diff options
Diffstat (limited to 'gdb/mips-linux-tdep.c')
| -rw-r--r-- | gdb/mips-linux-tdep.c | 242 |
1 files changed, 117 insertions, 125 deletions
diff --git a/gdb/mips-linux-tdep.c b/gdb/mips-linux-tdep.c index 9efe3fb..d4137f4 100644 --- a/gdb/mips-linux-tdep.c +++ b/gdb/mips-linux-tdep.c @@ -53,19 +53,18 @@ static int mips_linux_get_longjmp_target (struct frame_info *frame, CORE_ADDR *pc) { CORE_ADDR jb_addr; - char buf[gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT]; + struct gdbarch *gdbarch = get_frame_arch (frame); + char buf[gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT]; jb_addr = get_frame_register_unsigned (frame, MIPS_A0_REGNUM); if (target_read_memory (jb_addr + MIPS_LINUX_JB_PC * MIPS_LINUX_JB_ELEMENT_SIZE, - buf, - gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT)) + buf, gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT)) return 0; *pc = extract_unsigned_integer (buf, - gdbarch_ptr_bit (current_gdbarch) - / TARGET_CHAR_BIT); + gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT); return 1; } @@ -78,7 +77,8 @@ static void supply_32bit_reg (struct regcache *regcache, int regnum, const void *addr) { gdb_byte buf[MAX_REGISTER_SIZE]; - store_signed_integer (buf, register_size (current_gdbarch, regnum), + store_signed_integer (buf, + register_size (get_regcache_arch (regcache), regnum), extract_signed_integer (addr, 4)); regcache_raw_supply (regcache, regnum, buf); } @@ -92,26 +92,25 @@ mips_supply_gregset (struct regcache *regcache, int regi; const mips_elf_greg_t *regp = *gregsetp; char zerobuf[MAX_REGISTER_SIZE]; + struct gdbarch *gdbarch = get_regcache_arch (regcache); memset (zerobuf, 0, MAX_REGISTER_SIZE); for (regi = EF_REG0 + 1; regi <= EF_REG31; regi++) supply_32bit_reg (regcache, regi - EF_REG0, regp + regi); - if (mips_linux_restart_reg_p (current_gdbarch)) + if (mips_linux_restart_reg_p (gdbarch)) supply_32bit_reg (regcache, MIPS_RESTART_REGNUM, regp + EF_REG0); - supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->lo, - regp + EF_LO); - supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->hi, - regp + EF_HI); + supply_32bit_reg (regcache, mips_regnum (gdbarch)->lo, regp + EF_LO); + supply_32bit_reg (regcache, mips_regnum (gdbarch)->hi, regp + EF_HI); - supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->pc, + supply_32bit_reg (regcache, mips_regnum (gdbarch)->pc, regp + EF_CP0_EPC); - supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->badvaddr, + supply_32bit_reg (regcache, mips_regnum (gdbarch)->badvaddr, regp + EF_CP0_BADVADDR); supply_32bit_reg (regcache, MIPS_PS_REGNUM, regp + EF_CP0_STATUS); - supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->cause, + supply_32bit_reg (regcache, mips_regnum (gdbarch)->cause, regp + EF_CP0_CAUSE); /* Fill inaccessible registers with zero. */ @@ -129,6 +128,7 @@ void mips_fill_gregset (const struct regcache *regcache, mips_elf_gregset_t *gregsetp, int regno) { + struct gdbarch *gdbarch = get_regcache_arch (regcache); int regaddr, regi; mips_elf_greg_t *regp = *gregsetp; void *dst; @@ -138,17 +138,12 @@ mips_fill_gregset (const struct regcache *regcache, memset (regp, 0, sizeof (mips_elf_gregset_t)); for (regi = 1; regi < 32; regi++) mips_fill_gregset (regcache, gregsetp, regi); - mips_fill_gregset (regcache, gregsetp, - mips_regnum (current_gdbarch)->lo); - mips_fill_gregset (regcache, gregsetp, - mips_regnum (current_gdbarch)->hi); - mips_fill_gregset (regcache, gregsetp, - mips_regnum (current_gdbarch)->pc); - mips_fill_gregset (regcache, gregsetp, - mips_regnum (current_gdbarch)->badvaddr); + mips_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->lo); + mips_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->hi); + mips_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->pc); + mips_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->badvaddr); mips_fill_gregset (regcache, gregsetp, MIPS_PS_REGNUM); - mips_fill_gregset (regcache, gregsetp, - mips_regnum (current_gdbarch)->cause); + mips_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->cause); mips_fill_gregset (regcache, gregsetp, MIPS_RESTART_REGNUM); return; } @@ -160,19 +155,19 @@ mips_fill_gregset (const struct regcache *regcache, return; } - if (regno == mips_regnum (current_gdbarch)->lo) - regaddr = EF_LO; - else if (regno == mips_regnum (current_gdbarch)->hi) + if (regno == mips_regnum (gdbarch)->lo) + regaddr = EF_LO; + else if (regno == mips_regnum (gdbarch)->hi) regaddr = EF_HI; - else if (regno == mips_regnum (current_gdbarch)->pc) + else if (regno == mips_regnum (gdbarch)->pc) regaddr = EF_CP0_EPC; - else if (regno == mips_regnum (current_gdbarch)->badvaddr) + else if (regno == mips_regnum (gdbarch)->badvaddr) regaddr = EF_CP0_BADVADDR; else if (regno == MIPS_PS_REGNUM) regaddr = EF_CP0_STATUS; - else if (regno == mips_regnum (current_gdbarch)->cause) + else if (regno == mips_regnum (gdbarch)->cause) regaddr = EF_CP0_CAUSE; - else if (mips_linux_restart_reg_p (current_gdbarch) + else if (mips_linux_restart_reg_p (gdbarch) && regno == MIPS_RESTART_REGNUM) regaddr = EF_REG0; else @@ -191,6 +186,7 @@ void mips_supply_fpregset (struct regcache *regcache, const mips_elf_fpregset_t *fpregsetp) { + struct gdbarch *gdbarch = get_regcache_arch (regcache); int regi; char zerobuf[MAX_REGISTER_SIZE]; @@ -198,16 +194,16 @@ mips_supply_fpregset (struct regcache *regcache, for (regi = 0; regi < 32; regi++) regcache_raw_supply (regcache, - gdbarch_fp0_regnum (current_gdbarch) + regi, + gdbarch_fp0_regnum (gdbarch) + regi, *fpregsetp + regi); regcache_raw_supply (regcache, - mips_regnum (current_gdbarch)->fp_control_status, + mips_regnum (gdbarch)->fp_control_status, *fpregsetp + 32); /* FIXME: how can we supply FCRIR? The ABI doesn't tell us. */ regcache_raw_supply (regcache, - mips_regnum (current_gdbarch)->fp_implementation_revision, + mips_regnum (gdbarch)->fp_implementation_revision, zerobuf); } @@ -218,15 +214,16 @@ void mips_fill_fpregset (const struct regcache *regcache, mips_elf_fpregset_t *fpregsetp, int regno) { + struct gdbarch *gdbarch = get_regcache_arch (regcache); char *from, *to; - if ((regno >= gdbarch_fp0_regnum (current_gdbarch)) - && (regno < gdbarch_fp0_regnum (current_gdbarch) + 32)) + if ((regno >= gdbarch_fp0_regnum (gdbarch)) + && (regno < gdbarch_fp0_regnum (gdbarch) + 32)) { - to = (char *) (*fpregsetp + regno - gdbarch_fp0_regnum (current_gdbarch)); + to = (char *) (*fpregsetp + regno - gdbarch_fp0_regnum (gdbarch)); regcache_raw_collect (regcache, regno, to); } - else if (regno == mips_regnum (current_gdbarch)->fp_control_status) + else if (regno == mips_regnum (gdbarch)->fp_control_status) { to = (char *) (*fpregsetp + 32); regcache_raw_collect (regcache, regno, to); @@ -237,9 +234,9 @@ mips_fill_fpregset (const struct regcache *regcache, for (regi = 0; regi < 32; regi++) mips_fill_fpregset (regcache, fpregsetp, - gdbarch_fp0_regnum (current_gdbarch) + regi); + gdbarch_fp0_regnum (gdbarch) + regi); mips_fill_fpregset (regcache, fpregsetp, - mips_regnum (current_gdbarch)->fp_control_status); + mips_regnum (gdbarch)->fp_control_status); } } @@ -259,19 +256,19 @@ static int mips64_linux_get_longjmp_target (struct frame_info *frame, CORE_ADDR *pc) { CORE_ADDR jb_addr; - void *buf = alloca (gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT); - int element_size = gdbarch_ptr_bit (current_gdbarch) == 32 ? 4 : 8; + struct gdbarch *gdbarch = get_frame_arch (frame); + void *buf = alloca (gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT); + int element_size = gdbarch_ptr_bit (gdbarch) == 32 ? 4 : 8; jb_addr = get_frame_register_unsigned (frame, MIPS_A0_REGNUM); if (target_read_memory (jb_addr + MIPS64_LINUX_JB_PC * element_size, buf, - gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT)) + gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT)) return 0; *pc = extract_unsigned_integer (buf, - gdbarch_ptr_bit (current_gdbarch) - / TARGET_CHAR_BIT); + gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT); return 1; } @@ -286,8 +283,9 @@ void supply_64bit_reg (struct regcache *regcache, int regnum, const gdb_byte *buf) { - if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG - && register_size (current_gdbarch, regnum) == 4) + struct gdbarch *gdbarch = get_regcache_arch (regcache); + if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG + && register_size (gdbarch, regnum) == 4) regcache_raw_supply (regcache, regnum, buf + 4); else regcache_raw_supply (regcache, regnum, buf); @@ -302,6 +300,7 @@ mips64_supply_gregset (struct regcache *regcache, int regi; const mips64_elf_greg_t *regp = *gregsetp; gdb_byte zerobuf[MAX_REGISTER_SIZE]; + struct gdbarch *gdbarch = get_regcache_arch (regcache); memset (zerobuf, 0, MAX_REGISTER_SIZE); @@ -309,22 +308,22 @@ mips64_supply_gregset (struct regcache *regcache, supply_64bit_reg (regcache, regi - MIPS64_EF_REG0, (const gdb_byte *)(regp + regi)); - if (mips_linux_restart_reg_p (current_gdbarch)) + if (mips_linux_restart_reg_p (gdbarch)) supply_64bit_reg (regcache, MIPS_RESTART_REGNUM, (const gdb_byte *)(regp + MIPS64_EF_REG0)); - supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->lo, + supply_64bit_reg (regcache, mips_regnum (gdbarch)->lo, (const gdb_byte *) (regp + MIPS64_EF_LO)); - supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->hi, + supply_64bit_reg (regcache, mips_regnum (gdbarch)->hi, (const gdb_byte *) (regp + MIPS64_EF_HI)); - supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->pc, + supply_64bit_reg (regcache, mips_regnum (gdbarch)->pc, (const gdb_byte *) (regp + MIPS64_EF_CP0_EPC)); - supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->badvaddr, + supply_64bit_reg (regcache, mips_regnum (gdbarch)->badvaddr, (const gdb_byte *) (regp + MIPS64_EF_CP0_BADVADDR)); supply_64bit_reg (regcache, MIPS_PS_REGNUM, (const gdb_byte *) (regp + MIPS64_EF_CP0_STATUS)); - supply_64bit_reg (regcache, mips_regnum (current_gdbarch)->cause, + supply_64bit_reg (regcache, mips_regnum (gdbarch)->cause, (const gdb_byte *) (regp + MIPS64_EF_CP0_CAUSE)); /* Fill inaccessible registers with zero. */ @@ -342,6 +341,7 @@ void mips64_fill_gregset (const struct regcache *regcache, mips64_elf_gregset_t *gregsetp, int regno) { + struct gdbarch *gdbarch = get_regcache_arch (regcache); int regaddr, regi; mips64_elf_greg_t *regp = *gregsetp; void *src, *dst; @@ -351,36 +351,31 @@ mips64_fill_gregset (const struct regcache *regcache, memset (regp, 0, sizeof (mips64_elf_gregset_t)); for (regi = 1; regi < 32; regi++) mips64_fill_gregset (regcache, gregsetp, regi); - mips64_fill_gregset (regcache, gregsetp, - mips_regnum (current_gdbarch)->lo); - mips64_fill_gregset (regcache, gregsetp, - mips_regnum (current_gdbarch)->hi); - mips64_fill_gregset (regcache, gregsetp, - mips_regnum (current_gdbarch)->pc); - mips64_fill_gregset (regcache, gregsetp, - mips_regnum (current_gdbarch)->badvaddr); + mips64_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->lo); + mips64_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->hi); + mips64_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->pc); + mips64_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->badvaddr); mips64_fill_gregset (regcache, gregsetp, MIPS_PS_REGNUM); - mips64_fill_gregset (regcache, gregsetp, - mips_regnum (current_gdbarch)->cause); + mips64_fill_gregset (regcache, gregsetp, mips_regnum (gdbarch)->cause); mips64_fill_gregset (regcache, gregsetp, MIPS_RESTART_REGNUM); return; } if (regno > 0 && regno < 32) regaddr = regno + MIPS64_EF_REG0; - else if (regno == mips_regnum (current_gdbarch)->lo) + else if (regno == mips_regnum (gdbarch)->lo) regaddr = MIPS64_EF_LO; - else if (regno == mips_regnum (current_gdbarch)->hi) + else if (regno == mips_regnum (gdbarch)->hi) regaddr = MIPS64_EF_HI; - else if (regno == mips_regnum (current_gdbarch)->pc) + else if (regno == mips_regnum (gdbarch)->pc) regaddr = MIPS64_EF_CP0_EPC; - else if (regno == mips_regnum (current_gdbarch)->badvaddr) + else if (regno == mips_regnum (gdbarch)->badvaddr) regaddr = MIPS64_EF_CP0_BADVADDR; else if (regno == MIPS_PS_REGNUM) regaddr = MIPS64_EF_CP0_STATUS; - else if (regno == mips_regnum (current_gdbarch)->cause) + else if (regno == mips_regnum (gdbarch)->cause) regaddr = MIPS64_EF_CP0_CAUSE; - else if (mips_linux_restart_reg_p (current_gdbarch) + else if (mips_linux_restart_reg_p (gdbarch) && regno == MIPS_RESTART_REGNUM) regaddr = MIPS64_EF_REG0; else @@ -392,8 +387,7 @@ mips64_fill_gregset (const struct regcache *regcache, LONGEST val; regcache_raw_collect (regcache, regno, buf); - val = extract_signed_integer (buf, - register_size (current_gdbarch, regno)); + val = extract_signed_integer (buf, register_size (gdbarch, regno)); dst = regp + regaddr; store_signed_integer (dst, 8, val); } @@ -405,36 +399,35 @@ void mips64_supply_fpregset (struct regcache *regcache, const mips64_elf_fpregset_t *fpregsetp) { + struct gdbarch *gdbarch = get_regcache_arch (regcache); int regi; /* See mips_linux_o32_sigframe_init for a description of the peculiar FP register layout. */ - if (register_size (current_gdbarch, - gdbarch_fp0_regnum (current_gdbarch)) == 4) + if (register_size (gdbarch, gdbarch_fp0_regnum (gdbarch)) == 4) for (regi = 0; regi < 32; regi++) { const gdb_byte *reg_ptr = (const gdb_byte *)(*fpregsetp + (regi & ~1)); - if ((gdbarch_byte_order (current_gdbarch) - == BFD_ENDIAN_BIG) != (regi & 1)) + if ((gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) != (regi & 1)) reg_ptr += 4; regcache_raw_supply (regcache, - gdbarch_fp0_regnum (current_gdbarch) + regi, + gdbarch_fp0_regnum (gdbarch) + regi, reg_ptr); } else for (regi = 0; regi < 32; regi++) regcache_raw_supply (regcache, - gdbarch_fp0_regnum (current_gdbarch) + regi, + gdbarch_fp0_regnum (gdbarch) + regi, (const char *)(*fpregsetp + regi)); - supply_32bit_reg (regcache, mips_regnum (current_gdbarch)->fp_control_status, + supply_32bit_reg (regcache, mips_regnum (gdbarch)->fp_control_status, (const gdb_byte *)(*fpregsetp + 32)); /* The ABI doesn't tell us how to supply FCRIR, and core dumps don't include it - but the result of PTRACE_GETFPREGS does. The best we can do is to assume that its value is present. */ supply_32bit_reg (regcache, - mips_regnum (current_gdbarch)->fp_implementation_revision, + mips_regnum (gdbarch)->fp_implementation_revision, (const gdb_byte *)(*fpregsetp + 32) + 4); } @@ -445,49 +438,46 @@ void mips64_fill_fpregset (const struct regcache *regcache, mips64_elf_fpregset_t *fpregsetp, int regno) { + struct gdbarch *gdbarch = get_regcache_arch (regcache); gdb_byte *to; - if ((regno >= gdbarch_fp0_regnum (current_gdbarch)) - && (regno < gdbarch_fp0_regnum (current_gdbarch) + 32)) + if ((regno >= gdbarch_fp0_regnum (gdbarch)) + && (regno < gdbarch_fp0_regnum (gdbarch) + 32)) { /* See mips_linux_o32_sigframe_init for a description of the peculiar FP register layout. */ - if (register_size (current_gdbarch, regno) == 4) + if (register_size (gdbarch, regno) == 4) { - int regi = regno - gdbarch_fp0_regnum (current_gdbarch); + int regi = regno - gdbarch_fp0_regnum (gdbarch); to = (gdb_byte *) (*fpregsetp + (regi & ~1)); - if ((gdbarch_byte_order (current_gdbarch) - == BFD_ENDIAN_BIG) != (regi & 1)) + if ((gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) != (regi & 1)) to += 4; regcache_raw_collect (regcache, regno, to); } else { - to = (gdb_byte *) (*fpregsetp + regno - - gdbarch_fp0_regnum (current_gdbarch)); + to = (gdb_byte *) (*fpregsetp + regno - gdbarch_fp0_regnum (gdbarch)); regcache_raw_collect (regcache, regno, to); } } - else if (regno == mips_regnum (current_gdbarch)->fp_control_status) + else if (regno == mips_regnum (gdbarch)->fp_control_status) { gdb_byte buf[MAX_REGISTER_SIZE]; LONGEST val; regcache_raw_collect (regcache, regno, buf); - val = extract_signed_integer (buf, - register_size (current_gdbarch, regno)); + val = extract_signed_integer (buf, register_size (gdbarch, regno)); to = (gdb_byte *) (*fpregsetp + 32); store_signed_integer (to, 4, val); } - else if (regno == mips_regnum (current_gdbarch)->fp_implementation_revision) + else if (regno == mips_regnum (gdbarch)->fp_implementation_revision) { gdb_byte buf[MAX_REGISTER_SIZE]; LONGEST val; regcache_raw_collect (regcache, regno, buf); - val = extract_signed_integer (buf, - register_size (current_gdbarch, regno)); + val = extract_signed_integer (buf, register_size (gdbarch, regno)); to = (gdb_byte *) (*fpregsetp + 32) + 4; store_signed_integer (to, 4, val); } @@ -497,12 +487,12 @@ mips64_fill_fpregset (const struct regcache *regcache, for (regi = 0; regi < 32; regi++) mips64_fill_fpregset (regcache, fpregsetp, - gdbarch_fp0_regnum (current_gdbarch) + regi); + gdbarch_fp0_regnum (gdbarch) + regi); mips64_fill_fpregset (regcache, fpregsetp, - mips_regnum (current_gdbarch)->fp_control_status); + mips_regnum (gdbarch)->fp_control_status); mips64_fill_fpregset (regcache, fpregsetp, - (mips_regnum (current_gdbarch) - ->fp_implementation_revision)); + (mips_regnum (gdbarch) + ->fp_implementation_revision)); } } @@ -867,9 +857,10 @@ mips_linux_o32_sigframe_init (const struct tramp_frame *self, struct trad_frame_cache *this_cache, CORE_ADDR func) { + struct gdbarch *gdbarch = get_frame_arch (next_frame); int ireg, reg_position; CORE_ADDR sigcontext_base = func - SIGFRAME_CODE_OFFSET; - const struct mips_regnum *regs = mips_regnum (current_gdbarch); + const struct mips_regnum *regs = mips_regnum (gdbarch); CORE_ADDR regs_base; if (self == &mips_linux_o32_sigframe) @@ -882,21 +873,21 @@ mips_linux_o32_sigframe_init (const struct tramp_frame *self, per-frame basis, but right now we don't; the kernel saves eight bytes but we only want four. Use regs_base to access any 64-bit fields. */ - if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG) + if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) regs_base = sigcontext_base + 4; else regs_base = sigcontext_base; - if (mips_linux_restart_reg_p (current_gdbarch)) + if (mips_linux_restart_reg_p (gdbarch)) trad_frame_set_reg_addr (this_cache, (MIPS_RESTART_REGNUM - + gdbarch_num_regs (current_gdbarch)), + + gdbarch_num_regs (gdbarch)), regs_base + SIGCONTEXT_REGS); for (ireg = 1; ireg < 32; ireg++) trad_frame_set_reg_addr (this_cache, ireg + MIPS_ZERO_REGNUM - + gdbarch_num_regs (current_gdbarch), + + gdbarch_num_regs (gdbarch), regs_base + SIGCONTEXT_REGS + ireg * SIGCONTEXT_REG_SIZE); @@ -909,38 +900,38 @@ mips_linux_o32_sigframe_init (const struct tramp_frame *self, layout, since we can't tell, and it's much more common. Which bits are the "high" bits depends on endianness. */ for (ireg = 0; ireg < 32; ireg++) - if ((gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG) != (ireg & 1)) + if ((gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) != (ireg & 1)) trad_frame_set_reg_addr (this_cache, ireg + regs->fp0 + - gdbarch_num_regs (current_gdbarch), + gdbarch_num_regs (gdbarch), sigcontext_base + SIGCONTEXT_FPREGS + 4 + (ireg & ~1) * SIGCONTEXT_REG_SIZE); else trad_frame_set_reg_addr (this_cache, ireg + regs->fp0 - + gdbarch_num_regs (current_gdbarch), + + gdbarch_num_regs (gdbarch), sigcontext_base + SIGCONTEXT_FPREGS + (ireg & ~1) * SIGCONTEXT_REG_SIZE); trad_frame_set_reg_addr (this_cache, - regs->pc + gdbarch_num_regs (current_gdbarch), + regs->pc + gdbarch_num_regs (gdbarch), regs_base + SIGCONTEXT_PC); trad_frame_set_reg_addr (this_cache, regs->fp_control_status - + gdbarch_num_regs (current_gdbarch), + + gdbarch_num_regs (gdbarch), sigcontext_base + SIGCONTEXT_FPCSR); trad_frame_set_reg_addr (this_cache, - regs->hi + gdbarch_num_regs (current_gdbarch), + regs->hi + gdbarch_num_regs (gdbarch), regs_base + SIGCONTEXT_HI); trad_frame_set_reg_addr (this_cache, - regs->lo + gdbarch_num_regs (current_gdbarch), + regs->lo + gdbarch_num_regs (gdbarch), regs_base + SIGCONTEXT_LO); trad_frame_set_reg_addr (this_cache, - regs->cause + gdbarch_num_regs (current_gdbarch), + regs->cause + gdbarch_num_regs (gdbarch), sigcontext_base + SIGCONTEXT_CAUSE); trad_frame_set_reg_addr (this_cache, - regs->badvaddr + gdbarch_num_regs (current_gdbarch), + regs->badvaddr + gdbarch_num_regs (gdbarch), sigcontext_base + SIGCONTEXT_BADVADDR); /* Choice of the bottom of the sigframe is somewhat arbitrary. */ @@ -1028,54 +1019,55 @@ mips_linux_n32n64_sigframe_init (const struct tramp_frame *self, struct trad_frame_cache *this_cache, CORE_ADDR func) { + struct gdbarch *gdbarch = get_frame_arch (next_frame); int ireg, reg_position; CORE_ADDR sigcontext_base = func - SIGFRAME_CODE_OFFSET; - const struct mips_regnum *regs = mips_regnum (current_gdbarch); + const struct mips_regnum *regs = mips_regnum (gdbarch); if (self == &mips_linux_n32_rt_sigframe) sigcontext_base += N32_SIGFRAME_SIGCONTEXT_OFFSET; else sigcontext_base += N64_SIGFRAME_SIGCONTEXT_OFFSET; - if (mips_linux_restart_reg_p (current_gdbarch)) + if (mips_linux_restart_reg_p (gdbarch)) trad_frame_set_reg_addr (this_cache, (MIPS_RESTART_REGNUM - + gdbarch_num_regs (current_gdbarch)), + + gdbarch_num_regs (gdbarch)), sigcontext_base + N64_SIGCONTEXT_REGS); for (ireg = 1; ireg < 32; ireg++) trad_frame_set_reg_addr (this_cache, ireg + MIPS_ZERO_REGNUM - + gdbarch_num_regs (current_gdbarch), + + gdbarch_num_regs (gdbarch), sigcontext_base + N64_SIGCONTEXT_REGS + ireg * N64_SIGCONTEXT_REG_SIZE); for (ireg = 0; ireg < 32; ireg++) trad_frame_set_reg_addr (this_cache, ireg + regs->fp0 - + gdbarch_num_regs (current_gdbarch), + + gdbarch_num_regs (gdbarch), sigcontext_base + N64_SIGCONTEXT_FPREGS + ireg * N64_SIGCONTEXT_REG_SIZE); trad_frame_set_reg_addr (this_cache, - regs->pc + gdbarch_num_regs (current_gdbarch), + regs->pc + gdbarch_num_regs (gdbarch), sigcontext_base + N64_SIGCONTEXT_PC); trad_frame_set_reg_addr (this_cache, regs->fp_control_status - + gdbarch_num_regs (current_gdbarch), + + gdbarch_num_regs (gdbarch), sigcontext_base + N64_SIGCONTEXT_FPCSR); trad_frame_set_reg_addr (this_cache, - regs->hi + gdbarch_num_regs (current_gdbarch), + regs->hi + gdbarch_num_regs (gdbarch), sigcontext_base + N64_SIGCONTEXT_HI); trad_frame_set_reg_addr (this_cache, - regs->lo + gdbarch_num_regs (current_gdbarch), + regs->lo + gdbarch_num_regs (gdbarch), sigcontext_base + N64_SIGCONTEXT_LO); trad_frame_set_reg_addr (this_cache, - regs->cause + gdbarch_num_regs (current_gdbarch), + regs->cause + gdbarch_num_regs (gdbarch), sigcontext_base + N64_SIGCONTEXT_CAUSE); trad_frame_set_reg_addr (this_cache, - regs->badvaddr + gdbarch_num_regs (current_gdbarch), + regs->badvaddr + gdbarch_num_regs (gdbarch), sigcontext_base + N64_SIGCONTEXT_BADVADDR); /* Choice of the bottom of the sigframe is somewhat arbitrary. */ @@ -1087,11 +1079,11 @@ mips_linux_n32n64_sigframe_init (const struct tramp_frame *self, static void mips_linux_write_pc (struct regcache *regcache, CORE_ADDR pc) { - regcache_cooked_write_unsigned (regcache, - gdbarch_pc_regnum (current_gdbarch), pc); + struct gdbarch *gdbarch = get_regcache_arch (regcache); + regcache_cooked_write_unsigned (regcache, gdbarch_pc_regnum (gdbarch), pc); /* Clear the syscall restart flag. */ - if (mips_linux_restart_reg_p (current_gdbarch)) + if (mips_linux_restart_reg_p (gdbarch)) regcache_cooked_write_unsigned (regcache, MIPS_RESTART_REGNUM, 0); } |