diff options
Diffstat (limited to 'gdb/loongarch-linux-tdep.c')
| -rw-r--r-- | gdb/loongarch-linux-tdep.c | 171 |
1 files changed, 86 insertions, 85 deletions
diff --git a/gdb/loongarch-linux-tdep.c b/gdb/loongarch-linux-tdep.c index a09e3a9..b7b00ae 100644 --- a/gdb/loongarch-linux-tdep.c +++ b/gdb/loongarch-linux-tdep.c @@ -44,27 +44,25 @@ loongarch_supply_gregset (const struct regset *regset, for (int i = 1; i < 32; i++) { - buf = (const gdb_byte*) gprs + regsize * i; + buf = (const gdb_byte *) gprs + regsize * i; regcache->raw_supply (i, (const void *) buf); } - buf = (const gdb_byte*) gprs + regsize * LOONGARCH_ORIG_A0_REGNUM; + 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; + buf = (const gdb_byte *) gprs + regsize * LOONGARCH_PC_REGNUM; regcache->raw_supply (LOONGARCH_PC_REGNUM, (const void *) buf); - buf = (const gdb_byte*) gprs + regsize * LOONGARCH_BADV_REGNUM; + buf = (const gdb_byte *) gprs + regsize * LOONGARCH_BADV_REGNUM; regcache->raw_supply (LOONGARCH_BADV_REGNUM, (const void *) buf); } 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) + else if ((regnum > 0 && regnum < 32) || regnum == LOONGARCH_ORIG_A0_REGNUM + || regnum == LOONGARCH_PC_REGNUM || regnum == LOONGARCH_BADV_REGNUM) { - buf = (const gdb_byte*) gprs + regsize * regnum; + buf = (const gdb_byte *) gprs + regsize * regnum; regcache->raw_supply (regnum, (const void *) buf); } } @@ -96,10 +94,8 @@ loongarch_fill_gregset (const struct regset *regset, buf = (gdb_byte *) gprs + regsize * LOONGARCH_BADV_REGNUM; 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) + else if ((regnum >= 0 && regnum < 32) || regnum == LOONGARCH_ORIG_A0_REGNUM + || regnum == LOONGARCH_PC_REGNUM || regnum == LOONGARCH_BADV_REGNUM) { buf = (gdb_byte *) gprs + regsize * regnum; regcache->raw_collect (regnum, (void *) buf); @@ -108,8 +104,7 @@ loongarch_fill_gregset (const struct regset *regset, /* Define the general register regset. */ -const struct regset loongarch_gregset = -{ +const struct regset loongarch_gregset = { nullptr, loongarch_supply_gregset, loongarch_fill_gregset, @@ -117,9 +112,8 @@ const struct regset loongarch_gregset = /* Unpack an elf_fpregset_t into GDB's register cache. */ static void -loongarch_supply_fpregset (const struct regset *r, - struct regcache *regcache, int regnum, - const void *fprs, size_t len) +loongarch_supply_fpregset (const struct regset *r, struct regcache *regcache, + int regnum, const void *fprs, size_t len) { const gdb_byte *buf = nullptr; int fprsize = register_size (regcache->arch (), LOONGARCH_FIRST_FP_REGNUM); @@ -129,35 +123,40 @@ loongarch_supply_fpregset (const struct regset *r, { for (int i = 0; i < LOONGARCH_LINUX_NUM_FPREGSET; i++) { - buf = (const gdb_byte *)fprs + fprsize * i; - regcache->raw_supply (LOONGARCH_FIRST_FP_REGNUM + i, (const void *)buf); + buf = (const gdb_byte *) fprs + fprsize * i; + regcache->raw_supply (LOONGARCH_FIRST_FP_REGNUM + i, + (const void *) buf); } for (int i = 0; i < LOONGARCH_LINUX_NUM_FCC; i++) { - buf = (const gdb_byte *)fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + - fccsize * i; - regcache->raw_supply (LOONGARCH_FIRST_FCC_REGNUM + i, (const void *)buf); + buf = (const gdb_byte *) fprs + + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + fccsize * i; + regcache->raw_supply (LOONGARCH_FIRST_FCC_REGNUM + i, + (const void *) buf); } - buf = (const gdb_byte *)fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + - fccsize * LOONGARCH_LINUX_NUM_FCC; - regcache->raw_supply (LOONGARCH_FCSR_REGNUM, (const void *)buf); + buf = (const gdb_byte *) fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + + fccsize * LOONGARCH_LINUX_NUM_FCC; + regcache->raw_supply (LOONGARCH_FCSR_REGNUM, (const void *) buf); } - else if (regnum >= LOONGARCH_FIRST_FP_REGNUM && regnum < LOONGARCH_FIRST_FCC_REGNUM) + else if (regnum >= LOONGARCH_FIRST_FP_REGNUM + && regnum < LOONGARCH_FIRST_FCC_REGNUM) { - buf = (const gdb_byte *)fprs + fprsize * (regnum - LOONGARCH_FIRST_FP_REGNUM); - regcache->raw_supply (regnum, (const void *)buf); + buf = (const gdb_byte *) fprs + + fprsize * (regnum - LOONGARCH_FIRST_FP_REGNUM); + regcache->raw_supply (regnum, (const void *) buf); } - else if (regnum >= LOONGARCH_FIRST_FCC_REGNUM && regnum < LOONGARCH_FCSR_REGNUM) + else if (regnum >= LOONGARCH_FIRST_FCC_REGNUM + && regnum < LOONGARCH_FCSR_REGNUM) { - buf = (const gdb_byte *)fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + - fccsize * (regnum - LOONGARCH_FIRST_FCC_REGNUM); - regcache->raw_supply (regnum, (const void *)buf); + buf = (const gdb_byte *) fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + + fccsize * (regnum - LOONGARCH_FIRST_FCC_REGNUM); + regcache->raw_supply (regnum, (const void *) buf); } else if (regnum == LOONGARCH_FCSR_REGNUM) { - buf = (const gdb_byte *)fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + - fccsize * LOONGARCH_LINUX_NUM_FCC; - regcache->raw_supply (regnum, (const void *)buf); + buf = (const gdb_byte *) fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + + fccsize * LOONGARCH_LINUX_NUM_FCC; + regcache->raw_supply (regnum, (const void *) buf); } } @@ -175,41 +174,42 @@ loongarch_fill_fpregset (const struct regset *r, { for (int i = 0; i < LOONGARCH_LINUX_NUM_FPREGSET; i++) { - buf = (gdb_byte *)fprs + fprsize * i; - regcache->raw_collect (LOONGARCH_FIRST_FP_REGNUM + i, (void *)buf); + buf = (gdb_byte *) fprs + fprsize * i; + regcache->raw_collect (LOONGARCH_FIRST_FP_REGNUM + i, (void *) buf); } for (int i = 0; i < LOONGARCH_LINUX_NUM_FCC; i++) { - buf = (gdb_byte *)fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + - fccsize * i; - regcache->raw_collect (LOONGARCH_FIRST_FCC_REGNUM + i, (void *)buf); + buf = (gdb_byte *) fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + + fccsize * i; + regcache->raw_collect (LOONGARCH_FIRST_FCC_REGNUM + i, (void *) buf); } - buf = (gdb_byte *)fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + - fccsize * LOONGARCH_LINUX_NUM_FCC; - regcache->raw_collect (LOONGARCH_FCSR_REGNUM, (void *)buf); + buf = (gdb_byte *) fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + + fccsize * LOONGARCH_LINUX_NUM_FCC; + regcache->raw_collect (LOONGARCH_FCSR_REGNUM, (void *) buf); } - else if (regnum >= LOONGARCH_FIRST_FP_REGNUM && regnum < LOONGARCH_FIRST_FCC_REGNUM) + else if (regnum >= LOONGARCH_FIRST_FP_REGNUM + && regnum < LOONGARCH_FIRST_FCC_REGNUM) { - buf = (gdb_byte *)fprs + fprsize * (regnum - LOONGARCH_FIRST_FP_REGNUM); - regcache->raw_collect (regnum, (void *)buf); + buf = (gdb_byte *) fprs + fprsize * (regnum - LOONGARCH_FIRST_FP_REGNUM); + regcache->raw_collect (regnum, (void *) buf); } - else if (regnum >= LOONGARCH_FIRST_FCC_REGNUM && regnum < LOONGARCH_FCSR_REGNUM) + else if (regnum >= LOONGARCH_FIRST_FCC_REGNUM + && regnum < LOONGARCH_FCSR_REGNUM) { - buf = (gdb_byte *)fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + - fccsize * (regnum - LOONGARCH_FIRST_FCC_REGNUM); - regcache->raw_collect (regnum, (void *)buf); + buf = (gdb_byte *) fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + + fccsize * (regnum - LOONGARCH_FIRST_FCC_REGNUM); + regcache->raw_collect (regnum, (void *) buf); } else if (regnum == LOONGARCH_FCSR_REGNUM) { - buf = (gdb_byte *)fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + - fccsize * LOONGARCH_LINUX_NUM_FCC; - regcache->raw_collect (regnum, (void *)buf); + buf = (gdb_byte *) fprs + fprsize * LOONGARCH_LINUX_NUM_FPREGSET + + fccsize * LOONGARCH_LINUX_NUM_FCC; + regcache->raw_collect (regnum, (void *) buf); } } /* Define the FP register regset. */ -const struct regset loongarch_fpregset = -{ +const struct regset loongarch_fpregset = { nullptr, loongarch_supply_fpregset, loongarch_fill_fpregset, @@ -217,8 +217,8 @@ const struct regset loongarch_fpregset = /* Implement the "init" method of struct tramp_frame. */ -#define LOONGARCH_RT_SIGFRAME_UCONTEXT_OFFSET 128 -#define LOONGARCH_UCONTEXT_SIGCONTEXT_OFFSET 176 +#define LOONGARCH_RT_SIGFRAME_UCONTEXT_OFFSET 128 +#define LOONGARCH_UCONTEXT_SIGCONTEXT_OFFSET 176 static void loongarch_linux_rt_sigframe_init (const struct tramp_frame *self, @@ -238,22 +238,18 @@ loongarch_linux_rt_sigframe_init (const struct tramp_frame *self, } /* li.w a7, __NR_rt_sigreturn */ -#define LOONGARCH_INST_LIW_A7_RT_SIGRETURN 0x03822c0b +#define LOONGARCH_INST_LIW_A7_RT_SIGRETURN 0x03822c0b /* syscall 0 */ -#define LOONGARCH_INST_SYSCALL 0x002b0000 +#define LOONGARCH_INST_SYSCALL 0x002b0000 -static const struct tramp_frame loongarch_linux_rt_sigframe = -{ - SIGTRAMP_FRAME, - 4, - { - { LOONGARCH_INST_LIW_A7_RT_SIGRETURN, ULONGEST_MAX }, - { LOONGARCH_INST_SYSCALL, ULONGEST_MAX }, - { TRAMP_SENTINEL_INSN, ULONGEST_MAX } - }, - loongarch_linux_rt_sigframe_init, - nullptr -}; +static const struct tramp_frame loongarch_linux_rt_sigframe + = { SIGTRAMP_FRAME, + 4, + { { LOONGARCH_INST_LIW_A7_RT_SIGRETURN, ULONGEST_MAX }, + { LOONGARCH_INST_SYSCALL, ULONGEST_MAX }, + { TRAMP_SENTINEL_INSN, ULONGEST_MAX } }, + loongarch_linux_rt_sigframe_init, + nullptr }; /* Implement the "iterate_over_regset_sections" gdbarch method. */ @@ -267,18 +263,19 @@ loongarch_iterate_over_regset_sections (struct gdbarch *gdbarch, int fprsize = register_size (gdbarch, LOONGARCH_FIRST_FP_REGNUM); int fccsize = register_size (gdbarch, LOONGARCH_FIRST_FCC_REGNUM); int fcsrsize = register_size (gdbarch, LOONGARCH_FCSR_REGNUM); - int fpsize = fprsize * LOONGARCH_LINUX_NUM_FPREGSET + - fccsize * LOONGARCH_LINUX_NUM_FCC + fcsrsize; + int fpsize = fprsize * LOONGARCH_LINUX_NUM_FPREGSET + + fccsize * LOONGARCH_LINUX_NUM_FCC + fcsrsize; cb (".reg", LOONGARCH_LINUX_NUM_GREGSET * gprsize, - LOONGARCH_LINUX_NUM_GREGSET * gprsize, &loongarch_gregset, nullptr, cb_data); + LOONGARCH_LINUX_NUM_GREGSET * gprsize, &loongarch_gregset, nullptr, + cb_data); cb (".reg2", fpsize, fpsize, &loongarch_fpregset, nullptr, cb_data); } /* The following value is derived from __NR_rt_sigreturn in <include/uapi/asm-generic/unistd.h> from the Linux source tree. */ -#define LOONGARCH_NR_rt_sigreturn 139 +#define LOONGARCH_NR_rt_sigreturn 139 /* When FRAME is at a syscall instruction, return the PC of the next instruction to be executed. */ @@ -302,14 +299,15 @@ loongarch_linux_syscall_next_pc (frame_info_ptr frame) static void loongarch_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { - loongarch_gdbarch_tdep *tdep = gdbarch_tdep<loongarch_gdbarch_tdep> (gdbarch); + loongarch_gdbarch_tdep *tdep + = gdbarch_tdep<loongarch_gdbarch_tdep> (gdbarch); linux_init_abi (info, gdbarch, 0); - set_solib_svr4_fetch_link_map_offsets (gdbarch, - info.bfd_arch_info->bits_per_address == 32 - ? linux_ilp32_fetch_link_map_offsets - : linux_lp64_fetch_link_map_offsets); + set_solib_svr4_fetch_link_map_offsets ( + gdbarch, info.bfd_arch_info->bits_per_address == 32 + ? linux_ilp32_fetch_link_map_offsets + : linux_lp64_fetch_link_map_offsets); /* GNU/Linux uses SVR4-style shared libraries. */ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); @@ -318,13 +316,15 @@ loongarch_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); /* Enable TLS support. */ - set_gdbarch_fetch_tls_load_module_address (gdbarch, svr4_fetch_objfile_link_map); + set_gdbarch_fetch_tls_load_module_address (gdbarch, + svr4_fetch_objfile_link_map); /* Prepend tramp frame unwinder for signal. */ tramp_frame_prepend_unwinder (gdbarch, &loongarch_linux_rt_sigframe); /* Core file support. */ - set_gdbarch_iterate_over_regset_sections (gdbarch, loongarch_iterate_over_regset_sections); + set_gdbarch_iterate_over_regset_sections ( + gdbarch, loongarch_iterate_over_regset_sections); tdep->syscall_next_pc = loongarch_linux_syscall_next_pc; } @@ -332,11 +332,12 @@ loongarch_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* Initialize LoongArch Linux target support. */ void _initialize_loongarch_linux_tdep (); + void _initialize_loongarch_linux_tdep () { gdbarch_register_osabi (bfd_arch_loongarch, bfd_mach_loongarch32, - GDB_OSABI_LINUX, loongarch_linux_init_abi); + GDB_OSABI_LINUX, loongarch_linux_init_abi); gdbarch_register_osabi (bfd_arch_loongarch, bfd_mach_loongarch64, - GDB_OSABI_LINUX, loongarch_linux_init_abi); + GDB_OSABI_LINUX, loongarch_linux_init_abi); } |