extern int inferior_pid;
void quit (), perror_with_name ();
-#ifdef TM_I386_H
+#define RF(dst, src) \
+ memcpy(®isters[REGISTER_BYTE(dst)], &src, sizeof(src))
+
+#define RS(src, dst) \
+ memcpy(&dst, ®isters[REGISTER_BYTE(src)], sizeof(dst))
+
+#ifdef __i386__
+struct env387
+ {
+ unsigned short control;
+ unsigned short r0;
+ unsigned short status;
+ unsigned short r1;
+ unsigned short tag;
+ unsigned short r2;
+ unsigned long eip;
+ unsigned short code_seg;
+ unsigned short opcode;
+ unsigned long operand;
+ unsigned short operand_seg;
+ unsigned short r3;
+ unsigned char regs[8][10];
+ };
+
/* i386_register_raw_size[i] is the number of bytes of storage in the
actual machine representation for register i. */
int i386_register_raw_size[MAX_NUM_REGS] = {
}
}
}
+#endif /* !__i386__ */
-#endif
+#ifdef __powerpc__
+static void
+initialize_arch()
+{
+}
+#endif /* !__powerpc__ */
/* Start an inferior process and returns its pid.
perror_with_name ("ptrace");
}
+
+#ifdef __i386__
/* Fetch one or more registers from the inferior. REGNO == -1 to get
them all. We actually fetch more than requested, when convenient,
marking them as valid so we won't fetch them again. */
int ignored;
{
struct reg inferior_registers;
- struct fpreg inferior_fp_registers;
+ struct env387 inferior_fp_registers;
ptrace (PT_GETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_registers, 0);
- memcpy (®isters[REGISTER_BYTE(0)], &inferior_registers,
- sizeof(inferior_registers));
-
-#if 0 /* def FP0_REGNUM */
ptrace (PT_GETFPREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_fp_registers, 0);
- memcpy (®isters[REGISTER_BYTE(FP0_REGNUM)], &inferior_fp_registers,
- sizeof(inferior_fp_registers));
-#endif
+
+ RF ( 0, inferior_registers.r_eax);
+ RF ( 1, inferior_registers.r_ecx);
+ RF ( 2, inferior_registers.r_edx);
+ RF ( 3, inferior_registers.r_ebx);
+ RF ( 4, inferior_registers.r_esp);
+ RF ( 5, inferior_registers.r_ebp);
+ RF ( 6, inferior_registers.r_esi);
+ RF ( 7, inferior_registers.r_edi);
+ RF ( 8, inferior_registers.r_eip);
+ RF ( 9, inferior_registers.r_eflags);
+ RF (10, inferior_registers.r_cs);
+ RF (11, inferior_registers.r_ss);
+ RF (12, inferior_registers.r_ds);
+ RF (13, inferior_registers.r_es);
+ RF (14, inferior_registers.r_fs);
+ RF (15, inferior_registers.r_gs);
+
+ RF (FP0_REGNUM, inferior_fpregisters.regs[0]);
+ RF (FP0_REGNUM + 1, inferior_fpregisters.regs[1]);
+ RF (FP0_REGNUM + 2, inferior_fpregisters.regs[2]);
+ RF (FP0_REGNUM + 3, inferior_fpregisters.regs[3]);
+ RF (FP0_REGNUM + 4, inferior_fpregisters.regs[4]);
+ RF (FP0_REGNUM + 5, inferior_fpregisters.regs[5]);
+ RF (FP0_REGNUM + 6, inferior_fpregisters.regs[6]);
+ RF (FP0_REGNUM + 7, inferior_fpregisters.regs[7]);
+
+ RF (FCTRL_REGNUM, inferior_fpregisters.control);
+ RF (FSTAT_REGNUM, inferior_fpregisters.status);
+ RF (FTAG_REGNUM, inferior_fpregisters.tag);
+ RF (FCS_REGNUM, inferior_fpregisters.code_seg);
+ RF (FCOFF_REGNUM, inferior_fpregisters.eip);
+ RF (FDS_REGNUM, inferior_fpregisters.operand_seg);
+ RF (FDOFF_REGNUM, inferior_fpregisters.operand);
+ RF (FOP_REGNUM, inferior_fpregisters.opcode);
}
/* Store our register values back into the inferior.
int ignored;
{
struct reg inferior_registers;
- struct fpreg inferior_fp_registers;
+ struct env387 inferior_fp_registers;
+
+ RS ( 0, inferior_registers.r_eax);
+ RS ( 1, inferior_registers.r_ecx);
+ RS ( 2, inferior_registers.r_edx);
+ RS ( 3, inferior_registers.r_ebx);
+ RS ( 4, inferior_registers.r_esp);
+ RS ( 5, inferior_registers.r_ebp);
+ RS ( 6, inferior_registers.r_esi);
+ RS ( 7, inferior_registers.r_edi);
+ RS ( 8, inferior_registers.r_eip);
+ RS ( 9, inferior_registers.r_eflags);
+ RS (10, inferior_registers.r_cs);
+ RS (11, inferior_registers.r_ss);
+ RS (12, inferior_registers.r_ds);
+ RS (13, inferior_registers.r_es);
+ RS (14, inferior_registers.r_fs);
+ RS (15, inferior_registers.r_gs);
+
+ RS (FP0_REGNUM, inferior_fpregisters.regs[0]);
+ RS (FP0_REGNUM + 1, inferior_fpregisters.regs[1]);
+ RS (FP0_REGNUM + 2, inferior_fpregisters.regs[2]);
+ RS (FP0_REGNUM + 3, inferior_fpregisters.regs[3]);
+ RS (FP0_REGNUM + 4, inferior_fpregisters.regs[4]);
+ RS (FP0_REGNUM + 5, inferior_fpregisters.regs[5]);
+ RS (FP0_REGNUM + 6, inferior_fpregisters.regs[6]);
+ RS (FP0_REGNUM + 7, inferior_fpregisters.regs[7]);
+
+ RS (FCTRL_REGNUM, inferior_fpregisters.control);
+ RS (FSTAT_REGNUM, inferior_fpregisters.status);
+ RS (FTAG_REGNUM, inferior_fpregisters.tag);
+ RS (FCS_REGNUM, inferior_fpregisters.code_seg);
+ RS (FCOFF_REGNUM, inferior_fpregisters.eip);
+ RS (FDS_REGNUM, inferior_fpregisters.operand_seg);
+ RS (FDOFF_REGNUM, inferior_fpregisters.operand);
+ RS (FOP_REGNUM, inferior_fpregisters.opcode);
- memcpy (&inferior_registers, ®isters[REGISTER_BYTE(0)],
- sizeof(inferior_registers));
ptrace (PT_SETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_registers, 0);
-
-#if 0 /* def FP0_REGNUM */
- memcpy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)],
- sizeof (inferior_fp_registers));
ptrace (PT_SETFPREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_fp_registers, 0);
-#endif
}
+#endif /* !__i386__ */
+
+#ifdef __powerpc__
+/* Fetch one or more registers from the inferior. REGNO == -1 to get
+ them all. We actually fetch more than requested, when convenient,
+ marking them as valid so we won't fetch them again. */
+
+void
+fetch_inferior_registers (regno)
+ int regno;
+{
+ struct reg inferior_registers;
+ struct fpreg inferior_fp_registers;
+ int i;
+
+ ptrace (PT_GETREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) & inferior_registers, 0);
+ ptrace (PT_GETFPREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers, 0);
+
+ for (i = 0; i < 32; i++)
+ RF (i, inferior_registers.fixreg[i]);
+ RF (LR_REGNUM, inferior_registers.lr);
+ RF (CR_REGNUM, inferior_registers.cr);
+ RF (XER_REGNUM, inferior_registers.xer);
+ RF (CTR_REGNUM, inferior_registers.ctr);
+ RF (PC_REGNUM, inferior_registers.pc);
+
+ for (i = 0; i < 32; i++)
+ RF (FP0_REGNUM + i, inferior_fp_registers.r_regs[i]);
+}
+
+/* Store our register values back into the inferior.
+ If REGNO is -1, do this for all registers.
+ Otherwise, REGNO specifies which register (so we can save time). */
+
+void
+store_inferior_registers (regno)
+ int regno;
+{
+ struct reg inferior_registers;
+ struct fpreg inferior_fp_registers;
+ int i;
+
+ for (i = 0; i < 32; i++)
+ RS (i, inferior_registers.fixreg[i]);
+ RS (LR_REGNUM, inferior_registers.lr);
+ RS (CR_REGNUM, inferior_registers.cr);
+ RS (XER_REGNUM, inferior_registers.xer);
+ RS (CTR_REGNUM, inferior_registers.ctr);
+ RS (PC_REGNUM, inferior_registers.pc);
+
+ for (i = 0; i < 32; i++)
+ RS (FP0_REGNUM + i, inferior_fp_registers.r_regs[i]);
+
+ ptrace (PT_SETREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) & inferior_registers, 0);
+ ptrace (PT_SETFPREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers, 0);
+}
+#endif /* !__powerpc__ */
/* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory
in the NEW_SUN_PTRACE case.
projects / binutils-gdb.git / commitdiff