diff options
Diffstat (limited to 'gdb/mips-linux-nat.c')
| -rw-r--r-- | gdb/mips-linux-nat.c | 78 |
1 files changed, 73 insertions, 5 deletions
diff --git a/gdb/mips-linux-nat.c b/gdb/mips-linux-nat.c index d5a1202..b4c275a 100644 --- a/gdb/mips-linux-nat.c +++ b/gdb/mips-linux-nat.c @@ -26,7 +26,6 @@ #include "target.h" #include "linux-nat.h" #include "mips-linux-tdep.h" -#include "gdbcore.h" #include "gdb_proc_service.h" @@ -87,6 +86,75 @@ mips_linux_cannot_store_register (int regno) return 1; } +/* Map gdb internal register number to ptrace ``address''. + These ``addresses'' are normally defined in <asm/ptrace.h>. */ + +static CORE_ADDR +mips_linux_register_addr (int regno) +{ + int regaddr; + + if (regno < 0 || regno >= NUM_REGS) + error (_("Bogon register number %d."), regno); + + if (regno < 32) + regaddr = regno; + else if ((regno >= mips_regnum (current_gdbarch)->fp0) + && (regno < mips_regnum (current_gdbarch)->fp0 + 32)) + regaddr = FPR_BASE + (regno - mips_regnum (current_gdbarch)->fp0); + else if (regno == mips_regnum (current_gdbarch)->pc) + regaddr = PC; + else if (regno == mips_regnum (current_gdbarch)->cause) + regaddr = CAUSE; + else if (regno == mips_regnum (current_gdbarch)->badvaddr) + regaddr = BADVADDR; + else if (regno == mips_regnum (current_gdbarch)->lo) + regaddr = MMLO; + else if (regno == mips_regnum (current_gdbarch)->hi) + regaddr = MMHI; + else if (regno == mips_regnum (current_gdbarch)->fp_control_status) + regaddr = FPC_CSR; + else if (regno == mips_regnum (current_gdbarch)->fp_implementation_revision) + regaddr = FPC_EIR; + else + error (_("Unknowable register number %d."), regno); + + return regaddr; +} + +static CORE_ADDR +mips64_linux_register_addr (int regno) +{ + int regaddr; + + if (regno < 0 || regno >= NUM_REGS) + error (_("Bogon register number %d."), regno); + + if (regno < 32) + regaddr = regno; + else if ((regno >= mips_regnum (current_gdbarch)->fp0) + && (regno < mips_regnum (current_gdbarch)->fp0 + 32)) + regaddr = MIPS64_FPR_BASE + (regno - FP0_REGNUM); + else if (regno == mips_regnum (current_gdbarch)->pc) + regaddr = MIPS64_PC; + else if (regno == mips_regnum (current_gdbarch)->cause) + regaddr = MIPS64_CAUSE; + else if (regno == mips_regnum (current_gdbarch)->badvaddr) + regaddr = MIPS64_BADVADDR; + else if (regno == mips_regnum (current_gdbarch)->lo) + regaddr = MIPS64_MMLO; + else if (regno == mips_regnum (current_gdbarch)->hi) + regaddr = MIPS64_MMHI; + else if (regno == mips_regnum (current_gdbarch)->fp_control_status) + regaddr = MIPS64_FPC_CSR; + else if (regno == mips_regnum (current_gdbarch)->fp_implementation_revision) + regaddr = MIPS64_FPC_EIR; + else + error (_("Unknowable register number %d."), regno); + + return regaddr; +} + /* Fetch the thread-local storage pointer for libthread_db. */ ps_err_e @@ -253,10 +321,10 @@ mips64_linux_store_registers (int regnum) static CORE_ADDR mips_linux_register_u_offset (int regno) { - /* FIXME drow/2005-09-04: The hardcoded use of register_addr should go - away. This requires disentangling the various definitions of it - (particularly alpha-nat.c's). */ - return register_addr (regno, 0); + if (mips_abi_regsize (current_gdbarch) == 8) + return mips64_linux_register_addr (regno); + else + return mips_linux_register_addr (regno); } void _initialize_mips_linux_nat (void); |