state = (struct save_state *)(&(scp->sc_sl.sl_ss));
if (state == NULL)
- return NULL;
+ return NULL;
/* Check the instruction address first. */
addr = (os_vm_address_t)((unsigned long)scp->sc_pcoq_head & ~3);
if (addr < (os_vm_address_t)0x1000)
- return addr;
+ return addr;
/* Otherwise, it must have been a data fault. */
return (os_vm_address_t)state->ss_cr21;
state = (struct hp800_thread_state *)(scp->sc_ap);
if (state == NULL)
- return NULL;
+ return NULL;
/* Check the instruction address first. */
addr = scp->sc_pcoqh & ~3;
if (addr < 0x1000)
- return addr;
+ return addr;
/* Otherwise, it must have been a data fault. */
return state->cr21;
/* state so that we will continue as if nothing happened. */
if (NextPc == NULL)
- lose("SingleStepBreakpoint trap at strange time.");
+ lose("SingleStepBreakpoint trap at strange time.");
if ((SC_PC(scp)&~3) == (unsigned long)SingleStepTraps) {
- /* The next instruction was not nullified. */
- SC_PC(scp) = NextPc;
- if ((SC_NPC(scp)&~3) == (unsigned long)SingleStepTraps + 4) {
- /* The instruction we just stepped over was not a branch, so */
- /* we need to fix it up. If it was a branch, it will point to */
- /* the correct place. */
- SC_NPC(scp) = NextPc + 4;
- }
+ /* The next instruction was not nullified. */
+ SC_PC(scp) = NextPc;
+ if ((SC_NPC(scp)&~3) == (unsigned long)SingleStepTraps + 4) {
+ /* The instruction we just stepped over was not a branch, so */
+ /* we need to fix it up. If it was a branch, it will point to */
+ /* the correct place. */
+ SC_NPC(scp) = NextPc + 4;
+ }
}
else {
- /* The next instruction was nullified, so we want to skip it. */
- SC_PC(scp) = NextPc + 4;
- SC_NPC(scp) = NextPc + 8;
+ /* The next instruction was nullified, so we want to skip it. */
+ SC_PC(scp) = NextPc + 4;
+ SC_NPC(scp) = NextPc + 8;
}
NextPc = NULL;
if (BreakpointAddr) {
- *BreakpointAddr = trap_Breakpoint;
- os_flush_icache((os_vm_address_t)BreakpointAddr,
- sizeof(unsigned long));
- BreakpointAddr = NULL;
+ *BreakpointAddr = trap_Breakpoint;
+ os_flush_icache((os_vm_address_t)BreakpointAddr,
+ sizeof(unsigned long));
+ BreakpointAddr = NULL;
}
}
#endif
#if 0
printf("sigtrap_handler, pc=0x%08x, alloc=0x%08x\n", scp->sc_pcoqh,
- SC_REG(scp,reg_ALLOC));
+ SC_REG(scp,reg_ALLOC));
#endif
bad_inst = *(unsigned long *)(*os_context_pc_addr(context) & ~3);
if (bad_inst & 0xfc001fe0)
- interrupt_handle_now(signal, siginfo, context);
+ interrupt_handle_now(signal, siginfo, context);
else {
- int im5 = bad_inst & 0x1f;
-
- switch (im5) {
- case trap_Halt:
- fake_foreign_function_call(context);
- lose("%%primitive halt called; the party is over.\n");
-
- case trap_PendingInterrupt:
- arch_skip_instruction(context);
- interrupt_handle_pending(context);
- break;
-
- case trap_Error:
- case trap_Cerror:
- interrupt_internal_error(signal, siginfo, context, im5==trap_Cerror);
- break;
-
- case trap_Breakpoint:
- /*sigsetmask(scp->sc_mask); */
- handle_breakpoint(signal, siginfo, context);
- break;
-
- case trap_FunEndBreakpoint:
- /*sigsetmask(scp->sc_mask); */
- {
- unsigned long pc;
- pc = (unsigned long)
- handle_fun_end_breakpoint(signal, siginfo, context);
- *os_context_pc_addr(context) = pc;
- *os_context_npc_addr(context) = pc + 4;
- }
- break;
-
- case trap_SingleStepBreakpoint:
- /* Uh, FIXME */
+ int im5 = bad_inst & 0x1f;
+
+ switch (im5) {
+ case trap_Halt:
+ fake_foreign_function_call(context);
+ lose("%%primitive halt called; the party is over.\n");
+
+ case trap_PendingInterrupt:
+ arch_skip_instruction(context);
+ interrupt_handle_pending(context);
+ break;
+
+ case trap_Error:
+ case trap_Cerror:
+ interrupt_internal_error(signal, siginfo, context, im5==trap_Cerror);
+ break;
+
+ case trap_Breakpoint:
+ /*sigsetmask(scp->sc_mask); */
+ handle_breakpoint(signal, siginfo, context);
+ break;
+
+ case trap_FunEndBreakpoint:
+ /*sigsetmask(scp->sc_mask); */
+ {
+ unsigned long pc;
+ pc = (unsigned long)
+ handle_fun_end_breakpoint(signal, siginfo, context);
+ *os_context_pc_addr(context) = pc;
+ *os_context_npc_addr(context) = pc + 4;
+ }
+ break;
+
+ case trap_SingleStepBreakpoint:
+ /* Uh, FIXME */
#ifdef hpux
- restore_breakpoint(context);
+ restore_breakpoint(context);
#endif
- break;
-
- default:
- interrupt_handle_now(signal, siginfo, context);
- break;
- }
+ break;
+
+ default:
+ interrupt_handle_now(signal, siginfo, context);
+ break;
+ }
}
}
#if 0
printf("sigfpe_handler, pc=0x%08x, alloc=0x%08x\n", scp->sc_pcoqh,
- SC_REG(scp,reg_ALLOC));
+ SC_REG(scp,reg_ALLOC));
#endif
switch (siginfo->si_code) {
case FPE_INTOVF: /*I_OVFLO: */
- badinst = *(unsigned long *)(*os_context_pc_addr(context) & ~3);
- opcode = badinst >> 26;
-
- if (opcode == 2) {
- /* reg/reg inst. */
- r1 = (badinst >> 16) & 0x1f;
- op1 = fixnum_value(*os_context_register_addr(context, r1));
- r2 = (badinst >> 21) & 0x1f;
- op2 = fixnum_value(*os_context_register_addr(context, r2));
- t = badinst & 0x1f;
-
- switch ((badinst >> 5) & 0x7f) {
- case 0x70:
- /* Add and trap on overflow. */
- res = op1 + op2;
- break;
-
- case 0x60:
- /* Subtract and trap on overflow. */
- res = op1 - op2;
- break;
-
- default:
- goto not_interesting;
- }
- }
- else if ((opcode & 0x37) == 0x25 && (badinst & (1<<11))) {
- /* Add or subtract immediate. */
- op1 = ((badinst >> 3) & 0xff) | ((-badinst&1)<<8);
- r2 = (badinst >> 16) & 0x1f;
- op2 = fixnum_value(*os_context_register_addr(context, r1));
- t = (badinst >> 21) & 0x1f;
- if (opcode == 0x2d)
- res = op1 + op2;
- else
- res = op1 - op2;
- }
- else
- goto not_interesting;
-
- /* ?? What happens here if we hit the end of dynamic space? */
+ badinst = *(unsigned long *)(*os_context_pc_addr(context) & ~3);
+ opcode = badinst >> 26;
+
+ if (opcode == 2) {
+ /* reg/reg inst. */
+ r1 = (badinst >> 16) & 0x1f;
+ op1 = fixnum_value(*os_context_register_addr(context, r1));
+ r2 = (badinst >> 21) & 0x1f;
+ op2 = fixnum_value(*os_context_register_addr(context, r2));
+ t = badinst & 0x1f;
+
+ switch ((badinst >> 5) & 0x7f) {
+ case 0x70:
+ /* Add and trap on overflow. */
+ res = op1 + op2;
+ break;
+
+ case 0x60:
+ /* Subtract and trap on overflow. */
+ res = op1 - op2;
+ break;
+
+ default:
+ goto not_interesting;
+ }
+ }
+ else if ((opcode & 0x37) == 0x25 && (badinst & (1<<11))) {
+ /* Add or subtract immediate. */
+ op1 = ((badinst >> 3) & 0xff) | ((-badinst&1)<<8);
+ r2 = (badinst >> 16) & 0x1f;
+ op2 = fixnum_value(*os_context_register_addr(context, r1));
+ t = (badinst >> 21) & 0x1f;
+ if (opcode == 0x2d)
+ res = op1 + op2;
+ else
+ res = op1 - op2;
+ }
+ else
+ goto not_interesting;
+
+ /* ?? What happens here if we hit the end of dynamic space? */
dynamic_space_free_pointer = (lispobj *) *os_context_register_addr(context, reg_ALLOC);
- *os_context_register_addr(context, t) = alloc_number(res);
- *os_context_register_addr(context, reg_ALLOC)
- = (unsigned long) dynamic_space_free_pointer;
- arch_skip_instruction(context);
-
- break;
-
+ *os_context_register_addr(context, t) = alloc_number(res);
+ *os_context_register_addr(context, reg_ALLOC)
+ = (unsigned long) dynamic_space_free_pointer;
+ arch_skip_instruction(context);
+
+ break;
+
case 0: /* I_COND: ?? Maybe tagged add?? FIXME */
- badinst = *(unsigned long *)(*os_context_pc_addr(context) & ~3);
- if ((badinst&0xfffff800) == (0xb000e000|reg_ALLOC<<21|reg_ALLOC<<16)) {
- /* It is an ADDIT,OD i,ALLOC,ALLOC instruction that trapped. */
- /* That means that it is the end of a pseudo-atomic. So do the */
- /* add stripping off the pseudo-atomic-interrupted bit, and then */
- /* tell the machine-independent code to process the pseudo- */
- /* atomic. */
- int immed = (badinst>>1)&0x3ff;
- if (badinst & 1)
- immed |= -1<<10;
- *os_context_register_addr(context, reg_ALLOC) += (immed-1);
- arch_skip_instruction(context);
- interrupt_handle_pending(context);
- break;
- }
- /* else drop-through. */
+ badinst = *(unsigned long *)(*os_context_pc_addr(context) & ~3);
+ if ((badinst&0xfffff800) == (0xb000e000|reg_ALLOC<<21|reg_ALLOC<<16)) {
+ /* It is an ADDIT,OD i,ALLOC,ALLOC instruction that trapped. */
+ /* That means that it is the end of a pseudo-atomic. So do the */
+ /* add stripping off the pseudo-atomic-interrupted bit, and then */
+ /* tell the machine-independent code to process the pseudo- */
+ /* atomic. */
+ int immed = (badinst>>1)&0x3ff;
+ if (badinst & 1)
+ immed |= -1<<10;
+ *os_context_register_addr(context, reg_ALLOC) += (immed-1);
+ arch_skip_instruction(context);
+ interrupt_handle_pending(context);
+ break;
+ }
+ /* else drop-through. */
default:
not_interesting:
- interrupt_handle_now(signal, siginfo, context);
+ interrupt_handle_now(signal, siginfo, context);
}
}
badinst = *(unsigned long *)(*os_context_pc_addr(context) & ~3);
/* First, test for the pseudo-atomic instruction */
if ((badinst & 0xfffff800) == (0xb000e000 |
- reg_ALLOC<<21 |
- reg_ALLOC<<16)) {
- /* It is an ADDIT,OD i,ALLOC,ALLOC instruction that trapped.
- That means that it is the end of a pseudo-atomic. So do
- the add stripping off the pseudo-atomic-interrupted bit,
- and then tell the machine-independent code to process the
- pseudo-atomic. */
- int immed = (badinst>>1) & 0x3ff;
- if (badinst & 1)
- immed |= -1<<10;
- *os_context_register_addr(context, reg_ALLOC) += (immed-1);
- arch_skip_instruction(context);
- interrupt_handle_pending(context);
- return;
+ reg_ALLOC<<21 |
+ reg_ALLOC<<16)) {
+ /* It is an ADDIT,OD i,ALLOC,ALLOC instruction that trapped.
+ That means that it is the end of a pseudo-atomic. So do
+ the add stripping off the pseudo-atomic-interrupted bit,
+ and then tell the machine-independent code to process the
+ pseudo-atomic. */
+ int immed = (badinst>>1) & 0x3ff;
+ if (badinst & 1)
+ immed |= -1<<10;
+ *os_context_register_addr(context, reg_ALLOC) += (immed-1);
+ arch_skip_instruction(context);
+ interrupt_handle_pending(context);
+ return;
} else {
- opcode = badinst >> 26;
- if (opcode == 2) {
- /* reg/reg inst. */
- r1 = (badinst >> 16) & 0x1f;
- op1 = fixnum_value(*os_context_register_addr(context, r1));
- r2 = (badinst >> 21) & 0x1f;
- op2 = fixnum_value(*os_context_register_addr(context, r2));
- t = badinst & 0x1f;
-
- switch ((badinst >> 5) & 0x7f) {
- case 0x70:
- /* Add and trap on overflow. */
- res = op1 + op2;
- break;
-
- case 0x60:
- /* Subtract and trap on overflow. */
- res = op1 - op2;
- break;
-
- default:
- goto not_interesting;
- }
- } else if ((opcode & 0x37) == 0x25 && (badinst & (1<<11))) {
- /* Add or subtract immediate. */
- op1 = ((badinst >> 3) & 0xff) | ((-badinst&1)<<8);
- r2 = (badinst >> 16) & 0x1f;
- op2 = fixnum_value(*os_context_register_addr(context, r1));
- t = (badinst >> 21) & 0x1f;
- if (opcode == 0x2d)
- res = op1 + op2;
- else
- res = op1 - op2;
- }
- else
- goto not_interesting;
-
- /* ?? What happens here if we hit the end of dynamic space? */
+ opcode = badinst >> 26;
+ if (opcode == 2) {
+ /* reg/reg inst. */
+ r1 = (badinst >> 16) & 0x1f;
+ op1 = fixnum_value(*os_context_register_addr(context, r1));
+ r2 = (badinst >> 21) & 0x1f;
+ op2 = fixnum_value(*os_context_register_addr(context, r2));
+ t = badinst & 0x1f;
+
+ switch ((badinst >> 5) & 0x7f) {
+ case 0x70:
+ /* Add and trap on overflow. */
+ res = op1 + op2;
+ break;
+
+ case 0x60:
+ /* Subtract and trap on overflow. */
+ res = op1 - op2;
+ break;
+
+ default:
+ goto not_interesting;
+ }
+ } else if ((opcode & 0x37) == 0x25 && (badinst & (1<<11))) {
+ /* Add or subtract immediate. */
+ op1 = ((badinst >> 3) & 0xff) | ((-badinst&1)<<8);
+ r2 = (badinst >> 16) & 0x1f;
+ op2 = fixnum_value(*os_context_register_addr(context, r1));
+ t = (badinst >> 21) & 0x1f;
+ if (opcode == 0x2d)
+ res = op1 + op2;
+ else
+ res = op1 - op2;
+ }
+ else
+ goto not_interesting;
+
+ /* ?? What happens here if we hit the end of dynamic space? */
dynamic_space_free_pointer = (lispobj *) *os_context_register_addr(context, reg_ALLOC);
- *os_context_register_addr(context, t) = alloc_number(res);
- *os_context_register_addr(context, reg_ALLOC)
- = (unsigned long) dynamic_space_free_pointer;
- arch_skip_instruction(context);
-
- return;
-
+ *os_context_register_addr(context, t) = alloc_number(res);
+ *os_context_register_addr(context, reg_ALLOC)
+ = (unsigned long) dynamic_space_free_pointer;
+ arch_skip_instruction(context);
+
+ return;
+
not_interesting:
- interrupt_handle_now(signal, siginfo, context);
+ interrupt_handle_now(signal, siginfo, context);
}
}
projects / sbcl.git / blobdiff