// OBSOLETE /* Parameters for execution on an HP PA-RISC machine running OSF1, for GDB. // OBSOLETE Contributed by the Center for Software Science at the // OBSOLETE University of Utah (pa-gdb-bugs@cs.utah.edu). */ // OBSOLETE // OBSOLETE #include "regcache.h" // OBSOLETE // OBSOLETE /* Define offsets to access CPROC stack when it does not have // OBSOLETE * a kernel thread. // OBSOLETE */ // OBSOLETE #define MACHINE_CPROC_SP_OFFSET 20 // OBSOLETE #define MACHINE_CPROC_PC_OFFSET 16 // OBSOLETE #define MACHINE_CPROC_FP_OFFSET 12 // OBSOLETE // OBSOLETE /* // OBSOLETE * Software defined PSW masks. // OBSOLETE */ // OBSOLETE #define PSW_SS 0x10000000 /* Kernel managed single step */ // OBSOLETE // OBSOLETE /* Thread flavors used in re-setting the T bit. // OBSOLETE * @@ this is also bad for cross debugging. // OBSOLETE */ // OBSOLETE #define TRACE_FLAVOR HP800_THREAD_STATE // OBSOLETE #define TRACE_FLAVOR_SIZE HP800_THREAD_STATE_COUNT // OBSOLETE #define TRACE_SET(x,state) \ // OBSOLETE ((struct hp800_thread_state *)state)->cr22 |= PSW_SS // OBSOLETE #define TRACE_CLEAR(x,state) \ // OBSOLETE ((((struct hp800_thread_state *)state)->cr22 &= ~PSW_SS), 1) // OBSOLETE // OBSOLETE /* For OSF1 (Should be close if not identical to BSD, but I haven't // OBSOLETE tested it yet): // OBSOLETE // OBSOLETE The signal context structure pointer is always saved at the base // OBSOLETE of the frame + 0x4. // OBSOLETE // OBSOLETE We get the PC & SP directly from the sigcontext structure itself. // OBSOLETE For other registers we have to dive in a little deeper: // OBSOLETE // OBSOLETE The hardware save state pointer is at offset 0x10 within the // OBSOLETE signal context structure. // OBSOLETE // OBSOLETE Within the hardware save state, registers are found in the same order // OBSOLETE as the register numbers in GDB. */ // OBSOLETE // OBSOLETE #define FRAME_SAVED_PC_IN_SIGTRAMP(FRAME, TMP) \ // OBSOLETE { \ // OBSOLETE *(TMP) = read_memory_integer ((FRAME)->frame + 0x4, 4); \ // OBSOLETE *(TMP) = read_memory_integer (*(TMP) + 0x18, 4); \ // OBSOLETE } // OBSOLETE // OBSOLETE #define FRAME_BASE_BEFORE_SIGTRAMP(FRAME, TMP) \ // OBSOLETE { \ // OBSOLETE *(TMP) = read_memory_integer ((FRAME)->frame + 0x4, 4); \ // OBSOLETE *(TMP) = read_memory_integer (*(TMP) + 0x8, 4); \ // OBSOLETE } // OBSOLETE // OBSOLETE #define FRAME_FIND_SAVED_REGS_IN_SIGTRAMP(FRAME, FSR) \ // OBSOLETE { \ // OBSOLETE int i; \ // OBSOLETE CORE_ADDR TMP; \ // OBSOLETE TMP = read_memory_integer ((FRAME)->frame + 0x4, 4); \ // OBSOLETE TMP = read_memory_integer (TMP + 0x10, 4); \ // OBSOLETE for (i = 0; i < NUM_REGS; i++) \ // OBSOLETE { \ // OBSOLETE if (i == SP_REGNUM) \ // OBSOLETE (FSR)->regs[SP_REGNUM] = read_memory_integer (TMP + SP_REGNUM * 4, 4); \ // OBSOLETE else \ // OBSOLETE (FSR)->regs[i] = TMP + i * 4; \ // OBSOLETE } \ // OBSOLETE } // OBSOLETE // OBSOLETE /* OSF1 does not need the pc space queue restored. */ // OBSOLETE #define NO_PC_SPACE_QUEUE_RESTORE // OBSOLETE // OBSOLETE /* The mach kernel uses the recovery counter to implement single // OBSOLETE stepping. While this greatly simplifies the kernel support // OBSOLETE necessary for single stepping, it unfortunately does the wrong // OBSOLETE thing in the presense of a nullified instruction (gives control // OBSOLETE back two insns after the nullifed insn). This is an artifact // OBSOLETE of the HP architecture (recovery counter doesn't tick for // OBSOLETE nullified insns). // OBSOLETE // OBSOLETE Do our best to avoid losing in such situations. */ // OBSOLETE #define INSTRUCTION_NULLIFIED \ // OBSOLETE (({ \ // OBSOLETE int ipsw = (int)read_register(IPSW_REGNUM); \ // OBSOLETE if (ipsw & PSW_N) \ // OBSOLETE { \ // OBSOLETE int pcoqt = (int)read_register(PCOQ_TAIL_REGNUM); \ // OBSOLETE write_register(PCOQ_HEAD_REGNUM, pcoqt); \ // OBSOLETE write_register(PCOQ_TAIL_REGNUM, pcoqt + 0x4); \ // OBSOLETE write_register(IPSW_REGNUM, ipsw & ~(PSW_N | PSW_B | PSW_X)); \ // OBSOLETE stop_pc = pcoqt; \ // OBSOLETE } \ // OBSOLETE }), 0) // OBSOLETE // OBSOLETE /* It's mostly just the common stuff. */ // OBSOLETE // OBSOLETE #include "pa/tm-hppa.h"