pike.git/src/code/ppc64.c:c957e801ba1e5656a04228d60b652f13727ffdfe

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For copyright information see COPYRIGHT. || Pike is distributed under GPL, LGPL and MPL. See the file COPYING || for more information. */ /* * Machine code generator for 64 bit PowerPC * * Marcus Comstedt 20010726 */ #include "operators.h" #include "constants.h" #include "object.h" #include "builtin_functions.h" /* Get MakeDataExecutable from CarbonLib on Mac OS X */ #ifdef HAVE_CORESERVICES_CORESERVICES_H #include <CoreServices/CoreServices.h> #endif #if PIKE_BYTEORDER == 1234 #define MAKE_TYPE_WORD(t,st) ((t)|((st)<<16)) #else #define MAKE_TYPE_WORD(t,st) ((st)|((t)<<16)) #endif #if _CALL_ELF == 2 #define ADD_CALL(X) do { \ INT64 func_=(INT64)(void*)(X); \ \ SET_REG64(12, func_); \ /* mtlr r12 */ \ MTSPR(12, PPC_SPREG_LR); \ /* blrl */ \ BCLRL(20, 0); \ } while(0) #else #define ADD_CALL(X) do { \ INT64 func_=(INT64)(void*)(X); \ \ SET_REG64(11, (func_+32768)&~0xffff); \ if ((func_ &= 0xffff) > 32767) \ func_ -= 65536; \ /* ldu r0,%lo(func)(r11) */ \ LDU(0, 11, func_); \ /* ld r2,%8(r11) */ \ LD(2, 11, 8); \ /* mtlr r0 */ \ MTSPR(0, PPC_SPREG_LR); \ /* blrl */ \ BCLRL(20, 0); \ } while(0) #endif int ppc64_codegen_state = 0, ppc64_codegen_last_pc = 0; static int last_prog_id=-1; void ppc64_flush_code_generator_state() { if(ppc64_codegen_state & PPC_CODEGEN_SP_NEEDSSTORE) { /* stw pike_sp,stack_pointer(pike_interpreter) */ STD(PPC_REG_PIKE_SP, PPC_REG_PIKE_INTERP, OFFSETOF(Pike_interpreter_struct, stack_pointer)); } if(ppc64_codegen_state & PPC_CODEGEN_MARK_SP_NEEDSSTORE) { /* stw pike_mark_sp,mark_stack_pointer(pike_interpreter) */ STD(PPC_REG_PIKE_MARK_SP, PPC_REG_PIKE_INTERP, OFFSETOF(Pike_interpreter_struct, mark_stack_pointer)); } ppc64_codegen_state = 0; last_prog_id=-1; } INT32 ppc64_get_local_addr(int reg, INT32 arg) { INT32 offs = arg * sizeof(struct svalue); LOAD_FP_REG(); /* ld reg,locals(pike_fp) */ LD(reg, PPC_REG_PIKE_FP, OFFSETOF(pike_frame, locals)); if(offs > 32767) { /* addis reg,reg,%hi(offs) */ ADDIS(reg, reg, (offs+32768)>>16); if((offs &= 0xffff) > 32767) offs -= 65536; } return offs; } void ppc64_push_svalue(int reg, INT32 offs, int force_reftype) { int e; LOAD_SP_REG(); if(offs > (INT32)(32768-sizeof(struct svalue))) { /* addi r,r,offs */ ADDI(reg, reg, offs); offs = 0; } if(sizeof(struct svalue) > 16) { for(e=8;e<(int)sizeof(struct svalue);e+=8) { if( e == OFFSETOF(svalue,u.refs)) continue; /* ld r0,e+offs(r) */ LD(0, reg, e+offs); /* std r0,e(pike_sp) */ STD(0, PPC_REG_PIKE_SP, e); } } /* ld r0,offs(r) */ LD(0, reg, offs); /* ld r11,refs+offs(r) */ LD(11, reg, offs+OFFSETOF(svalue,u.refs)); /* std r0,0(pike_sp) */ STD(0, PPC_REG_PIKE_SP, 0); if(!force_reftype) { #if PIKE_BYTEORDER == 1234 /* rldicl r0,r0,61,51 */ RLDICL(0, 0, 61, 51); #else /* rldicl r0,r0,13,51 */ RLDICL(0, 0, 13, 51); #endif } /* std r11,refs(pike_sp) */ STD(11, PPC_REG_PIKE_SP, OFFSETOF(svalue,u.refs)); if(!force_reftype) { /* cmplwi r0,MIN_REF_TYPE>>3 */ CMPLI(0, 0, MIN_REF_TYPE>>3); } INCR_SP_REG(sizeof(struct svalue)); if(!force_reftype) { /* bne bork */ BC(4, 2, 4); } /* lwz r0,0(r11) */ LWZ(0, 11, 0); /* addic r0,r0,1 */ ADDIC(0, 0, 1); /* stw r0,0(r11) */ STW(0, 11, 0); /* bork: */ } void ppc64_push_constant(INT32 arg) { INT32 offs; struct svalue *sval = &Pike_compiler->new_program->constants[arg].sval; /* * Note: The constants table may contain UNDEFINED in case of being * called through decode_value() in PORTABLE_BYTECODE mode. */ if(!REFCOUNTED_TYPE(TYPEOF(*sval)) && !SUBTYPEOF(*sval)) { int e; INT64 last=0; LOAD_SP_REG(); for(e=0;e<(int)sizeof(struct svalue);e+=8) { if(e==0 || *(INT64 *)(((char *)sval)+e) != last) SET_REG64(0, last = *(INT64 *)(((char *)sval)+e)); /* std r0,e(pike_sp) */ STD(0, PPC_REG_PIKE_SP, e); } INCR_SP_REG(sizeof(struct svalue)); return; } LOAD_FP_REG(); /* ld r3,context(pike_fp) */ LD(PPC_REG_ARG1, PPC_REG_PIKE_FP, OFFSETOF(pike_frame, context)); /* ld r3,prog(r3) */ LD(PPC_REG_ARG1, PPC_REG_ARG1, OFFSETOF(inherit, prog)); /* ld r3,constants(r3) */ LD(PPC_REG_ARG1, PPC_REG_ARG1, OFFSETOF(program, constants)); offs = arg*sizeof(struct program_constant)+OFFSETOF(program_constant, sval); if(offs > 32767) { /* addis r3,r3,%hi(offs) */ ADDIS(PPC_REG_ARG1, PPC_REG_ARG1, (offs+32768)>>16); if((offs &= 0xffff) > 32767) offs -= 65536; } ppc64_push_svalue(PPC_REG_ARG1, offs, !!REFCOUNTED_TYPE(TYPEOF(*sval))); } void ppc64_push_local(INT32 arg) { INT32 offs; offs = ppc64_get_local_addr(PPC_REG_ARG1, arg); ppc64_push_svalue(PPC_REG_ARG1, offs, 0); } void ppc64_local_lvalue(INT32 arg) { INT32 offs; int e; offs = ppc64_get_local_addr(PPC_REG_ARG1, arg); LOAD_SP_REG(); SET_REG32(0, 0); STW(0, PPC_REG_PIKE_SP, 4); STW(0, PPC_REG_PIKE_SP, sizeof(struct svalue)+4); for(e=8;e<(int)(2*sizeof(struct svalue));e+=8) { if( e == OFFSETOF(svalue,u.lval) || e == sizeof(struct svalue) ) continue; /* std r0,e(pike_sp) */ STD(0, PPC_REG_PIKE_SP, e); } if(offs) { /* addi r3,r3,offs */ ADDI(PPC_REG_ARG1, PPC_REG_ARG1, offs); } /* li r0,T_SVALUE_PTR */ SET_REG32(0, MAKE_TYPE_WORD(T_SVALUE_PTR, 0)); /* stw r0,0(pike_sp) */ STW(0, PPC_REG_PIKE_SP, 0); /* li r0,T_VOID */ SET_REG32(0, MAKE_TYPE_WORD(T_VOID, 0)); /* stw r0,sizeof(struct svalue)(pike_sp) */ STW(0, PPC_REG_PIKE_SP, sizeof(struct svalue)); /* stw r3,u.lval(pike_sp) */ STD(PPC_REG_ARG1, PPC_REG_PIKE_SP, OFFSETOF(svalue,u.lval)); INCR_SP_REG(sizeof(struct svalue)*2); } void ppc64_push_global(INT32 arg) { LOAD_FP_REG(); /* ld r5,context(pike_fp) */ LD(PPC_REG_ARG3, PPC_REG_PIKE_FP, OFFSETOF(pike_frame, context)); /* ld r4,current_object(pike_fp) */ LD(PPC_REG_ARG2, PPC_REG_PIKE_FP, OFFSETOF(pike_frame, current_object)); /* lha r5,identifier_level(r5) */ LHA(PPC_REG_ARG3, PPC_REG_ARG3, OFFSETOF(inherit, identifier_level)); if(arg > 32767) { /* addis r5,r5,%hi(arg) */ ADDIS(PPC_REG_ARG3, PPC_REG_ARG3, (arg+32768)>>16); if((arg &= 0xffff) > 32767) arg -= 65536; } if(ppc64_codegen_state & PPC_CODEGEN_SP_ISSET) { /* mr r3,pike_sp */ ORI(PPC_REG_ARG1, PPC_REG_PIKE_SP, 0); } else { /* ld r3,stack_pointer(pike_interpreter) */ LD(PPC_REG_ARG1, PPC_REG_PIKE_INTERP, OFFSETOF(Pike_interpreter_struct, stack_pointer)); } if(arg) { /* addi r5,r5,arg */ ADDI(PPC_REG_ARG3, PPC_REG_ARG3, arg); } FLUSH_CODE_GENERATOR_STATE(); ADD_CALL(low_object_index_no_free); LOAD_SP_REG(); INCR_SP_REG(sizeof(struct svalue)); } void ppc64_push_int(INT64 x, int s) { LOAD_SP_REG(); SET_REG32(0, 0); if(sizeof(struct svalue) > 16) { int e; for(e=8;e<(int)sizeof(struct svalue);e+=8) { if( e == OFFSETOF(svalue,u.integer)) continue; /* std r0,e(pike_sp) */ STD(0, PPC_REG_PIKE_SP, e); } } STW(0, PPC_REG_PIKE_SP, 4); if(x != 0) SET_REG64(0, x); STD(0, PPC_REG_PIKE_SP, OFFSETOF(svalue,u.integer)); if(x != MAKE_TYPE_WORD(PIKE_T_INT, s)) SET_REG32(0, MAKE_TYPE_WORD(PIKE_T_INT, s)); STW(0, PPC_REG_PIKE_SP, 0); INCR_SP_REG(sizeof(struct svalue)); } void ppc64_push_string(INT32 arg, int st) { INT32 offs; LOAD_FP_REG(); LOAD_SP_REG(); /* ld r11,context(pike_fp) */ LD(11, PPC_REG_PIKE_FP, OFFSETOF(pike_frame, context)); /* ld r11,prog(r11) */ LD(11, 11, OFFSETOF(inherit, prog)); /* ld r11,strings(r11) */ LD(11, 11, OFFSETOF(program, strings)); offs = arg*sizeof(struct pike_string *); if(offs > 32767) { /* addis r11,r11,%hi(offs) */ ADDIS(11, 11, (offs+32768)>>16); if((offs &= 0xffff) > 32767) offs -= 65536; } /* ld r11,offs(r11) */ LD(11, 11, offs); SET_REG32(0, 0); if(sizeof(struct svalue) > 16) { int e; for(e=8;e<(int)sizeof(struct svalue);e+=8) { if( e == OFFSETOF(svalue,u.string)) continue; /* std r0,e(pike_sp) */ STD(0, PPC_REG_PIKE_SP, e); } } STW(0, PPC_REG_PIKE_SP, 4); STD(11, PPC_REG_PIKE_SP, OFFSETOF(svalue,u.string)); if(st) SET_REG32(0, MAKE_TYPE_WORD(PIKE_T_STRING, 1)); else SET_REG32(0, MAKE_TYPE_WORD(PIKE_T_STRING, 0)); STW(0, PPC_REG_PIKE_SP, 0); /* lwz r0,0(r11) */ LWZ(0, 11, 0); /* addic r0,r0,1 */ ADDIC(0, 0, 1); /* stw r0,0(r11) */ STW(0, 11, 0); INCR_SP_REG(sizeof(struct svalue)); } void ppc64_mark(void) { LOAD_SP_REG(); LOAD_MARK_SP_REG(); /* std pike_sp, 0(pike_mark_sp) */ STD(PPC_REG_PIKE_SP, PPC_REG_PIKE_MARK_SP, 0); INCR_MARK_SP_REG(sizeof(struct svalue *)); } static void ppc64_escape_catch(void) { LOAD_FP_REG(); /* ld r3,catch_ctx(pike_interpreter) */ LD(PPC_REG_ARG1, PPC_REG_PIKE_INTERP, OFFSETOF(Pike_interpreter_struct, catch_ctx)); /* ld r4,recovery.previous(r3) */ LD(PPC_REG_ARG2, PPC_REG_ARG1, OFFSETOF(catch_context, recovery.previous)); /* std r4,recoveries(pike_interpreter) */ STD(PPC_REG_ARG2, PPC_REG_PIKE_INTERP, OFFSETOF(Pike_interpreter_struct, recoveries)); /* ld r4,prev(r3) */ LD(PPC_REG_ARG2, PPC_REG_ARG1, OFFSETOF(catch_context, prev)); /* std r4,catch_ctx(pike_interpreter) */ STD(PPC_REG_ARG2, PPC_REG_PIKE_INTERP, OFFSETOF(Pike_interpreter_struct, catch_ctx)); FLUSH_CODE_GENERATOR_STATE(); ADD_CALL(really_free_catch_context); } static void maybe_update_pc(void) { static unsigned int last_num_linenumbers=~0; if(last_prog_id != Pike_compiler->new_program->id || last_num_linenumbers != Pike_compiler->new_program->num_linenumbers) { last_prog_id=Pike_compiler->new_program->id; last_num_linenumbers = Pike_compiler->new_program->num_linenumbers; UPDATE_PC(); } } #ifdef OPCODE_INLINE_RETURN void ppc64_ins_entry(void) { /* stdu r1, -128(r1) */ STDU(1, 1, -128); /* mflr r0 */ MFSPR(0, PPC_SPREG_LR); /* std r0, 144(r1) */ STD(0, 1, 144); /* std r2, 120(r1) */ STD(2, 1, 120); } #endif /* OPCODE_INLINE_RETURN */ void ins_f_byte(unsigned int b) { void *addr; INT32 rel_addr; b-=F_OFFSET; #ifdef PIKE_DEBUG if(b > MAX_SUPPORTED_INSTR) Pike_error("Instruction too big %d\n",b); #endif maybe_update_pc(); addr = instrs[b].address; #ifdef PIKE_DEBUG if (d_flag < 3) #endif /* This is not very pretty */ switch(b) { case F_MARK2 - F_OFFSET: ppc64_mark(); case F_MARK - F_OFFSET: ppc64_mark(); return; case F_CONST0 - F_OFFSET: ppc64_push_int(0, 0); return; case F_CONST1 - F_OFFSET: ppc64_push_int(1, 0); return; case F_CONST_1 - F_OFFSET: ppc64_push_int(-1, 0); return; case F_MAKE_ITERATOR - F_OFFSET: { SET_REG32(PPC_REG_ARG1, 1); addr = (void *)f_get_iterator; } break; case F_ADD - F_OFFSET: SET_REG32(PPC_REG_ARG1, 2); addr = (void *)f_add; break; case F_EXIT_CATCH - F_OFFSET: ppc64_push_int(0, 1); case F_ESCAPE_CATCH - F_OFFSET: ppc64_escape_catch(); return; #ifdef OPCODE_INLINE_RETURN case F_CATCH - F_OFFSET: /* Special argument for the F_CATCH instruction. */ addr = inter_return_opcode_F_CATCH; /* bl .+4 */ BL(4); /* mflr r3 */ MFSPR(PPC_REG_ARG1, PPC_SPREG_LR); rel_addr = PIKE_PC; /* addi r3, r3, offs */ ADDI(PPC_REG_ARG1, PPC_REG_ARG1, 4); break; case F_CATCH_AT - F_OFFSET: /* Special argument for the F_CATCH_AT instruction. */ addr = inter_return_opcode_F_CATCH_AT; /* bl .+4 */ BL(4); /* mflr r3 */ MFSPR(PPC_REG_ARG1, PPC_SPREG_LR); rel_addr = PIKE_PC; /* addi r3, r3, offs */ ADDI(PPC_REG_ARG1, PPC_REG_ARG1, 4); break; #endif } FLUSH_CODE_GENERATOR_STATE(); ADD_CALL(addr); #ifdef OPCODE_INLINE_RETURN if (instrs[b].flags & I_RETURN) { /* cmpdi r3,-1 */ CMPI(1, PPC_REG_RET, -1); /* bne .+24 */ BC(4, 2, 6); /* ld r0, 144(r1) */ LD(0, 1, 144); /* ld r2, 120(r1) */ LD(2, 1, 120); /* addi r1, r1, 128 */ ADDI(1, 1, 128); /* mtlr r0 */ MTSPR(0, PPC_SPREG_LR); /* blr */ BCLR(20, 0); if ((b + F_OFFSET) == F_RETURN_IF_TRUE) { /* Kludge. We must check if the ret addr is * orig_addr + JUMP_EPILOGUE_SIZE. */ /* mflr r0 */ MFSPR(0, PPC_SPREG_LR); /* subf r0, r0, r3 */ SUBF(0, 0, PPC_REG_RET); /* cmpldi r0, JUMP_EPILOGUE_SIZE */ CMPLI(1, 0, JUMP_EPILOGUE_SIZE*4); /* beq .+12 */ BC(12, 2, 3); } } #endif #ifdef OPCODE_RETURN_JUMPADDR if (instrs[b].flags & I_JUMP) { /* This is the code that JUMP_EPILOGUE_SIZE compensates for. */ /* mtlr r3 */ MTSPR(PPC_REG_RET, PPC_SPREG_LR); /* blr */ BCLR(20, 0); #ifdef OPCODE_INLINE_RETURN if ((b == F_CATCH - F_OFFSET) || (b == F_CATCH_AT - F_OFFSET)) { Pike_compiler->new_program->program[rel_addr] += (PIKE_PC - rel_addr)*4; } #endif } #endif } void ins_f_byte_with_arg(unsigned int a, INT32 b) { maybe_update_pc(); #ifdef PIKE_DEBUG if (d_flag < 3) #endif switch(a) { case F_MARK_AND_LOCAL: ppc64_mark(); case F_LOCAL: ppc64_push_local(b); return; case F_LOCAL_LVALUE: ppc64_local_lvalue(b); return; case F_MARK_AND_GLOBAL: ppc64_mark(); case F_GLOBAL: ppc64_push_global(b); return; case F_MARK_AND_STRING: ppc64_mark(); case F_STRING: ppc64_push_string(b, 0); return; case F_ARROW_STRING: ppc64_push_string(b, 1); return; case F_NUMBER: ppc64_push_int(b, 0); return; case F_NEG_NUMBER: ppc64_push_int(-(INT64)b, 0); return; case F_CONSTANT: ppc64_push_constant(b); return; /* * And this would work nicely for all non-dynamically loaded * functions. Unfortunately there is no way to know if it is * dynamically loaded or not at this point... */ case F_MARK_CALL_BUILTIN: case F_CALL_BUILTIN1: if(Pike_compiler->new_program->constants[b].sval.u.efun->internal_flags & CALLABLE_DYNAMIC) break; if(a == F_CALL_BUILTIN1) SET_REG32(PPC_REG_ARG1, 1); else SET_REG32(PPC_REG_ARG1, 0); FLUSH_CODE_GENERATOR_STATE(); ADD_CALL(Pike_compiler->new_program->constants[b].sval.u.efun->function); return; } SET_REG32(PPC_REG_ARG1, b); ins_f_byte(a); return; } void ins_f_byte_with_2_args(unsigned int a, INT32 b, INT32 c) { maybe_update_pc(); #ifdef PIKE_DEBUG if (d_flag < 3) #endif switch(a) { case F_2_LOCALS: ppc64_push_local(b); ppc64_push_local(c); return; } SET_REG32(PPC_REG_ARG1, b); SET_REG32(PPC_REG_ARG2, c); ins_f_byte(a); return; } INT32 ppc64_ins_f_jump(unsigned int a, int backward_jump) { INT32 ret, pos_=0; int (*test_func)(void); if(a == F_BRANCH) test_func = NULL; else if(a == F_CATCH || a == F_CATCH_AT || a == F_RECUR || a == F_RECUR_AND_POP || a == F_TAIL_RECUR) return -1; else if(a<F_OFFSET || !(instrs[a-F_OFFSET].flags & I_BRANCH) || !(test_func = instrs[a-F_OFFSET].address)) Pike_fatal("ppc64_ins_f_jump: invalid branch op %d\n", a); maybe_update_pc(); FLUSH_CODE_GENERATOR_STATE(); if(test_func) { ADD_CALL(test_func); /* cmpldi r3,0 */ CMPLI(1, PPC_REG_RET, 0); /* beq .+8 */ BC(12, 2, 2); pos_ = PIKE_PC; } if(backward_jump) { ADD_CALL(branch_check_threads_etc); if(pos_) Pike_compiler->new_program->program[pos_-1] += 4*(PIKE_PC-pos_); } ret=(INT32) PIKE_PC; /* b . */ B(0); return ret; } INT32 ppc64_ins_f_jump_with_arg(unsigned int a, unsigned INT32 b, int backward_jump) { if(a == F_COND_RECUR) return -1; SET_REG32(PPC_REG_ARG1, b); return ppc64_ins_f_jump(a, backward_jump); } INT32 ppc64_ins_f_jump_with_2_args(unsigned int a, unsigned INT32 b, unsigned INT32 c, int backward_jump) { SET_REG32(PPC_REG_ARG1, b); SET_REG32(PPC_REG_ARG2, c); return ppc64_ins_f_jump(a, backward_jump); } void ppc64_update_f_jump(INT32 offset, INT32 to_offset) { PIKE_OPCODE_T *op = &Pike_compiler->new_program->program[offset]; *op = (*op & 0xfc000003) | (((to_offset - offset)<<2)&0x03fffffc); } INT32 ppc64_read_f_jump(INT32 offset) { INT32 delta = ((read_pointer(offset)&0x03fffffc)>>2); if(delta >= 0x800000) delta -= 0x1000000; return offset + delta; } void ppc64_flush_instruction_cache(void *addr, size_t len) { INT64 a; #ifdef HAVE_MAKEDATAEXECUTABLE /* Call optimized cache flushing in Mac OS X */ MakeDataExecutable(addr, len); return; #endif #ifdef _POWER #ifdef _AIX __asm__(".machine \"pwr\""); #endif /* Method as described in * * http://publibn.boulder.ibm.com/doc_link/en_US/a_doc_lib/aixassem/alangref/clf.htm */ len >>= 2; for(a = (INT64)addr; len>0; --len) { __asm__("clf 0,%0" : : "r" (a)); a += 4; } __asm__("dcs"); __asm__("ics"); #else /* !_POWER */ #ifdef _AIX __asm__(".machine \"ppc\""); #endif len >>= 2; for(a = (INT64)addr; len>0; --len) { __asm__("icbi 0,%0" : : "r" (a)); __asm__("dcbst 0,%0" : : "r" (a)); a += 4; } __asm__("sync"); __asm__("isync"); #endif /* _POWER */ } #if 0 #define addstr(s, l) buffer_memcpy(buf, (s), (l)) #define adddata2(s,l) addstr((char *)(s),(l) * sizeof((s)[0])); void ppc64_encode_program(struct program *p, struct byte_buffer *buf) { size_t prev = 0, rel; /* De-relocate the program... */ for (rel = 0; rel < p->num_relocations; rel++) { size_t off = p->relocations[rel]; INT32 opcode; #ifdef PIKE_DEBUG if (off < prev) { Pike_fatal("Relocations in bad order!\n"); } #endif /* PIKE_DEBUG */ adddata2(p->program + prev, off - prev); #ifdef PIKE_DEBUG if ((p->program[off] & 0xfc000002) != 0x48000000) Pike_fatal("Bad relocation: %d, off:%d, opcode: 0x%08x\n", rel, off, p->program[off]); #endif /* PIKE_DEBUG */ /* Relocate to 0 */ opcode = p->program[off] & 0x03ffffff; opcode += (INT32)(void *)(p->program+off); adddata2(&opcode, 1); prev = off+4; } adddata2(p->program + prev, p->num_program - prev); } void ppc64_decode_program(struct program *p) { /* Relocate the program... */ PIKE_OPCODE_T *prog = p->program; size_t rel = p->num_relocations; while (rel--) { PIKE_OPCODE_T *o = prog+p->relocations[rel]; INT32 disp = *o - (INT32)(void*)o; if(disp < -33554432 || disp > 33554431) Pike_fatal("Relocation %d out of range!\n", disp); *o = 0x48000000 | (disp & 0x03ffffff); } } #endif void ppc64_disassemble_code(void *addr, size_t bytes) { /* Short forms of multicharacter opcode forms: F = XFX G = XFL L = XL O = XO Z = XS S = SC N = MD W = MDS E = DS */ static const char *opname[] = { NULL, NULL, "Dtdi", "Dtwi", NULL, NULL, NULL, "Dmulli", "Dsubfic", NULL, "Dcmpli", "Dcmpi", "Daddic", "Daddic.", "Daddi", "Daddis", NULL, "Ssc", NULL, NULL, "Mrlwimi", "Mrlwinm", NULL, "Mrlwnm", "Dori", "Doris", "Dxori", "Dxoris", "Dandi.", "Dandis.", NULL, NULL, "Dlwz", "Dlwzu", "Dlbz", "Dlbzu", "Dstw", "Dstwu", "Dstb", "Dstbu", "Dlhz", "Dlhzu", "Dlha", "Dlhau", "Dsth", "Dsthu", "Dlmw", "Dstmw", "Dlfs", "Dlfsu", "Dlfd", "Dlfdu", "Dstfs", "Dstfsu", "Dstfd", "Dstfdu", }; static const char *opname_bcx[] = { "Bbc", "Bbcl", "Bbca", "Bbcla", }; static const char *opname_bx[] = { "Ib", "Ibl", "Iba", "Ibla", }; static const char *opname_19[] = { "Lcreqv", "Lcror", NULL, NULL, NULL, "Lmcrf", "Lrfid", "Lbcctr", "Lbclr", NULL, "Lcrnor", "Lcrxor", "Lrfi", "Lcrand", "Lcrorc", NULL, "Lisync", "Lcrnand", "Lcrandc", }; static short opxo_19[] = { 289, 449, 0, 0, 0, 0, 18, 528, 16, 0, 33, 193, 50, 257, 417, 0, 150, 225, 129, }; static const char *opname_31_010[] = { "Osubfc", "Omulhdu", "Oaddc", "Omulhwu", "Oneg", NULL, "Oadd", NULL, NULL, "Omulhd", NULL, "Omulhw", "Osubfe", NULL, "Oadde", NULL, "Osubfme", "Omulld", "Oaddme", "Omullw", "Osubfze", "Odivd", "Oaddze", "Odivw", "Osubf", "Odivdu", NULL, "Odivwu", }; static short opxo_31_010[] = { 8, 9, 10, 11, 104, 0, 266, 0, 0, 73, 0, 75, 136, 0, 138, 0, 232, 233, 234, 235, 200, 489, 202, 491, 40, 457, 0, 459, }; static const char *opname_31_100[] = { "Xmtmsrd", NULL, "Xslbmte", NULL, "Xtlbiel", NULL, "Xmtmsr", NULL, "Fmtcrf", "Xmfcr", "Xslbia", "Xslbmfev", "Xtlbia", "Fmftb", "Xmtsrin", "Xmfsr", NULL, "Fmtspr", NULL, "Fmfspr", "Xmtsr", "Xslbmfee", "Xslbie", "Xmfmsr", "Xtlbie", "Xmfsrin", }; static short opxo_31_100[] = { 178, 0, 402, 0, 274, 0, 146, 0, 144, 19, 498, 851, 370, 371, 242, 595, 0, 467, 0, 339, 210, 915, 434, 83, 306, 659, }; static const char *opname_31_101[] = { "Xdcba", NULL, "Xlfsx", "Xlwbrx", "Xlswx", "Xsthux", "Xecowx", NULL, NULL, "Xdcbi", NULL, "Xlhaux", NULL, "Xlwaux", "Xstwx", "Xstwcx.", "Xstdx", "Xlwzux", "Xdcbst", "Xldux", "Xlbzx", "Xdcbf", NULL, "Xldarx", NULL, "Xstfiwx", "Xicbi", NULL, NULL, NULL, NULL, "Xstfsx", "Xstwbrx", "Xstswx", "Xlfsux", "Xtlbsync", NULL, "Xlfdx", "Xsync", "Xlswi", NULL, NULL, NULL, "Xlhzx", "Xdcbt", NULL, "Xstwux", NULL, "Xstdux", "Xstbx", "Xstdcx.", NULL, "Xlbzux", NULL, NULL, NULL, NULL, NULL, "Xdcbz", NULL, NULL, "Xlhbrx", NULL, "Xstfsux", NULL, NULL, "Xstfdx", NULL, "Xstswi", "Xlfdux", NULL, NULL, "Xsthx", NULL, NULL, "Xlhzux", "Xeciwx", NULL, "Xlhax", NULL, "Xlwax", "Xstbux", "Xdcbtst", NULL, "Xlwzx", NULL, "Xldx", "Xlwarx", NULL, NULL, "Xsthbrx", NULL, NULL, NULL, NULL, NULL, "Xeieio", NULL, "Xstfdux", }; static short opxo_31_101[] = { 758, 0, 535, 534, 533, 439, 438, 0, 0, 470, 0, 375, 0, 373, 151, 150, 149, 55, 54, 53, 87, 86, 0, 84, 0, 983, 982, 0, 0, 0, 0, 663, 662, 661, 567, 566, 0, 599, 598, 597, 0, 0, 0, 279, 278, 0, 183, 0, 181, 215, 214, 0, 119, 0, 0, 0, 0, 0, 1014, 0, 0, 790, 0, 695, 0, 0, 727, 0, 725, 631, 0, 0, 407, 0, 0, 311, 310, 0, 343, 0, 341, 247, 246, 0, 23, 0, 21, 20, 0, 0, 918, 0, 0, 0, 0, 0, 854, 0, 759, }; static const char *opname_31_110[] = { NULL, NULL, "Xextsh", NULL, "Xextsb", NULL, "Xsld", "Xcntlzw", "Xsrd", "Xslw", "Xsrad", "Xsrw", "Xsraw", "Xextsw", "Xsrawi", }; static short opxo_31_110[] = { 0, 0, 922, 0, 954, 0, 27, 26, 539, 24, 794, 536, 792, 986, 824, }; static const char *opname_31_111[] = { "Xand", "Xandc", NULL, "Xnor", NULL, NULL, NULL, NULL, "Xeqv", "Xxor", NULL, NULL, "Xorc", "Xor", "Xnand", NULL, }; static const char *opname_59[] = { NULL, NULL, "Afdivs", NULL, "Afsubs", "Afadds", "Afsqrts", NULL, "Afres", "Afmuls", NULL, NULL, "Afmsubs", "Afmadds", "Afnmsubs", "Afnmadds" }; static const char *opname_63_0[] = { NULL, "Xfnabs", "Xfabs", NULL, NULL, "Xfcmpu", NULL, NULL, "Xfcmpo", NULL, "Xmtfsb1", "Xmcrfs", NULL, "Xmtfsb0", "Xfctiwz", "Xfctiw", "Xfneg", "Xfrsp", NULL, "Xfmr", NULL, NULL, "Gmtfsf", NULL, NULL, NULL, NULL, NULL, "Xfctidz", "Xfctid", "Xmtfsfi", NULL, "Xfcfid", NULL, "Xmffs", }; static short opxo_63_0[] = { 0, 136, 264, 0, 0, 0, 0, 0, 32, 0, 38, 64, 0, 70, 15, 14, 40, 12, 0, 72, 0, 0, 711, 0, 0, 0, 0, 0, 815, 814, 134, 0, 846, 0, 583, }; static const char *opname_63_1[] = { NULL, NULL, "Afdiv", NULL, "Afsub", "Afadd", "Afsqrt", "Afsel", NULL, "Afmul", "Afrsqrte", NULL, "Afmsub", "Afmadd", "Afnmsub", "Afnmadd" }; unsigned INT32 *code = addr; size_t len = (bytes+3)>>2; while(len--) { int opcd, xo=0, form; const char *instr_name; unsigned INT32 instr = *code; fprintf(stderr, "%p %08x ", code++, instr); switch(opcd = ((instr>>26)&63)) { case 16: /* bcx, B-Form */ instr_name = opname_bcx[instr&3]; break; case 18: /* bx, I-Form */ instr_name = opname_bx[instr&3]; break; case 19: { int h; xo = (instr>>1)&1023; h = (xo^119)%19; instr_name = (xo == opxo_19[h]? opname_19[h]:NULL); } break; case 30: /* 64 bit rotate, MD or MDS form */ xo = (instr>>2)&7; switch(xo) { case 0: instr_name = "Nrldicl"; break; case 1: instr_name = "Nrldicr"; break; case 2: instr_name = "Nrldic"; break; case 3: instr_name = "Nrldimi"; break; case 4: instr_name = ((instr&2)? "Wrldcr":"Wrldcl"); break; default: instr_name = NULL; break; } break; case 31: xo = (instr>>1)&1023; switch((xo>>2)&7) { int h; case 0: switch(xo) { case 0: instr_name = "Xcmp"; break; case 32: instr_name = "Xcmpl"; break; case 512: instr_name = "Xmcrxr"; break; default: instr_name = NULL; break; } break; case 1: switch(xo) { case 4: instr_name = "Xtw"; break; case 58: instr_name = "Xcntlzd"; break; case 68: instr_name = "Xtd"; break; case 711: instr_name = "Zsradi"; break; default: instr_name = NULL; break; } break; case 2: h = ((xo&0x1ff)^160)%28; instr_name = ((xo&0x1ff) == opxo_31_010[h]? opname_31_010[h]:NULL); break; case 4: h = (xo^98)%26; instr_name = (xo == opxo_31_100[h]? opname_31_100[h]:NULL); if(instr & (1<<20)) { if(xo == 144) instr_name = "Fmtocrf"; else if(xo == 19) instr_name = "Fmfocrf"; } break; case 5: h = (xo^67)%99; instr_name = (xo == opxo_31_101[h]? opname_31_101[h]:NULL); break; case 6: h = (xo^195)%15; instr_name = (xo == opxo_31_110[h]? opname_31_110[h]:NULL); break; case 7: instr_name = ((xo & 0x21f)==0x1c? opname_31_111[(xo>>5)&15]:NULL); break; default: instr_name = NULL; break; } break; case 58: /* 64-bit load, DS-Form */ xo = instr&3; switch(xo) { case 0: instr_name = "Eld"; break; case 1: instr_name = "Eldu"; break; case 2: instr_name = "Elwa"; break; default: instr_name = NULL; break; } break; case 59: /* single precision math, A-Form */ xo = (instr>>1)&0x1f; instr_name = ((xo&0x10)? opname_59[xo&15] : NULL); break; case 62: /* 64-bit store, DS-Form */ xo = instr&3; switch(xo) { case 0: instr_name = "Estd"; break; case 1: instr_name = "Estdu"; break; default: instr_name = NULL; break; } break; case 63: /* double precision math */ if(instr&0x20) { xo = (instr>>1)&0x1f; instr_name = opname_63_1[xo&15]; } else { int h; xo = (instr>>1)&0x3ff; h = (xo^355)%35; instr_name = (xo == opxo_63_0[h]? opname_63_0[h]:NULL); } break; default: instr_name = (opcd < 56? opname[opcd] : NULL); break; } form = (instr_name? *instr_name++ : '?'); switch(form) { case 'I': fprintf(stderr, "%s 0x%lx\n", instr_name, (instr&0x03fffffc)+((instr&2)? 0:(INT64)(code-1))); break; case 'B': /* Maybe pretty-print BO/BI here? */ fprintf(stderr, "%s %d,%d,0x%lx\n", instr_name, (instr>>21)&31, (instr>>16)&31, (instr&0x0000fffc)+((instr&2)? 0:(INT64)(code-1))); break; case 'S': /* really 'SC' */ fprintf(stderr, "%s\n", instr_name); break; case 'D': case 'E': /* really 'DS' */ { INT32 imm = instr & 0xffff; char immtext[8]; if(form == 'E') imm &= ~3; if((imm & 0x8000) && opcd != 10 && (opcd < 24 || opcd > 29)) imm -= 0x10000; if(imm<0) sprintf(immtext, "-0x%x", -imm); else sprintf(immtext, "0x%x", imm); if(opcd == 2 || opcd == 3) fprintf(stderr, "%s %d,r%d,%s\n", instr_name, (instr>>21)&31, (instr>>16)&31, immtext); else if(opcd == 10 || opcd == 11) fprintf(stderr, "%s cr%d,%d,r%d,%s\n", instr_name, (instr>>23)&7, (instr>>21)&1, (instr>>16)&31, immtext); else if(opcd >= 48 && opcd < 56) fprintf(stderr, "%s fr%d,%s(r%d)\n", instr_name, (instr>>21)&31, immtext, (instr>>16)&31); else if(opcd >= 32) fprintf(stderr, "%s r%d,%s(r%d)\n", instr_name, (instr>>21)&31, immtext, (instr>>16)&31); else if(opcd >= 24 && opcd <= 29) fprintf(stderr, "%s r%d,r%d,%s\n", instr_name, (instr>>16)&31, (instr>>21)&31, immtext); else fprintf(stderr, "%s r%d,r%d,%s\n", instr_name, (instr>>21)&31, (instr>>16)&31, immtext); } break; case 'X': if(opcd == 63) { if(xo & 8) fprintf(stderr, "%s%s fr%d,fr%d\n", instr_name, ((instr&1)? ".":""), (instr>>21)&31, (instr>>11)&31); else if(xo & 512) fprintf(stderr, "%s%s fr%d\n", instr_name, ((instr&1)? ".":""), (instr>>21)&31); else if(xo & 128) fprintf(stderr, "%s%s crf%d,%d\n", instr_name, ((instr&1)? ".":""), (instr>>23)&7, (instr>>12)&15); else if(xo & 2) fprintf(stderr, "%s%s crb%d\n", instr_name, ((instr&1)? ".":""), (instr>>21)&31); else if(xo & 64) fprintf(stderr, "%s crf%d,crf%d\n", instr_name, (instr>>23)&7, (instr>>18)&7); else fprintf(stderr, "%s crf%d,fr%d,fr%d\n", instr_name, (instr>>23)&7, (instr>>16)&31, (instr>>11)&31); } else if((xo & 543)==535) { fprintf(stderr, "%s fr%d,r%d,r%d\n", instr_name, (instr>>21)&31, (instr>>16)&31, (instr>>11)&31); } else { if (xo == 824) fprintf(stderr, "%s%s r%d,r%d,%d\n", instr_name, ((instr&1)? ".":""), (instr>>16)&31, (instr>>21)&31, (instr>>11)&31); else if(!(xo & 991)) fprintf(stderr, "%s crf%d,%d,r%d,r%d\n", instr_name, (instr>>23)&7, (instr>>21)&1, (instr>>16)&31, (instr>>11)&31); else if((xo & 27)==24 || ((xo>>8)|(xo&255))==27) fprintf(stderr, "%s%s r%d,r%d,r%d\n", instr_name, ((instr&1)? ".":""), (instr>>16)&31, (instr>>21)&31, (instr>>11)&31); else if(!(xo & 24)) { if(xo&4) fprintf(stderr, "%s %d,r%d,r%d\n", instr_name, (instr>>21)&31, (instr>>16)&31, (instr>>11)&31); else fprintf(stderr, "%s crf%d\n", instr_name, (instr>>23)&7); } else if(xo & 8) fprintf(stderr, "%s%s r%d,r%d\n", instr_name, ((instr&1)? ".":""), (instr>>16)&31, (instr>>21)&31); else if(!(xo & 772)) { if((xo & 96)==96) fprintf(stderr, "%s r%d,r%d\n", instr_name, (instr>>21)&31, (instr>>11)&31); else if((xo & 192)==192) fprintf(stderr, "%s %d,r%d\n", instr_name, (instr>>16)&15, (instr>>21)&31); else if(xo & 128) fprintf(stderr, "%s r%d,%d\n", instr_name, (instr>>21)&31, (instr>>16)&1); else fprintf(stderr, "%s r%d\n", instr_name, (instr>>21)&31); } else if((xo & 639)==597) fprintf(stderr, "%s r%d,r%d,%d\n", instr_name, (instr>>21)&31, (instr>>16)&31, (instr>>11)&31); else if(xo == 370 || xo == 498 || xo == 566 || xo == 598 || xo == 854) fprintf(stderr, "%s\n", instr_name); else if(!(xo & 4)) { if((xo & 479)==274) fprintf(stderr, "%s r%d,%d\n", instr_name, (instr>>11)&31, (instr>>21)&1); else if(xo & 32) fprintf(stderr, "%s r%d\n", instr_name, (instr>>11)&31); else if(xo == 595) fprintf(stderr, "%s r%d,%d\n", instr_name, (instr>>21)&31, (instr>>16)&15); else fprintf(stderr, "%s r%d,r%d\n", instr_name, (instr>>21)&31, (instr>>11)&31); } else if(instr_name[0]=='d' || instr_name[0]=='i') { if(xo == 278) fprintf(stderr, "%s r%d,r%d,%d\n", instr_name, (instr>>16)&31, (instr>>11)&31, (instr>>21)&3); else fprintf(stderr, "%s r%d,r%d\n", instr_name, (instr>>16)&31, (instr>>11)&31); } else fprintf(stderr, "%s r%d,r%d,r%d\n", instr_name, (instr>>21)&31, (instr>>16)&31, (instr>>11)&31); } break; case 'L': /* really 'XL' */ if(!xo) fprintf(stderr, "%s cr%d,cr%d\n", instr_name, (instr>>23)&7, (instr>>18)&7); else if((xo & 511) == 16) /* Maybe pretty-print BO/BI/BH here? */ fprintf(stderr, "%s%s %d,%d,%d\n", instr_name, ((instr&1)? "l":""), (instr>>21)&31, (instr>>16)&31, (instr>>11)&3); else if(xo&1) fprintf(stderr, "%s crb%d,crb%d,crb%d\n", instr_name, (instr>>21)&31, (instr>>16)&31, (instr>>11)&31); else fprintf(stderr, "%s\n", instr_name); break; case 'F': /* really 'XFX' */ { int arg = (!(xo & 256)? (instr>>12)&255 : ((instr>>6)&0x3e0)|((instr>>16)&31)); if(xo&128) fprintf(stderr, "%s %d,r%d\n", instr_name, arg, (instr>>21)&31); else fprintf(stderr, "%s r%d,%d\n", instr_name, (instr>>21)&31, arg); } break; case 'G': /* really 'XFL' */ fprintf(stderr, "%s%s 0x%x,fr%d\n", instr_name, ((instr&1)? ".":""), (instr>>17)&255, (instr>>11)&31); break; case 'O': /* really 'XO' */ if((xo&0x41)==0x40) fprintf(stderr, "%s%s%s r%d,r%d\n", instr_name, ((instr&(1<<10))? "o":""), ((instr&1)? ".":""), (instr>>21)&31, (instr>>16)&31); else fprintf(stderr, "%s%s%s r%d,r%d,r%d\n", instr_name, ((instr&(1<<10))? "o":""), ((instr&1)? ".":""), (instr>>21)&31, (instr>>16)&31, (instr>>11)&31); break; case 'Z': /* really 'XS' */ fprintf(stderr, "%s%s r%d,r%d,%d\n", instr_name, ((instr&1)? ".":""), (instr>>16)&31, (instr>>21)&31, ((instr>>11)&31)|((instr&2)<<4)); break; case 'A': if(xo<22) fprintf(stderr, "%s%s fr%d,fr%d,fr%d\n", instr_name, ((instr&1)? ".":""), (instr>>21)&31, (instr>>16)&31, (instr>>11)&31); else if(xo >= 28 || xo == 23) fprintf(stderr, "%s%s fr%d,fr%d,fr%d,fr%d\n", instr_name, ((instr&1)? ".":""), (instr>>21)&31, (instr>>16)&31, (instr>>6)&31, (instr>>11)&31); else if(xo & 1) fprintf(stderr, "%s%s fr%d,fr%d,fr%d\n", instr_name, ((instr&1)? ".":""), (instr>>21)&31, (instr>>16)&31, (instr>>6)&31); else fprintf(stderr, "%s%s fr%d,fr%d\n", instr_name, ((instr&1)? ".":""), (instr>>21)&31, (instr>>11)&31); break; case 'M': fprintf(stderr, (opcd==23? "%s%s r%d,r%d,r%d,%d,%d\n" : "%s%s r%d,r%d,%d,%d,%d\n"), instr_name, ((instr&1)? ".":""), (instr>>16)&31, (instr>>21)&31, (instr>>11)&31, (instr>>6)&31, (instr>>1)&31); break; case 'N': /* really 'MD' */ fprintf(stderr, "%s%s r%d,r%d,%d,%d\n", instr_name, ((instr&1)? ".":""), (instr>>16)&31, (instr>>21)&31, ((instr>>11)&31)|((instr&2)<<4), ((instr>>6)&31)|(instr&32)); break; case 'W': /* really 'MDS' */ fprintf(stderr, "%s%s r%d,r%d,r%d,%d\n", instr_name, ((instr&1)? ".":""), (instr>>16)&31, (instr>>21)&31, (instr>>11)&31, ((instr>>6)&31)|(instr&32)); break; default: fprintf(stderr, ".long 0x%x\n", instr); break; } } }

pike.git/ src/ code/ ppc64.c > c957e801ba1e5656a04228d60b652f13727ffdfe [Annotate]