sim-calls.c

这个是LINUX下的GDB调度工具的源码

/* OBSOLETE  */
/* OBSOLETE   /* check for/establish the a reference program image */ */
/* OBSOLETE   if (sim_analyze_program (sd, */
/* OBSOLETE 			   (STATE_PROG_ARGV (sd) != NULL */
/* OBSOLETE 			    ? *STATE_PROG_ARGV (sd) */
/* OBSOLETE 			    : NULL), */
/* OBSOLETE 			   abfd) != SIM_RC_OK) */
/* OBSOLETE     { */
/* OBSOLETE       sim_module_uninstall (sd); */
/* OBSOLETE       return 0; */
/* OBSOLETE     } */
/* OBSOLETE  */
/* OBSOLETE   /* establish any remaining configuration options */ */
/* OBSOLETE   if (sim_config (sd) != SIM_RC_OK) */
/* OBSOLETE     { */
/* OBSOLETE       sim_module_uninstall (sd); */
/* OBSOLETE       return 0; */
/* OBSOLETE     } */
/* OBSOLETE  */
/* OBSOLETE   if (sim_post_argv_init (sd) != SIM_RC_OK) */
/* OBSOLETE     { */
/* OBSOLETE       /* Uninstall the modules to avoid memory leaks, */
/* OBSOLETE 	 file descriptor leaks, etc.  */ */
/* OBSOLETE       sim_module_uninstall (sd); */
/* OBSOLETE       return 0; */
/* OBSOLETE     } */
/* OBSOLETE  */
/* OBSOLETE   return sd; */
/* OBSOLETE } */
/* OBSOLETE  */
/* OBSOLETE  */
/* OBSOLETE void */
/* OBSOLETE sim_close (SIM_DESC sd, int quitting) */
/* OBSOLETE { */
/* OBSOLETE   /* Uninstall the modules to avoid memory leaks, */
/* OBSOLETE      file descriptor leaks, etc.  */ */
/* OBSOLETE   sim_module_uninstall (sd); */
/* OBSOLETE } */
/* OBSOLETE  */
/* OBSOLETE  */
/* OBSOLETE SIM_RC */
/* OBSOLETE sim_create_inferior (SIM_DESC sd, */
/* OBSOLETE 		     struct _bfd *abfd, */
/* OBSOLETE 		     char **argv, */
/* OBSOLETE 		     char **envp) */
/* OBSOLETE { */
/* OBSOLETE   /* clear all registers */ */
/* OBSOLETE   memset (&STATE_CPU (sd, 0)->regs, 0, sizeof (STATE_CPU (sd, 0)->regs)); */
/* OBSOLETE   EIT_VB = EIT_VB_DEFAULT; */
/* OBSOLETE   STATE_CPU (sd, 0)->unit = any_unit; */
/* OBSOLETE   sim_module_init (sd); */
/* OBSOLETE   if (abfd != NULL) */
/* OBSOLETE     PC = bfd_get_start_address (abfd); */
/* OBSOLETE   else */
/* OBSOLETE     PC = 0xfffff000; /* reset value */ */
/* OBSOLETE   return SIM_RC_OK; */
/* OBSOLETE } */
/* OBSOLETE  */
/* OBSOLETE void */
/* OBSOLETE sim_do_command (SIM_DESC sd, char *cmd) */
/* OBSOLETE { */
/* OBSOLETE   if (sim_args_command (sd, cmd) != SIM_RC_OK) */
/* OBSOLETE     sim_io_printf (sd, "Unknown command `%s'\n", cmd); */
/* OBSOLETE } */
/* OBSOLETE  */
/* OBSOLETE /* The following register definitions were ripped off from */
/* OBSOLETE    gdb/config/tm-d30v.h.  If any of those defs changes, this table needs to */
/* OBSOLETE    be updated.  */ */
/* OBSOLETE  */
/* OBSOLETE #define NUM_REGS 86 */
/* OBSOLETE  */
/* OBSOLETE #define R0_REGNUM	0 */
/* OBSOLETE #define FP_REGNUM	11 */
/* OBSOLETE #define LR_REGNUM 	62 */
/* OBSOLETE #define SP_REGNUM 	63 */
/* OBSOLETE #define SPI_REGNUM	64	/* Interrupt stack pointer */ */
/* OBSOLETE #define SPU_REGNUM	65	/* User stack pointer */ */
/* OBSOLETE #define CREGS_START	66 */
/* OBSOLETE  */
/* OBSOLETE #define PSW_REGNUM 	(CREGS_START + 0) /* psw, bpsw, or dpsw??? */ */
/* OBSOLETE #define    PSW_SM 0x80000000	/* Stack mode: 0 == interrupt (SPI), */
/* OBSOLETE 					       1 == user (SPU) */ */
/* OBSOLETE #define BPSW_REGNUM	(CREGS_START + 1) /* Backup PSW (on interrupt) */ */
/* OBSOLETE #define PC_REGNUM 	(CREGS_START + 2) /* pc, bpc, or dpc??? */ */
/* OBSOLETE #define BPC_REGNUM 	(CREGS_START + 3) /* Backup PC (on interrupt) */ */
/* OBSOLETE #define DPSW_REGNUM	(CREGS_START + 4) /* Backup PSW (on debug trap) */ */
/* OBSOLETE #define DPC_REGNUM 	(CREGS_START + 5) /* Backup PC (on debug trap) */ */
/* OBSOLETE #define RPT_C_REGNUM	(CREGS_START + 7) /* Loop count */ */
/* OBSOLETE #define RPT_S_REGNUM	(CREGS_START + 8) /* Loop start address*/ */
/* OBSOLETE #define RPT_E_REGNUM	(CREGS_START + 9) /* Loop end address */ */
/* OBSOLETE #define MOD_S_REGNUM	(CREGS_START + 10) */
/* OBSOLETE #define MOD_E_REGNUM	(CREGS_START + 11) */
/* OBSOLETE #define IBA_REGNUM	(CREGS_START + 14) /* Instruction break address */ */
/* OBSOLETE #define EIT_VB_REGNUM	(CREGS_START + 15) /* Vector base address */ */
/* OBSOLETE #define INT_S_REGNUM	(CREGS_START + 16) /* Interrupt status */ */
/* OBSOLETE #define INT_M_REGNUM	(CREGS_START + 17) /* Interrupt mask */ */
/* OBSOLETE #define A0_REGNUM 	84 */
/* OBSOLETE #define A1_REGNUM 	85 */
/* OBSOLETE  */
/* OBSOLETE int */
/* OBSOLETE sim_fetch_register (sd, regno, buf, length) */
/* OBSOLETE      SIM_DESC sd; */
/* OBSOLETE      int regno; */
/* OBSOLETE      unsigned char *buf; */
/* OBSOLETE      int length; */
/* OBSOLETE { */
/* OBSOLETE   if (regno < A0_REGNUM) */
/* OBSOLETE     { */
/* OBSOLETE       unsigned32 reg; */
/* OBSOLETE  */
/* OBSOLETE       if (regno <= R0_REGNUM + 63) */
/* OBSOLETE 	reg = sd->cpu[0].regs.general_purpose[regno]; */
/* OBSOLETE       else if (regno <= SPU_REGNUM) */
/* OBSOLETE 	reg = sd->cpu[0].regs.sp[regno - SPI_REGNUM]; */
/* OBSOLETE       else */
/* OBSOLETE 	reg = sd->cpu[0].regs.control[regno - CREGS_START]; */
/* OBSOLETE  */
/* OBSOLETE       buf[0] = reg >> 24; */
/* OBSOLETE       buf[1] = reg >> 16; */
/* OBSOLETE       buf[2] = reg >> 8; */
/* OBSOLETE       buf[3] = reg; */
/* OBSOLETE     } */
/* OBSOLETE   else if (regno < NUM_REGS) */
/* OBSOLETE     { */
/* OBSOLETE       unsigned32 reg; */
/* OBSOLETE  */
/* OBSOLETE       reg = sd->cpu[0].regs.accumulator[regno - A0_REGNUM] >> 32; */
/* OBSOLETE  */
/* OBSOLETE       buf[0] = reg >> 24; */
/* OBSOLETE       buf[1] = reg >> 16; */
/* OBSOLETE       buf[2] = reg >> 8; */
/* OBSOLETE       buf[3] = reg; */
/* OBSOLETE  */
/* OBSOLETE       reg = sd->cpu[0].regs.accumulator[regno - A0_REGNUM]; */
/* OBSOLETE  */
/* OBSOLETE       buf[4] = reg >> 24; */
/* OBSOLETE       buf[5] = reg >> 16; */
/* OBSOLETE       buf[6] = reg >> 8; */
/* OBSOLETE       buf[7] = reg; */
/* OBSOLETE     } */
/* OBSOLETE   else */
/* OBSOLETE     abort (); */
/* OBSOLETE   return -1; */
/* OBSOLETE } */
/* OBSOLETE  */
/* OBSOLETE int */
/* OBSOLETE sim_store_register (sd, regno, buf, length) */
/* OBSOLETE      SIM_DESC sd; */
/* OBSOLETE      int regno; */
/* OBSOLETE      unsigned char *buf; */
/* OBSOLETE      int length; */
/* OBSOLETE { */
/* OBSOLETE   if (regno < A0_REGNUM) */
/* OBSOLETE     { */
/* OBSOLETE       unsigned32 reg; */
/* OBSOLETE  */
/* OBSOLETE       reg = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; */
/* OBSOLETE  */
/* OBSOLETE       if (regno <= R0_REGNUM + 63) */
/* OBSOLETE 	sd->cpu[0].regs.general_purpose[regno] = reg; */
/* OBSOLETE       else if (regno <= SPU_REGNUM) */
/* OBSOLETE 	sd->cpu[0].regs.sp[regno - SPI_REGNUM] = reg; */
/* OBSOLETE       else */
/* OBSOLETE 	sd->cpu[0].regs.control[regno - CREGS_START] = reg; */
/* OBSOLETE     } */
/* OBSOLETE   else if (regno < NUM_REGS) */
/* OBSOLETE     { */
/* OBSOLETE       unsigned32 reg; */
/* OBSOLETE  */
/* OBSOLETE       reg = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; */
/* OBSOLETE  */
/* OBSOLETE       sd->cpu[0].regs.accumulator[regno - A0_REGNUM] = (unsigned64)reg << 32; */
/* OBSOLETE  */
/* OBSOLETE       reg = (buf[4] << 24) | (buf[5] << 16) | (buf[6] << 8) | buf[7]; */
/* OBSOLETE  */
/* OBSOLETE       sd->cpu[0].regs.accumulator[regno - A0_REGNUM] |= reg; */
/* OBSOLETE     } */
/* OBSOLETE   else */
/* OBSOLETE     abort (); */
/* OBSOLETE   return -1; */
/* OBSOLETE } */