X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=exec.c;h=16e5ded6dbdaf8654643d2096e528e16e80d93a5;hp=e30e2fa6905727c4d5a7e2f724f072073ff6c80b;hb=a68f0fcb355db42acabe72da5939fbd1b04f6016;hpb=84149c371d220bcba3671a57e50b923b1f51c035 diff --git a/exec.c b/exec.c index e30e2fa..16e5ded 100644 --- a/exec.c +++ b/exec.c @@ -1,31 +1,35 @@ +/* + * Copyright (C) 2012, 2013 + * Wolfgang Bumiller + * Dale Weiler + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is furnished to do + * so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef QCVM_LOOP #include #include #include #include +#include #include "gmqcc.h" -MEM_VEC_FUNCTIONS(qc_program, prog_section_statement, code) -MEM_VEC_FUNCTIONS(qc_program, prog_section_def, defs) -MEM_VEC_FUNCTIONS(qc_program, prog_section_def, fields) -MEM_VEC_FUNCTIONS(qc_program, prog_section_function, functions) -MEM_VEC_FUNCTIONS(qc_program, char, strings) -MEM_VEC_FUN_APPEND(qc_program, char, strings) -MEM_VEC_FUN_RESIZE(qc_program, char, strings) -MEM_VEC_FUNCTIONS(qc_program, qcint, globals) -MEM_VEC_FUNCTIONS(qc_program, qcint, entitydata) -MEM_VEC_FUNCTIONS(qc_program, bool, entitypool) - -MEM_VEC_FUNCTIONS(qc_program, qcint, localstack) -MEM_VEC_FUN_APPEND(qc_program, qcint, localstack) -MEM_VEC_FUN_RESIZE(qc_program, qcint, localstack) -MEM_VEC_FUNCTIONS(qc_program, qc_exec_stack, stack) - -MEM_VEC_FUNCTIONS(qc_program, size_t, profile) -MEM_VEC_FUN_RESIZE(qc_program, size_t, profile) - -MEM_VEC_FUNCTIONS(qc_program, prog_builtin, builtins) - static void loaderror(const char *fmt, ...) { int err = errno; @@ -33,10 +37,10 @@ static void loaderror(const char *fmt, ...) va_start(ap, fmt); vprintf(fmt, ap); va_end(ap); - printf(": %s\n", strerror(err)); + printf(": %s\n", util_strerror(err)); } -static void qcvmerror(qc_program *prog, const char *fmt, ...) +static void qcvmerror(qc_program_t *prog, const char *fmt, ...) { va_list ap; @@ -48,33 +52,31 @@ static void qcvmerror(qc_program *prog, const char *fmt, ...) putchar('\n'); } -qc_program* prog_load(const char *filename) +qc_program_t* prog_load(const char *filename, bool skipversion) { - qc_program *prog; - prog_header header; - size_t i; - FILE *file; + qc_program_t *prog; + prog_header_t header; + FILE *file = fs_file_open(filename, "rb"); - file = util_fopen(filename, "rb"); if (!file) return NULL; - if (fread(&header, sizeof(header), 1, file) != 1) { + if (fs_file_read(&header, sizeof(header), 1, file) != 1) { loaderror("failed to read header from '%s'", filename); - fclose(file); + fs_file_close(file); return NULL; } - if (header.version != 6) { + if (!skipversion && header.version != 6) { loaderror("header says this is a version %i progs, we need version 6\n", header.version); - fclose(file); + fs_file_close(file); return NULL; } - prog = (qc_program*)mem_a(sizeof(qc_program)); + prog = (qc_program_t*)mem_a(sizeof(qc_program_t)); if (!prog) { - fclose(file); - printf("failed to allocate program data\n"); + fs_file_close(file); + fprintf(stderr, "failed to allocate program data\n"); return NULL; } memset(prog, 0, sizeof(*prog)); @@ -88,90 +90,79 @@ qc_program* prog_load(const char *filename) goto error; } -#define read_data(hdrvar, progvar, type) \ - if (fseek(file, header.hdrvar.offset, SEEK_SET) != 0) { \ - loaderror("seek failed"); \ - goto error; \ - } \ - prog->progvar##_alloc = header.hdrvar.length; \ - prog->progvar##_count = header.hdrvar.length; \ - prog->progvar = (type*)mem_a(header.hdrvar.length * sizeof(*prog->progvar)); \ - if (!prog->progvar) \ - goto error; \ - if (fread(prog->progvar, sizeof(*prog->progvar), header.hdrvar.length, file) \ - != header.hdrvar.length) { \ - loaderror("read failed"); \ - goto error; \ - } -#define read_data1(x, y) read_data(x, x, y) - - read_data (statements, code, prog_section_statement); - read_data1(defs, prog_section_def); - read_data1(fields, prog_section_def); - read_data1(functions, prog_section_function); - read_data1(strings, char); - read_data1(globals, qcint); - - fclose(file); +#define read_data(hdrvar, progvar, reserved) \ + if (fs_file_seek(file, header.hdrvar.offset, SEEK_SET) != 0) { \ + loaderror("seek failed"); \ + goto error; \ + } \ + if (fs_file_read ( \ + vec_add(prog->progvar, header.hdrvar.length + reserved), \ + sizeof(*prog->progvar), \ + header.hdrvar.length, \ + file \ + )!= header.hdrvar.length \ + ) { \ + loaderror("read failed"); \ + goto error; \ + } +#define read_data1(x) read_data(x, x, 0) +#define read_data2(x, y) read_data(x, x, y) + + read_data (statements, code, 0); + read_data1(defs); + read_data1(fields); + read_data1(functions); + read_data1(strings); + read_data2(globals, 2); /* reserve more in case a RETURN using with the global at "the end" exists */ + + fs_file_close(file); /* profile counters */ - if (!qc_program_profile_resize(prog, prog->code_count)) - goto error; + memset(vec_add(prog->profile, vec_size(prog->code)), 0, sizeof(prog->profile[0]) * vec_size(prog->code)); /* Add tempstring area */ - prog->tempstring_start = prog->strings_count; - prog->tempstring_at = prog->strings_count; - if (!qc_program_strings_resize(prog, prog->strings_count + 16*1024)) - goto error; + prog->tempstring_start = vec_size(prog->strings); + prog->tempstring_at = vec_size(prog->strings); + memset(vec_add(prog->strings, 16*1024), 0, 16*1024); /* spawn the world entity */ - if (!qc_program_entitypool_add(prog, true)) { - loaderror("failed to allocate world entity\n"); - goto error; - } - for (i = 0; i < prog->entityfields; ++i) { - if (!qc_program_entitydata_add(prog, 0)) { - loaderror("failed to allocate world data\n"); - goto error; - } - } + vec_push(prog->entitypool, true); + memset(vec_add(prog->entitydata, prog->entityfields), 0, prog->entityfields * sizeof(prog->entitydata[0])); prog->entities = 1; return prog; error: - if (prog->filename) mem_d(prog->filename); - if (prog->code) mem_d(prog->code); - if (prog->defs) mem_d(prog->defs); - if (prog->fields) mem_d(prog->fields); - if (prog->functions) mem_d(prog->functions); - if (prog->strings) mem_d(prog->strings); - if (prog->globals) mem_d(prog->globals); - if (prog->entitydata) mem_d(prog->entitydata); - if (prog->entitypool) mem_d(prog->entitypool); + if (prog->filename) + mem_d(prog->filename); + vec_free(prog->code); + vec_free(prog->defs); + vec_free(prog->fields); + vec_free(prog->functions); + vec_free(prog->strings); + vec_free(prog->globals); + vec_free(prog->entitydata); + vec_free(prog->entitypool); mem_d(prog); + + fs_file_close(file); return NULL; } -void prog_delete(qc_program *prog) +void prog_delete(qc_program_t *prog) { if (prog->filename) mem_d(prog->filename); - MEM_VECTOR_CLEAR(prog, code); - MEM_VECTOR_CLEAR(prog, defs); - MEM_VECTOR_CLEAR(prog, fields); - MEM_VECTOR_CLEAR(prog, functions); - MEM_VECTOR_CLEAR(prog, strings); - MEM_VECTOR_CLEAR(prog, globals); - MEM_VECTOR_CLEAR(prog, entitydata); - MEM_VECTOR_CLEAR(prog, entitypool); - MEM_VECTOR_CLEAR(prog, localstack); - MEM_VECTOR_CLEAR(prog, stack); - MEM_VECTOR_CLEAR(prog, profile); - - if (prog->builtins_alloc) { - MEM_VECTOR_CLEAR(prog, builtins); - } - /* otherwise the builtins were statically allocated */ + vec_free(prog->code); + vec_free(prog->defs); + vec_free(prog->fields); + vec_free(prog->functions); + vec_free(prog->strings); + vec_free(prog->globals); + vec_free(prog->entitydata); + vec_free(prog->entitypool); + vec_free(prog->localstack); + vec_free(prog->stack); + vec_free(prog->profile); mem_d(prog); } @@ -179,114 +170,91 @@ void prog_delete(qc_program *prog) * VM code */ -char* prog_getstring(qc_program *prog, qcint str) -{ - if (str < 0 || str >= prog->strings_count) - return "<<>>"; +const char* prog_getstring(qc_program_t *prog, qcint_t str) { + /* cast for return required for C++ */ + if (str < 0 || str >= (qcint_t)vec_size(prog->strings)) + return "<<>>"; + return prog->strings + str; } -prog_section_def* prog_entfield(qc_program *prog, qcint off) -{ +prog_section_def_t* prog_entfield(qc_program_t *prog, qcint_t off) { size_t i; - for (i = 0; i < prog->fields_count; ++i) { + for (i = 0; i < vec_size(prog->fields); ++i) { if (prog->fields[i].offset == off) return (prog->fields + i); } return NULL; } -prog_section_def* prog_getdef(qc_program *prog, qcint off) +prog_section_def_t* prog_getdef(qc_program_t *prog, qcint_t off) { size_t i; - for (i = 0; i < prog->defs_count; ++i) { + for (i = 0; i < vec_size(prog->defs); ++i) { if (prog->defs[i].offset == off) return (prog->defs + i); } return NULL; } -qcany* prog_getedict(qc_program *prog, qcint e) -{ - if (e >= prog->entitypool_count) { +qcany_t* prog_getedict(qc_program_t *prog, qcint_t e) { + if (e >= (qcint_t)vec_size(prog->entitypool)) { prog->vmerror++; - printf("Accessing out of bounds edict %i\n", (int)e); + fprintf(stderr, "Accessing out of bounds edict %i\n", (int)e); e = 0; } - return (qcany*)(prog->entitydata + (prog->entityfields * e)); + return (qcany_t*)(prog->entitydata + (prog->entityfields * e)); } -qcint prog_spawn_entity(qc_program *prog) -{ +qcint_t prog_spawn_entity(qc_program_t *prog) { char *data; - size_t i; - qcint e; - for (e = 0; e < (qcint)prog->entitypool_count; ++e) { + qcint_t e; + for (e = 0; e < (qcint_t)vec_size(prog->entitypool); ++e) { if (!prog->entitypool[e]) { data = (char*)(prog->entitydata + (prog->entityfields * e)); - memset(data, 0, prog->entityfields * sizeof(qcint)); + memset(data, 0, prog->entityfields * sizeof(qcint_t)); return e; } } - if (!qc_program_entitypool_add(prog, true)) { - prog->vmerror++; - printf("Failed to allocate entity\n"); - return 0; - } + vec_push(prog->entitypool, true); prog->entities++; - for (i = 0; i < prog->entityfields; ++i) { - if (!qc_program_entitydata_add(prog, 0)) { - printf("Failed to allocate entity\n"); - return 0; - } - } - data = (char*)(prog->entitydata + (prog->entityfields * e)); - memset(data, 0, prog->entityfields * sizeof(qcint)); + data = (char*)vec_add(prog->entitydata, prog->entityfields); + memset(data, 0, prog->entityfields * sizeof(qcint_t)); return e; } -void prog_free_entity(qc_program *prog, qcint e) -{ +void prog_free_entity(qc_program_t *prog, qcint_t e) { if (!e) { prog->vmerror++; - printf("Trying to free world entity\n"); + fprintf(stderr, "Trying to free world entity\n"); return; } - if (e >= prog->entitypool_count) { + if (e >= (qcint_t)vec_size(prog->entitypool)) { prog->vmerror++; - printf("Trying to free out of bounds entity\n"); + fprintf(stderr, "Trying to free out of bounds entity\n"); return; } if (!prog->entitypool[e]) { prog->vmerror++; - printf("Double free on entity\n"); + fprintf(stderr, "Double free on entity\n"); return; } prog->entitypool[e] = false; } -qcint prog_tempstring(qc_program *prog, const char *_str) -{ - /* we don't access it, but the macro-generated functions don't use - * const - */ - char *str = (char*)_str; - +qcint_t prog_tempstring(qc_program_t *prog, const char *str) { size_t len = strlen(str); size_t at = prog->tempstring_at; /* when we reach the end we start over */ - if (at + len >= prog->strings_count) + if (at + len >= vec_size(prog->strings)) at = prog->tempstring_start; /* when it doesn't fit, reallocate */ - if (at + len >= prog->strings_count) + if (at + len >= vec_size(prog->strings)) { - prog->strings_count = at; - if (!qc_program_strings_append(prog, str, len+1)) { - prog->vmerror = VMERR_TEMPSTRING_ALLOC; - return 0; - } + (void)vec_add(prog->strings, len+1); + memcpy(prog->strings + at, str, len+1); return at; } @@ -296,9 +264,8 @@ qcint prog_tempstring(qc_program *prog, const char *_str) return at; } -static int print_escaped_string(const char *str, size_t maxlen) -{ - int len = 2; +static size_t print_escaped_string(const char *str, size_t maxlen) { + size_t len = 2; putchar('"'); --maxlen; /* because we're lazy and have escape sequences */ while (*str) { @@ -330,31 +297,31 @@ static int print_escaped_string(const char *str, size_t maxlen) return len; } -static void trace_print_global(qc_program *prog, unsigned int glob, int vtype) -{ +static void trace_print_global(qc_program_t *prog, unsigned int glob, int vtype) { static char spaces[28+1] = " "; - prog_section_def *def; - qcany *value; + prog_section_def_t *def; + qcany_t *value; int len; if (!glob) { - len = printf(","); + if ((len = printf(",")) == -1) + len = 0; + goto done; } def = prog_getdef(prog, glob); - value = (qcany*)(&prog->globals[glob]); + value = (qcany_t*)(&prog->globals[glob]); + len = printf("[@%u] ", glob); if (def) { const char *name = prog_getstring(prog, def->name); if (name[0] == '#') - len = printf("$"); + len += printf("$"); else - len = printf("%s ", name); - vtype = def->type; + len += printf("%s ", name); + vtype = def->type & DEF_TYPEMASK; } - else - len = printf("[@%u] ", glob); switch (vtype) { case TYPE_VOID: @@ -370,7 +337,10 @@ static void trace_print_global(qc_program *prog, unsigned int glob, int vtype) value->vector[2]); break; case TYPE_STRING: - len += print_escaped_string(prog_getstring(prog, value->string), sizeof(spaces)-len-5); + if (value->string) + len += print_escaped_string(prog_getstring(prog, value->string), sizeof(spaces)-len-5); + else + len += printf("(null)"); len += printf(","); /* len += printf("\"%s\",", prog_getstring(prog, value->string)); */ break; @@ -380,20 +350,25 @@ static void trace_print_global(qc_program *prog, unsigned int glob, int vtype) break; } done: - if (len < sizeof(spaces)-1) { + if (len < (int)sizeof(spaces)-1) { spaces[sizeof(spaces)-1-len] = 0; - printf(spaces); + fs_file_puts(stdout, spaces); spaces[sizeof(spaces)-1-len] = ' '; } } -static void prog_print_statement(qc_program *prog, prog_section_statement *st) -{ - if (st->opcode >= (sizeof(asm_instr)/sizeof(asm_instr[0]))) { +static void prog_print_statement(qc_program_t *prog, prog_section_statement_t *st) { + if (st->opcode >= VINSTR_END) { printf("\n", st->opcode); return; } - printf(" <> %-12s", asm_instr[st->opcode].m); + if ((prog->xflags & VMXF_TRACE) && vec_size(prog->function_stack)) { + size_t i; + for (i = 0; i < vec_size(prog->function_stack); ++i) + printf("->"); + printf("%s:", vec_last(prog->function_stack)); + } + printf(" <> %-12s", util_instr_str[st->opcode]); if (st->opcode >= INSTR_IF && st->opcode <= INSTR_IFNOT) { @@ -403,6 +378,7 @@ static void prog_print_statement(qc_program *prog, prog_section_statement *st) else if (st->opcode >= INSTR_CALL0 && st->opcode <= INSTR_CALL8) { + trace_print_global(prog, st->o1.u1, TYPE_FUNCTION); printf("\n"); } else if (st->opcode == INSTR_GOTO) @@ -476,42 +452,38 @@ static void prog_print_statement(qc_program *prog, prog_section_statement *st) else printf("(none)"); printf("\n"); } - fflush(stdout); } -static qcint prog_enterfunction(qc_program *prog, prog_section_function *func) -{ - qc_exec_stack st; - size_t p, parampos; +static qcint_t prog_enterfunction(qc_program_t *prog, prog_section_function_t *func) { + qc_exec_stack_t st; + size_t parampos; + int32_t p; /* back up locals */ - st.localsp = prog->localstack_count; + st.localsp = vec_size(prog->localstack); st.stmt = prog->statement; st.function = func; + if (prog->xflags & VMXF_TRACE) { + const char *str = prog_getstring(prog, func->name); + vec_push(prog->function_stack, str); + } + #ifdef QCVM_BACKUP_STRATEGY_CALLER_VARS - if (prog->stack_count) + if (vec_size(prog->stack)) { - prog_section_function *cur; - cur = prog->stack[prog->stack_count-1].function; + prog_section_function_t *cur; + cur = prog->stack[vec_size(prog->stack)-1].function; if (cur) { - qcint *globals = prog->globals + cur->firstlocal; - if (!qc_program_localstack_append(prog, globals, cur->locals)) - { - printf("out of memory\n"); - exit(1); - } + qcint_t *globals = prog->globals + cur->firstlocal; + vec_append(prog->localstack, cur->locals, globals); } } #else { - qcint *globals = prog->globals + func->firstlocal; - if (!qc_program_localstack_append(prog, globals, func->locals)) - { - printf("out of memory\n"); - exit(1); - } + qcint_t *globals = prog->globals + func->firstlocal; + vec_append(prog->localstack, func->locals, globals); } #endif @@ -526,52 +498,47 @@ static qcint prog_enterfunction(qc_program *prog, prog_section_function *func) } } - if (!qc_program_stack_add(prog, st)) { - printf("out of memory\n"); - exit(1); - } + vec_push(prog->stack, st); return func->entry; } -static qcint prog_leavefunction(qc_program *prog) -{ - prog_section_function *prev = NULL; +static qcint_t prog_leavefunction(qc_program_t *prog) { + prog_section_function_t *prev = NULL; size_t oldsp; - qc_exec_stack st = prog->stack[prog->stack_count-1]; + qc_exec_stack_t st = vec_last(prog->stack); + + if (prog->xflags & VMXF_TRACE) { + if (vec_size(prog->function_stack)) + vec_pop(prog->function_stack); + } #ifdef QCVM_BACKUP_STRATEGY_CALLER_VARS - if (prog->stack_count > 1) { - prev = prog->stack[prog->stack_count-2].function; - oldsp = prog->stack[prog->stack_count-2].localsp; + if (vec_size(prog->stack) > 1) { + prev = prog->stack[vec_size(prog->stack)-2].function; + oldsp = prog->stack[vec_size(prog->stack)-2].localsp; } #else - prev = prog->stack[prog->stack_count-1].function; - oldsp = prog->stack[prog->stack_count-1].localsp; + prev = prog->stack[vec_size(prog->stack)-1].function; + oldsp = prog->stack[vec_size(prog->stack)-1].localsp; #endif if (prev) { - qcint *globals = prog->globals + prev->firstlocal; - memcpy(globals, prog->localstack + oldsp, prev->locals); - if (!qc_program_localstack_resize(prog, oldsp)) { - printf("out of memory\n"); - exit(1); - } + qcint_t *globals = prog->globals + prev->firstlocal; + memcpy(globals, prog->localstack + oldsp, prev->locals * sizeof(prog->localstack[0])); + /* vec_remove(prog->localstack, oldsp, vec_size(prog->localstack)-oldsp); */ + vec_shrinkto(prog->localstack, oldsp); } - if (!qc_program_stack_remove(prog, prog->stack_count-1)) { - printf("out of memory\n"); - exit(1); - } + vec_pop(prog->stack); return st.stmt - 1; /* offset the ++st */ } -bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps) -{ +bool prog_exec(qc_program_t *prog, prog_section_function_t *func, size_t flags, long maxjumps) { long jumpcount = 0; size_t oldxflags = prog->xflags; - prog_section_statement *st; + prog_section_statement_t *st; prog->vmerror = 0; prog->xflags = flags; @@ -583,38 +550,35 @@ bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long default: case 0: { +#define QCVM_LOOP 1 #define QCVM_PROFILE 0 #define QCVM_TRACE 0 -# include "execloop.h" - break; +# include __FILE__ } case (VMXF_TRACE): { #define QCVM_PROFILE 0 #define QCVM_TRACE 1 -# include "execloop.h" - break; +# include __FILE__ } case (VMXF_PROFILE): { #define QCVM_PROFILE 1 #define QCVM_TRACE 0 -# include "execloop.h" - break; +# include __FILE__ } case (VMXF_TRACE|VMXF_PROFILE): { #define QCVM_PROFILE 1 #define QCVM_TRACE 1 -# include "execloop.h" - break; +# include __FILE__ } }; cleanup: prog->xflags = oldxflags; - prog->localstack_count = 0; - prog->stack_count = 0; + vec_free(prog->localstack); + vec_free(prog->stack); if (prog->vmerror) return false; return true; @@ -627,6 +591,8 @@ cleanup: #if defined(QCVM_EXECUTOR) #include +opts_cmd_t opts; + const char *type_name[TYPE_COUNT] = { "void", "string", @@ -636,42 +602,45 @@ const char *type_name[TYPE_COUNT] = { "field", "function", "pointer", -#if 0 "integer", -#endif - "variant" -}; -bool opts_debug = false; -bool opts_memchk = false; + "variant", + + "struct", + "union", + "array", + + "nil", + "noexpr" +}; typedef struct { int vtype; const char *value; } qcvm_parameter; -VECTOR_MAKE(qcvm_parameter, main_params); +static qcvm_parameter *main_params = NULL; #define CheckArgs(num) do { \ if (prog->argc != (num)) { \ prog->vmerror++; \ - printf("ERROR: invalid number of arguments for %s: %i, expected %i\n", \ + fprintf(stderr, "ERROR: invalid number of arguments for %s: %i, expected %i\n", \ __FUNCTION__, prog->argc, (num)); \ return -1; \ } \ } while (0) -#define GetGlobal(idx) ((qcany*)(prog->globals + (idx))) +#define GetGlobal(idx) ((qcany_t*)(prog->globals + (idx))) #define GetArg(num) GetGlobal(OFS_PARM0 + 3*(num)) #define Return(any) *(GetGlobal(OFS_RETURN)) = (any) -static int qc_print(qc_program *prog) -{ +static int qc_print(qc_program_t *prog) { size_t i; const char *laststr = NULL; - for (i = 0; i < prog->argc; ++i) { - qcany *str = (qcany*)(prog->globals + OFS_PARM0 + 3*i); - printf("%s", (laststr = prog_getstring(prog, str->string))); + for (i = 0; i < (size_t)prog->argc; ++i) { + qcany_t *str = (qcany_t*)(prog->globals + OFS_PARM0 + 3*i); + laststr = prog_getstring(prog, str->string); + printf("%s", laststr); } if (laststr && (prog->xflags & VMXF_TRACE)) { size_t len = strlen(laststr); @@ -681,144 +650,344 @@ static int qc_print(qc_program *prog) return 0; } -static int qc_error(qc_program *prog) -{ - printf("*** VM raised an error:\n"); +static int qc_error(qc_program_t *prog) { + fprintf(stderr, "*** VM raised an error:\n"); qc_print(prog); prog->vmerror++; return -1; } -static int qc_ftos(qc_program *prog) -{ +static int qc_ftos(qc_program_t *prog) { char buffer[512]; - qcany *num; - qcany str; + qcany_t *num; + qcany_t str; CheckArgs(1); num = GetArg(0); - snprintf(buffer, sizeof(buffer), "%g", num->_float); + util_snprintf(buffer, sizeof(buffer), "%g", num->_float); str.string = prog_tempstring(prog, buffer); Return(str); return 0; } -static int qc_vtos(qc_program *prog) -{ +static int qc_stof(qc_program_t *prog) { + qcany_t *str; + qcany_t num; + CheckArgs(1); + str = GetArg(0); + num._float = (float)strtod(prog_getstring(prog, str->string), NULL); + Return(num); + return 0; +} + +static int qc_vtos(qc_program_t *prog) { char buffer[512]; - qcany *num; - qcany str; + qcany_t *num; + qcany_t str; CheckArgs(1); num = GetArg(0); - snprintf(buffer, sizeof(buffer), "'%g %g %g'", num->vector[0], num->vector[1], num->vector[2]); + util_snprintf(buffer, sizeof(buffer), "'%g %g %g'", num->vector[0], num->vector[1], num->vector[2]); str.string = prog_tempstring(prog, buffer); Return(str); return 0; } -static int qc_spawn(qc_program *prog) -{ - qcany ent; +static int qc_etos(qc_program_t *prog) { + char buffer[512]; + qcany_t *num; + qcany_t str; + CheckArgs(1); + num = GetArg(0); + util_snprintf(buffer, sizeof(buffer), "%i", num->_int); + str.string = prog_tempstring(prog, buffer); + Return(str); + return 0; +} + +static int qc_spawn(qc_program_t *prog) { + qcany_t ent; CheckArgs(0); ent.edict = prog_spawn_entity(prog); Return(ent); return (ent.edict ? 0 : -1); } -static int qc_kill(qc_program *prog) -{ - qcany *ent; +static int qc_kill(qc_program_t *prog) { + qcany_t *ent; CheckArgs(1); ent = GetArg(0); prog_free_entity(prog, ent->edict); return 0; } -static int qc_vlen(qc_program *prog) -{ - qcany *vec, len; +static int qc_sqrt(qc_program_t *prog) { + qcany_t *num, out; + CheckArgs(1); + num = GetArg(0); + out._float = sqrt(num->_float); + Return(out); + return 0; +} + +static int qc_vlen(qc_program_t *prog) { + qcany_t *vec, len; CheckArgs(1); vec = GetArg(0); - len._float = sqrt(vec->vector[0] * vec->vector[0] + + len._float = sqrt(vec->vector[0] * vec->vector[0] + vec->vector[1] * vec->vector[1] + vec->vector[2] * vec->vector[2]); Return(len); return 0; } -static prog_builtin qc_builtins[] = { +static int qc_normalize(qc_program_t *prog) { + double len; + qcany_t *vec; + qcany_t out; + CheckArgs(1); + vec = GetArg(0); + len = sqrt(vec->vector[0] * vec->vector[0] + + vec->vector[1] * vec->vector[1] + + vec->vector[2] * vec->vector[2]); + if (len) + len = 1.0 / len; + else + len = 0; + out.vector[0] = len * vec->vector[0]; + out.vector[1] = len * vec->vector[1]; + out.vector[2] = len * vec->vector[2]; + Return(out); + return 0; +} + +static int qc_strcat(qc_program_t *prog) { + char *buffer; + size_t len1, len2; + qcany_t *str1, *str2; + qcany_t out; + + const char *cstr1; + const char *cstr2; + + CheckArgs(2); + str1 = GetArg(0); + str2 = GetArg(1); + cstr1 = prog_getstring(prog, str1->string); + cstr2 = prog_getstring(prog, str2->string); + len1 = strlen(cstr1); + len2 = strlen(cstr2); + buffer = (char*)mem_a(len1 + len2 + 1); + memcpy(buffer, cstr1, len1); + memcpy(buffer+len1, cstr2, len2+1); + out.string = prog_tempstring(prog, buffer); + mem_d(buffer); + Return(out); + return 0; +} + +static int qc_strcmp(qc_program_t *prog) { + qcany_t *str1, *str2; + qcany_t out; + + const char *cstr1; + const char *cstr2; + + if (prog->argc != 2 && prog->argc != 3) { + fprintf(stderr, "ERROR: invalid number of arguments for strcmp/strncmp: %i, expected 2 or 3\n", + prog->argc); + return -1; + } + + str1 = GetArg(0); + str2 = GetArg(1); + cstr1 = prog_getstring(prog, str1->string); + cstr2 = prog_getstring(prog, str2->string); + if (prog->argc == 3) + out._float = strncmp(cstr1, cstr2, GetArg(2)->_float); + else + out._float = strcmp(cstr1, cstr2); + Return(out); + return 0; +} + +static int qc_floor(qc_program_t *prog) { + qcany_t *num, out; + CheckArgs(1); + num = GetArg(0); + out._float = floor(num->_float); + Return(out); + return 0; +} + +static prog_builtin_t qc_builtins[] = { NULL, - &qc_print, /* 1 */ - &qc_ftos, /* 2 */ - &qc_spawn, /* 3 */ - &qc_kill, /* 4 */ - &qc_vtos, /* 5 */ - &qc_error, /* 6 */ - &qc_vlen /* 7 */ + &qc_print, /* 1 */ + &qc_ftos, /* 2 */ + &qc_spawn, /* 3 */ + &qc_kill, /* 4 */ + &qc_vtos, /* 5 */ + &qc_error, /* 6 */ + &qc_vlen, /* 7 */ + &qc_etos, /* 8 */ + &qc_stof, /* 9 */ + &qc_strcat, /* 10 */ + &qc_strcmp, /* 11 */ + &qc_normalize, /* 12 */ + &qc_sqrt, /* 13 */ + &qc_floor /* 14 */ }; static size_t qc_builtins_count = sizeof(qc_builtins) / sizeof(qc_builtins[0]); static const char *arg0 = NULL; -void usage() -{ - printf("usage: [-debug] %s file\n", arg0); - exit(1); +static void version(void) { + printf("GMQCC-QCVM %d.%d.%d Built %s %s\n", + GMQCC_VERSION_MAJOR, + GMQCC_VERSION_MINOR, + GMQCC_VERSION_PATCH, + __DATE__, + __TIME__ + ); } -static void prog_main_setparams(qc_program *prog) -{ +static void usage(void) { + printf("usage: %s [options] [parameters] file\n", arg0); + printf("options:\n"); + printf(" -h, --help print this message\n" + " -trace trace the execution\n" + " -profile perform profiling during execution\n" + " -info print information from the prog's header\n" + " -disasm disassemble and exit\n" + " -disasm-func func disassemble and exit\n" + " -printdefs list the defs section\n" + " -printfields list the field section\n" + " -printfuns list functions information\n" + " -v be verbose\n" + " -vv be even more verbose\n"); + printf("parameters:\n"); + printf(" -vector pass a vector parameter to main()\n" + " -float pass a float parameter to main()\n" + " -string pass a string parameter to main() \n"); +} + +static void prog_main_setparams(qc_program_t *prog) { size_t i; - qcany *arg; + qcany_t *arg; - for (i = 0; i < main_params_elements; ++i) { + for (i = 0; i < vec_size(main_params); ++i) { arg = GetGlobal(OFS_PARM0 + 3*i); arg->vector[0] = 0; arg->vector[1] = 0; arg->vector[2] = 0; - switch (main_params_data[i].vtype) { + switch (main_params[i].vtype) { case TYPE_VECTOR: -#ifdef WIN32 - (void)sscanf_s(main_params_data[i].value, " %f %f %f ", +#ifdef _MSC_VER + (void)sscanf_s(main_params[i].value, " %f %f %f ", &arg->vector[0], &arg->vector[1], &arg->vector[2]); #else - (void)sscanf(main_params_data[i].value, " %f %f %f ", + (void)sscanf(main_params[i].value, " %f %f %f ", &arg->vector[0], &arg->vector[1], &arg->vector[2]); #endif break; case TYPE_FLOAT: - arg->_float = atof(main_params_data[i].value); + arg->_float = atof(main_params[i].value); break; case TYPE_STRING: - arg->string = prog_tempstring(prog, main_params_data[i].value); + arg->string = prog_tempstring(prog, main_params[i].value); break; default: - printf("error: unhandled parameter type: %i\n", main_params_data[i].vtype); + fprintf(stderr, "error: unhandled parameter type: %i\n", main_params[i].vtype); break; } } } -int main(int argc, char **argv) -{ +void escapestring(char* dest, const char* src) { + char c; + while ((c = *(src++))) { + switch(c) { + case '\t': + *(dest++) = '\\', *(dest++) = 't'; + break; + case '\n': + *(dest++) = '\\', *(dest++) = 'n'; + break; + case '\r': + *(dest++) = '\\', *(dest++) = 'r'; + break; + case '\\': + *(dest++) = '\\', *(dest++) = '\\'; + break; + case '\"': + *(dest++) = '\\', *(dest++) = '\"'; + break; + default: + *(dest++) = c; + } + } + *dest = '\0'; +} + +void prog_disasm_function(qc_program_t *prog, size_t id); + +int main(int argc, char **argv) { size_t i; - qcint fnmain = -1; - qc_program *prog; + qcint_t fnmain = -1; + qc_program_t *prog; size_t xflags = VMXF_DEFAULT; bool opts_printfields = false; bool opts_printdefs = false; - bool opts_info = false; + bool opts_printfuns = false; + bool opts_disasm = false; + bool opts_info = false; + bool noexec = false; + const char *progsfile = NULL; + const char **dis_list = NULL; + int opts_v = 0; arg0 = argv[0]; - if (argc < 2) + if (argc < 2) { usage(); + exit(1); + } - while (argc > 2) { - if (!strcmp(argv[1], "-trace")) { + while (argc > 1) { + if (!strcmp(argv[1], "-h") || + !strcmp(argv[1], "-help") || + !strcmp(argv[1], "--help")) + { + usage(); + exit(0); + } + else if (!strcmp(argv[1], "-v")) { + ++opts_v; + --argc; + ++argv; + } + else if (!strncmp(argv[1], "-vv", 3)) { + const char *av = argv[1]+1; + for (; *av; ++av) { + if (*av == 'v') + ++opts_v; + else { + usage(); + exit(1); + } + } + --argc; + ++argv; + } + else if (!strcmp(argv[1], "-version") || + !strcmp(argv[1], "--version")) + { + version(); + exit(0); + } + else if (!strcmp(argv[1], "-trace")) { --argc; ++argv; xflags |= VMXF_TRACE; @@ -832,16 +1001,43 @@ int main(int argc, char **argv) --argc; ++argv; opts_info = true; + noexec = true; + } + else if (!strcmp(argv[1], "-disasm")) { + --argc; + ++argv; + opts_disasm = true; + noexec = true; + } + else if (!strcmp(argv[1], "-disasm-func")) { + --argc; + ++argv; + if (argc <= 1) { + usage(); + exit(1); + } + vec_push(dis_list, argv[1]); + --argc; + ++argv; + noexec = true; } else if (!strcmp(argv[1], "-printdefs")) { --argc; ++argv; opts_printdefs = true; + noexec = true; + } + else if (!strcmp(argv[1], "-printfuns")) { + --argc; + ++argv; + opts_printfuns = true; + noexec = true; } else if (!strcmp(argv[1], "-printfields")) { --argc; ++argv; opts_printfields = true; + noexec = true; } else if (!strcmp(argv[1], "-vector") || !strcmp(argv[1], "-string") || @@ -854,78 +1050,581 @@ int main(int argc, char **argv) p.vtype = TYPE_STRING; else if (argv[1][1] == 'v') p.vtype = TYPE_VECTOR; + else + p.vtype = TYPE_VOID; --argc; ++argv; - if (argc < 3) + if (argc < 2) { usage(); + exit(1); + } p.value = argv[1]; - if (main_params_add(p) < 0) { - if (main_params_data) - mem_d(main_params_data); - printf("cannot add parameter\n"); + vec_push(main_params, p); + --argc; + ++argv; + } + else if (!strcmp(argv[1], "--")) { + --argc; + ++argv; + break; + } + else if (argv[1][0] != '-') { + if (progsfile) { + fprintf(stderr, "only 1 program file may be specified\n"); + usage(); exit(1); } + progsfile = argv[1]; --argc; ++argv; } else + { + fprintf(stderr, "unknown parameter: %s\n", argv[1]); usage(); + exit(1); + } } + if (argc == 2 && !progsfile) { + progsfile = argv[1]; + --argc; + ++argv; + } - prog = prog_load(argv[1]); + if (!progsfile) { + fprintf(stderr, "must specify a program to execute\n"); + usage(); + exit(1); + } + + prog = prog_load(progsfile, noexec); if (!prog) { - printf("failed to load program '%s'\n", argv[1]); + fprintf(stderr, "failed to load program '%s'\n", progsfile); exit(1); } prog->builtins = qc_builtins; prog->builtins_count = qc_builtins_count; - prog->builtins_alloc = 0; - - printf("Program's system-checksum = 0x%04x\n", (int)prog->crc16); - for (i = 1; i < prog->functions_count; ++i) { - const char *name = prog_getstring(prog, prog->functions[i].name); - /* printf("Found function: %s\n", name); */ - if (!strcmp(name, "main")) - fnmain = (qcint)i; + if (opts_info) { + printf("Program's system-checksum = 0x%04x\n", (unsigned int)prog->crc16); + printf("Entity field space: %u\n", (unsigned int)prog->entityfields); + printf("Globals: %u\n", (unsigned int)vec_size(prog->globals)); + printf("Counts:\n" + " code: %lu\n" + " defs: %lu\n" + " fields: %lu\n" + " functions: %lu\n" + " strings: %lu\n", + (unsigned long)vec_size(prog->code), + (unsigned long)vec_size(prog->defs), + (unsigned long)vec_size(prog->fields), + (unsigned long)vec_size(prog->functions), + (unsigned long)vec_size(prog->strings)); } - printf("Entity field space: %i\n", (int)prog->entityfields); + if (opts_info) { prog_delete(prog); return 0; } + for (i = 0; i < vec_size(dis_list); ++i) { + size_t k; + printf("Looking for `%s`\n", dis_list[i]); + for (k = 1; k < vec_size(prog->functions); ++k) { + const char *name = prog_getstring(prog, prog->functions[k].name); + if (!strcmp(name, dis_list[i])) { + prog_disasm_function(prog, k); + break; + } + } + } + if (opts_disasm) { + for (i = 1; i < vec_size(prog->functions); ++i) + prog_disasm_function(prog, i); + return 0; + } if (opts_printdefs) { - for (i = 0; i < prog->defs_count; ++i) { - printf("Global: %8s %-16s at %u\n", - type_name[prog->defs[i].type], + char *escape = NULL; + const char *getstring = NULL; + + for (i = 0; i < vec_size(prog->defs); ++i) { + printf("Global: %8s %-16s at %u%s", + type_name[prog->defs[i].type & DEF_TYPEMASK], prog_getstring(prog, prog->defs[i].name), - (unsigned int)prog->defs[i].offset); + (unsigned int)prog->defs[i].offset, + ((prog->defs[i].type & DEF_SAVEGLOBAL) ? " [SAVE]" : "")); + if (opts_v) { + switch (prog->defs[i].type & DEF_TYPEMASK) { + case TYPE_FLOAT: + printf(" [init: %g]", ((qcany_t*)(prog->globals + prog->defs[i].offset))->_float); + break; + case TYPE_INTEGER: + printf(" [init: %i]", (int)( ((qcany_t*)(prog->globals + prog->defs[i].offset))->_int )); + break; + case TYPE_ENTITY: + case TYPE_FUNCTION: + case TYPE_FIELD: + case TYPE_POINTER: + printf(" [init: %u]", (unsigned)( ((qcany_t*)(prog->globals + prog->defs[i].offset))->_int )); + break; + case TYPE_STRING: + getstring = prog_getstring(prog, ((qcany_t*)(prog->globals + prog->defs[i].offset))->string); + escape = (char*)mem_a(strlen(getstring) * 2 + 1); /* will be enough */ + escapestring(escape, getstring); + printf(" [init: `%s`]", escape); + + mem_d(escape); /* free */ + break; + default: + break; + } + } + printf("\n"); } } - else if (opts_printfields) { - for (i = 0; i < prog->fields_count; ++i) { - printf("Field: %8s %-16s at %u\n", + if (opts_printfields) { + for (i = 0; i < vec_size(prog->fields); ++i) { + printf("Field: %8s %-16s at %u%s\n", type_name[prog->fields[i].type], prog_getstring(prog, prog->fields[i].name), - (unsigned int)prog->fields[i].offset); + (unsigned int)prog->fields[i].offset, + ((prog->fields[i].type & DEF_SAVEGLOBAL) ? " [SAVE]" : "")); } } - else - { + if (opts_printfuns) { + for (i = 0; i < vec_size(prog->functions); ++i) { + int32_t a; + printf("Function: %-16s taking %i parameters:(", + prog_getstring(prog, prog->functions[i].name), + (unsigned int)prog->functions[i].nargs); + for (a = 0; a < prog->functions[i].nargs; ++a) { + printf(" %i", prog->functions[i].argsize[a]); + } + if (opts_v > 1) { + int32_t start = prog->functions[i].entry; + if (start < 0) + printf(") builtin %i\n", (int)-start); + else { + size_t funsize = 0; + prog_section_statement_t *st = prog->code + start; + for (;st->opcode != INSTR_DONE; ++st) + ++funsize; + printf(") - %lu instructions", (unsigned long)funsize); + if (opts_v > 2) { + printf(" - locals: %i + %i\n", + prog->functions[i].firstlocal, + prog->functions[i].locals); + } + else + printf("\n"); + } + } + else if (opts_v) { + printf(") locals: %i + %i\n", + prog->functions[i].firstlocal, + prog->functions[i].locals); + } + else + printf(")\n"); + } + } + if (!noexec) { + for (i = 1; i < vec_size(prog->functions); ++i) { + const char *name = prog_getstring(prog, prog->functions[i].name); + if (!strcmp(name, "main")) + fnmain = (qcint_t)i; + } if (fnmain > 0) { prog_main_setparams(prog); prog_exec(prog, &prog->functions[fnmain], xflags, VM_JUMPS_DEFAULT); } else - printf("No main function found\n"); + fprintf(stderr, "No main function found\n"); } prog_delete(prog); return 0; } + +void prog_disasm_function(qc_program_t *prog, size_t id) { + prog_section_function_t *fdef = prog->functions + id; + prog_section_statement_t *st; + + if (fdef->entry < 0) { + printf("FUNCTION \"%s\" = builtin #%i\n", prog_getstring(prog, fdef->name), (int)-fdef->entry); + return; + } + else + printf("FUNCTION \"%s\"\n", prog_getstring(prog, fdef->name)); + + st = prog->code + fdef->entry; + while (st->opcode != INSTR_DONE) { + prog_print_statement(prog, st); + ++st; + } +} #endif +#else /* !QCVM_LOOP */ +/* + * Everything from here on is not including into the compilation of the + * executor. This is simply code that is #included via #include __FILE__ + * see when QCVM_LOOP is defined, the rest of the code above do not get + * re-included. So this really just acts like one large macro, but it + * sort of isn't, which makes it nicer looking. + */ + +#define OPA ( (qcany_t*) (prog->globals + st->o1.u1) ) +#define OPB ( (qcany_t*) (prog->globals + st->o2.u1) ) +#define OPC ( (qcany_t*) (prog->globals + st->o3.u1) ) + +#define GLOBAL(x) ( (qcany_t*) (prog->globals + (x)) ) + +/* to be consistent with current darkplaces behaviour */ +#if !defined(FLOAT_IS_TRUE_FOR_INT) +# define FLOAT_IS_TRUE_FOR_INT(x) ( (x) & 0x7FFFFFFF ) +#endif + +while (1) { + prog_section_function_t *newf; + qcany_t *ed; + qcany_t *ptr; + + ++st; + +#if QCVM_PROFILE + prog->profile[st - prog->code]++; +#endif + +#if QCVM_TRACE + prog_print_statement(prog, st); +#endif + + switch (st->opcode) + { + default: + qcvmerror(prog, "Illegal instruction in %s\n", prog->filename); + goto cleanup; + + case INSTR_DONE: + case INSTR_RETURN: + /* TODO: add instruction count to function profile count */ + GLOBAL(OFS_RETURN)->ivector[0] = OPA->ivector[0]; + GLOBAL(OFS_RETURN)->ivector[1] = OPA->ivector[1]; + GLOBAL(OFS_RETURN)->ivector[2] = OPA->ivector[2]; + + st = prog->code + prog_leavefunction(prog); + if (!vec_size(prog->stack)) + goto cleanup; + + break; + + case INSTR_MUL_F: + OPC->_float = OPA->_float * OPB->_float; + break; + case INSTR_MUL_V: + OPC->_float = OPA->vector[0]*OPB->vector[0] + + OPA->vector[1]*OPB->vector[1] + + OPA->vector[2]*OPB->vector[2]; + break; + case INSTR_MUL_FV: + { + qcfloat_t f = OPA->_float; + OPC->vector[0] = f * OPB->vector[0]; + OPC->vector[1] = f * OPB->vector[1]; + OPC->vector[2] = f * OPB->vector[2]; + break; + } + case INSTR_MUL_VF: + { + qcfloat_t f = OPB->_float; + OPC->vector[0] = f * OPA->vector[0]; + OPC->vector[1] = f * OPA->vector[1]; + OPC->vector[2] = f * OPA->vector[2]; + break; + } + case INSTR_DIV_F: + if (OPB->_float != 0.0f) + OPC->_float = OPA->_float / OPB->_float; + else + OPC->_float = 0; + break; + + case INSTR_ADD_F: + OPC->_float = OPA->_float + OPB->_float; + break; + case INSTR_ADD_V: + OPC->vector[0] = OPA->vector[0] + OPB->vector[0]; + OPC->vector[1] = OPA->vector[1] + OPB->vector[1]; + OPC->vector[2] = OPA->vector[2] + OPB->vector[2]; + break; + case INSTR_SUB_F: + OPC->_float = OPA->_float - OPB->_float; + break; + case INSTR_SUB_V: + OPC->vector[0] = OPA->vector[0] - OPB->vector[0]; + OPC->vector[1] = OPA->vector[1] - OPB->vector[1]; + OPC->vector[2] = OPA->vector[2] - OPB->vector[2]; + break; + + case INSTR_EQ_F: + OPC->_float = (OPA->_float == OPB->_float); + break; + case INSTR_EQ_V: + OPC->_float = ((OPA->vector[0] == OPB->vector[0]) && + (OPA->vector[1] == OPB->vector[1]) && + (OPA->vector[2] == OPB->vector[2]) ); + break; + case INSTR_EQ_S: + OPC->_float = !strcmp(prog_getstring(prog, OPA->string), + prog_getstring(prog, OPB->string)); + break; + case INSTR_EQ_E: + OPC->_float = (OPA->_int == OPB->_int); + break; + case INSTR_EQ_FNC: + OPC->_float = (OPA->function == OPB->function); + break; + case INSTR_NE_F: + OPC->_float = (OPA->_float != OPB->_float); + break; + case INSTR_NE_V: + OPC->_float = ((OPA->vector[0] != OPB->vector[0]) || + (OPA->vector[1] != OPB->vector[1]) || + (OPA->vector[2] != OPB->vector[2]) ); + break; + case INSTR_NE_S: + OPC->_float = !!strcmp(prog_getstring(prog, OPA->string), + prog_getstring(prog, OPB->string)); + break; + case INSTR_NE_E: + OPC->_float = (OPA->_int != OPB->_int); + break; + case INSTR_NE_FNC: + OPC->_float = (OPA->function != OPB->function); + break; + + case INSTR_LE: + OPC->_float = (OPA->_float <= OPB->_float); + break; + case INSTR_GE: + OPC->_float = (OPA->_float >= OPB->_float); + break; + case INSTR_LT: + OPC->_float = (OPA->_float < OPB->_float); + break; + case INSTR_GT: + OPC->_float = (OPA->_float > OPB->_float); + break; + + case INSTR_LOAD_F: + case INSTR_LOAD_S: + case INSTR_LOAD_FLD: + case INSTR_LOAD_ENT: + case INSTR_LOAD_FNC: + if (OPA->edict < 0 || OPA->edict >= prog->entities) { + qcvmerror(prog, "progs `%s` attempted to read an out of bounds entity", prog->filename); + goto cleanup; + } + if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->entityfields)) { + qcvmerror(prog, "prog `%s` attempted to read an invalid field from entity (%i)", + prog->filename, + OPB->_int); + goto cleanup; + } + ed = prog_getedict(prog, OPA->edict); + OPC->_int = ((qcany_t*)( ((qcint_t*)ed) + OPB->_int ))->_int; + break; + case INSTR_LOAD_V: + if (OPA->edict < 0 || OPA->edict >= prog->entities) { + qcvmerror(prog, "progs `%s` attempted to read an out of bounds entity", prog->filename); + goto cleanup; + } + if (OPB->_int < 0 || OPB->_int + 3 > (qcint_t)prog->entityfields) + { + qcvmerror(prog, "prog `%s` attempted to read an invalid field from entity (%i)", + prog->filename, + OPB->_int + 2); + goto cleanup; + } + ed = prog_getedict(prog, OPA->edict); + ptr = (qcany_t*)( ((qcint_t*)ed) + OPB->_int ); + OPC->ivector[0] = ptr->ivector[0]; + OPC->ivector[1] = ptr->ivector[1]; + OPC->ivector[2] = ptr->ivector[2]; + break; + + case INSTR_ADDRESS: + if (OPA->edict < 0 || OPA->edict >= prog->entities) { + qcvmerror(prog, "prog `%s` attempted to address an out of bounds entity %i", prog->filename, OPA->edict); + goto cleanup; + } + if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->entityfields)) + { + qcvmerror(prog, "prog `%s` attempted to read an invalid field from entity (%i)", + prog->filename, + OPB->_int); + goto cleanup; + } + + ed = prog_getedict(prog, OPA->edict); + OPC->_int = ((qcint_t*)ed) - prog->entitydata + OPB->_int; + break; + + case INSTR_STORE_F: + case INSTR_STORE_S: + case INSTR_STORE_ENT: + case INSTR_STORE_FLD: + case INSTR_STORE_FNC: + OPB->_int = OPA->_int; + break; + case INSTR_STORE_V: + OPB->ivector[0] = OPA->ivector[0]; + OPB->ivector[1] = OPA->ivector[1]; + OPB->ivector[2] = OPA->ivector[2]; + break; + + case INSTR_STOREP_F: + case INSTR_STOREP_S: + case INSTR_STOREP_ENT: + case INSTR_STOREP_FLD: + case INSTR_STOREP_FNC: + if (OPB->_int < 0 || OPB->_int >= (qcint_t)vec_size(prog->entitydata)) { + qcvmerror(prog, "`%s` attempted to write to an out of bounds edict (%i)", prog->filename, OPB->_int); + goto cleanup; + } + if (OPB->_int < (qcint_t)prog->entityfields && !prog->allowworldwrites) + qcvmerror(prog, "`%s` tried to assign to world.%s (field %i)\n", + prog->filename, + prog_getstring(prog, prog_entfield(prog, OPB->_int)->name), + OPB->_int); + ptr = (qcany_t*)(prog->entitydata + OPB->_int); + ptr->_int = OPA->_int; + break; + case INSTR_STOREP_V: + if (OPB->_int < 0 || OPB->_int + 2 >= (qcint_t)vec_size(prog->entitydata)) { + qcvmerror(prog, "`%s` attempted to write to an out of bounds edict (%i)", prog->filename, OPB->_int); + goto cleanup; + } + if (OPB->_int < (qcint_t)prog->entityfields && !prog->allowworldwrites) + qcvmerror(prog, "`%s` tried to assign to world.%s (field %i)\n", + prog->filename, + prog_getstring(prog, prog_entfield(prog, OPB->_int)->name), + OPB->_int); + ptr = (qcany_t*)(prog->entitydata + OPB->_int); + ptr->ivector[0] = OPA->ivector[0]; + ptr->ivector[1] = OPA->ivector[1]; + ptr->ivector[2] = OPA->ivector[2]; + break; + + case INSTR_NOT_F: + OPC->_float = !FLOAT_IS_TRUE_FOR_INT(OPA->_int); + break; + case INSTR_NOT_V: + OPC->_float = !OPA->vector[0] && + !OPA->vector[1] && + !OPA->vector[2]; + break; + case INSTR_NOT_S: + OPC->_float = !OPA->string || + !*prog_getstring(prog, OPA->string); + break; + case INSTR_NOT_ENT: + OPC->_float = (OPA->edict == 0); + break; + case INSTR_NOT_FNC: + OPC->_float = !OPA->function; + break; + + case INSTR_IF: + /* this is consistent with darkplaces' behaviour */ + if(FLOAT_IS_TRUE_FOR_INT(OPA->_int)) + { + st += st->o2.s1 - 1; /* offset the s++ */ + if (++jumpcount >= maxjumps) + qcvmerror(prog, "`%s` hit the runaway loop counter limit of %li jumps", prog->filename, jumpcount); + } + break; + case INSTR_IFNOT: + if(!FLOAT_IS_TRUE_FOR_INT(OPA->_int)) + { + st += st->o2.s1 - 1; /* offset the s++ */ + if (++jumpcount >= maxjumps) + qcvmerror(prog, "`%s` hit the runaway loop counter limit of %li jumps", prog->filename, jumpcount); + } + break; + + case INSTR_CALL0: + case INSTR_CALL1: + case INSTR_CALL2: + case INSTR_CALL3: + case INSTR_CALL4: + case INSTR_CALL5: + case INSTR_CALL6: + case INSTR_CALL7: + case INSTR_CALL8: + prog->argc = st->opcode - INSTR_CALL0; + if (!OPA->function) + qcvmerror(prog, "NULL function in `%s`", prog->filename); + + if(!OPA->function || OPA->function >= (qcint_t)vec_size(prog->functions)) + { + qcvmerror(prog, "CALL outside the program in `%s`", prog->filename); + goto cleanup; + } + + newf = &prog->functions[OPA->function]; + newf->profile++; + + prog->statement = (st - prog->code) + 1; + + if (newf->entry < 0) + { + /* negative statements are built in functions */ + qcint_t builtinnumber = -newf->entry; + if (builtinnumber < (qcint_t)prog->builtins_count && prog->builtins[builtinnumber]) + prog->builtins[builtinnumber](prog); + else + qcvmerror(prog, "No such builtin #%i in %s! Try updating your gmqcc sources", + builtinnumber, prog->filename); + } + else + st = prog->code + prog_enterfunction(prog, newf) - 1; /* offset st++ */ + if (prog->vmerror) + goto cleanup; + break; + + case INSTR_STATE: + qcvmerror(prog, "`%s` tried to execute a STATE operation", prog->filename); + break; + + case INSTR_GOTO: + st += st->o1.s1 - 1; /* offset the s++ */ + if (++jumpcount == 10000000) + qcvmerror(prog, "`%s` hit the runaway loop counter limit of %li jumps", prog->filename, jumpcount); + break; + + case INSTR_AND: + OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) && + FLOAT_IS_TRUE_FOR_INT(OPB->_int); + break; + case INSTR_OR: + OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) || + FLOAT_IS_TRUE_FOR_INT(OPB->_int); + break; + + case INSTR_BITAND: + OPC->_float = ((int)OPA->_float) & ((int)OPB->_float); + break; + case INSTR_BITOR: + OPC->_float = ((int)OPA->_float) | ((int)OPB->_float); + break; + } +} + +#undef QCVM_PROFILE +#undef QCVM_TRACE +#endif /* !QCVM_LOOP */