-linux-nat.c b/gdb/loongarch-linux-nat.c index c341e71..1fd1af6 100644 --- a/gdb/loongarch-linux-nat.c +++ b/gdb/loongarch-linux-nat.c @@ -53,6 +53,7 @@ fetch_gregs_from_thread (struct regcache *regcache, int regnum, pid_t tid) elf_gregset_t regset; if (regnum == -1 || (regnum >= 0 && regnum < 32) + || regnum == LOONGARCH_ORIG_A0_REGNUM || regnum == LOONGARCH_PC_REGNUM || regnum == LOONGARCH_BADV_REGNUM) { @@ -78,6 +79,7 @@ store_gregs_to_thread (struct regcache *regcache, int regnum, pid_t tid) elf_gregset_t regset; if (regnum == -1 || (regnum >= 0 && regnum < 32) + || regnum == LOONGARCH_ORIG_A0_REGNUM || regnum == LOONGARCH_PC_REGNUM || regnum == LOONGARCH_BADV_REGNUM) { diff --git a/gdb/loongarch-linux-tdep.c b/gdb/loongarch-linux-tdep.c index 21fc67f..1076e93 100644 --- a/gdb/loongarch-linux-tdep.c +++ b/gdb/loongarch-linux-tdep.c @@ -48,6 +48,9 @@ loongarch_supply_gregset (const struct regset *regset, regcache->raw_supply (i, (const void *) buf); } + buf = (const gdb_byte*) gprs + regsize * LOONGARCH_ORIG_A0_REGNUM; + regcache->raw_supply (LOONGARCH_ORIG_A0_REGNUM, (const void *) buf); + buf = (const gdb_byte*) gprs + regsize * LOONGARCH_PC_REGNUM; regcache->raw_supply (LOONGARCH_PC_REGNUM, (const void *) buf); @@ -57,6 +60,7 @@ loongarch_supply_gregset (const struct regset *regset, else if (regnum == 0) regcache->raw_supply_zeroed (0); else if ((regnum > 0 && regnum < 32) + || regnum == LOONGARCH_ORIG_A0_REGNUM || regnum == LOONGARCH_PC_REGNUM || regnum == LOONGARCH_BADV_REGNUM) { @@ -83,6 +87,9 @@ loongarch_fill_gregset (const struct regset *regset, regcache->raw_collect (i, (void *) buf); } + buf = (gdb_byte *) gprs + regsize * LOONGARCH_ORIG_A0_REGNUM; + regcache->raw_collect (LOONGARCH_ORIG_A0_REGNUM, (void *) buf); + buf = (gdb_byte *) gprs + regsize * LOONGARCH_PC_REGNUM; regcache->raw_collect (LOONGARCH_PC_REGNUM, (void *) buf); @@ -90,6 +97,7 @@ loongarch_fill_gregset (const struct regset *regset, regcache->raw_collect (LOONGARCH_BADV_REGNUM, (void *) buf); } else if ((regnum >= 0 && regnum < 32) + || regnum == LOONGARCH_ORIG_A0_REGNUM || regnum == LOONGARCH_PC_REGNUM || regnum == LOONGARCH_BADV_REGNUM) { diff --git a/gdb/loongarch-tdep.c b/gdb/loongarch-tdep.c index f2f4e3b..76480ce 100644 --- a/gdb/loongarch-tdep.c +++ b/gdb/loongarch-tdep.c @@ -576,6 +576,7 @@ loongarch_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) for (int i = 0; i < 32; i++) valid_p &= tdesc_numbered_register (feature_cpu, tdesc_data.get (), regnum++, loongarch_r_normal_name[i] + 1); + valid_p &= tdesc_numbered_register (feature_cpu, tdesc_data.get (), regnum++, "orig_a0"); valid_p &= tdesc_numbered_register (feature_cpu, tdesc_data.get (), regnum++, "pc"); valid_p &= tdesc_numbered_register (feature_cpu, tdesc_data.get (), regnum++, "badv"); if (!valid_p) diff --git a/gdb/loongarch-tdep.h b/gdb/loongarch-tdep.h index 54b34af..acf0191 100644 --- a/gdb/loongarch-tdep.h +++ b/gdb/loongarch-tdep.h @@ -35,9 +35,10 @@ enum LOONGARCH_A0_REGNUM = 4, /* First Argument/Return Value. */ LOONGARCH_A7_REGNUM = 11, /* Seventh Argument/Syscall Number. */ LOONGARCH_FP_REGNUM = 22, /* Frame Pointer. */ - LOONGARCH_PC_REGNUM = 32, /* Program Counter. */ - LOONGARCH_BADV_REGNUM = 33, /* Bad Vaddr for Addressing Exception. */ - LOONGARCH_LINUX_NUM_GREGSET = 45, /* 32 GPR, PC, BADV, RESERVED 11. */ + LOONGARCH_ORIG_A0_REGNUM = 32, /* Syscall's original arg0. */ + LOONGARCH_PC_REGNUM = 33, /* Program Counter. */ + LOONGARCH_BADV_REGNUM = 34, /* Bad Vaddr for Addressing Exception. */ + LOONGARCH_LINUX_NUM_GREGSET = 45, /* 32 GPR, ORIG_A0, PC, BADV, RESERVED 10. */ }; /* Register set definitions. */ |