diff options
Diffstat (limited to 'gdb/ppc-linux-nat.c')
| -rw-r--r-- | gdb/ppc-linux-nat.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/gdb/ppc-linux-nat.c b/gdb/ppc-linux-nat.c index e1649197e8f..d0bff2ef7bd 100644 --- a/gdb/ppc-linux-nat.c +++ b/gdb/ppc-linux-nat.c @@ -127,34 +127,37 @@ ppc_register_u_addr (int regno) { int u_addr = -1; struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + int wordsize = tdep->wordsize; /* General purpose registers occupy 1 slot each in the buffer */ if (regno >= tdep->ppc_gp0_regnum && regno <= tdep->ppc_gplast_regnum ) - u_addr = ((PT_R0 + regno) * 4); + u_addr = ((PT_R0 + regno) * wordsize); - /* Floating point regs: 2 slots each */ + /* Floating point regs: eight bytes each in both 32- and 64-bit + ptrace interfaces. Thus, two slots each in 32-bit interface, one + slot each in 64-bit interface. */ if (regno >= FP0_REGNUM && regno <= FPLAST_REGNUM) - u_addr = ((PT_FPR0 + (regno - FP0_REGNUM) * 2) * 4); + u_addr = (PT_FPR0 * wordsize) + ((regno - FP0_REGNUM) * 8); /* UISA special purpose registers: 1 slot each */ if (regno == PC_REGNUM) - u_addr = PT_NIP * 4; + u_addr = PT_NIP * wordsize; if (regno == tdep->ppc_lr_regnum) - u_addr = PT_LNK * 4; + u_addr = PT_LNK * wordsize; if (regno == tdep->ppc_cr_regnum) - u_addr = PT_CCR * 4; + u_addr = PT_CCR * wordsize; if (regno == tdep->ppc_xer_regnum) - u_addr = PT_XER * 4; + u_addr = PT_XER * wordsize; if (regno == tdep->ppc_ctr_regnum) - u_addr = PT_CTR * 4; + u_addr = PT_CTR * wordsize; #ifdef PT_MQ if (regno == tdep->ppc_mq_regnum) - u_addr = PT_MQ * 4; + u_addr = PT_MQ * wordsize; #endif if (regno == tdep->ppc_ps_regnum) - u_addr = PT_MSR * 4; + u_addr = PT_MSR * wordsize; if (regno == tdep->ppc_fpscr_regnum) - u_addr = PT_FPSCR * 4; + u_addr = PT_FPSCR * wordsize; return u_addr; } |