158 lines
4.6 KiB
C
158 lines
4.6 KiB
C
/*
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* Copyright (C)2015-2016 Haxe Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <hl.h>
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#include <hlmodule.h>
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struct _hl_socket;
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typedef struct _hl_socket hl_socket;
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HL_API void hl_socket_init();
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HL_API hl_socket *hl_socket_new( bool udp );
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HL_API bool hl_socket_bind( hl_socket *s, int host, int port );
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HL_API bool hl_socket_listen( hl_socket *s, int n );
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HL_API void hl_socket_close( hl_socket *s );
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HL_API hl_socket *hl_socket_accept( hl_socket *s );
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HL_API int hl_socket_send( hl_socket *s, vbyte *buf, int pos, int len );
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HL_API int hl_socket_recv( hl_socket *s, vbyte *buf, int pos, int len );
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HL_API void hl_sys_sleep( double t );
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HL_API int hl_sys_getpid();
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HL_API int hl_closure_stack_capture;
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static hl_socket *debug_socket = NULL;
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static hl_socket *client_socket = NULL;
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static bool debugger_connected = false;
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static bool debugger_stopped = false;
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#define send hl_send_data
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static void send( void *ptr, int size ) {
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hl_socket_send(client_socket, ptr, 0, size);
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}
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static void hl_debug_loop( hl_module *m ) {
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void *inf_addr = hl_gc_threads_info();
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int flags = 0;
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int hl_ver = HL_VERSION;
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bool loop = false;
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int pid = hl_sys_getpid();
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# ifdef HL_64
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flags |= 1;
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# endif
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if( sizeof(bool) == 4 ) flags |= 2;
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# ifdef HL_THREADS
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flags |= 4;
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loop = true;
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# endif
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# ifdef HL_WIN_CALL
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flags |= 8;
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# endif
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hl_get_thread()->flags |= HL_THREAD_INVISIBLE;
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do {
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int i;
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vbyte cmd;
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hl_socket *s = hl_socket_accept(debug_socket);
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if( s == NULL ) break;
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client_socket = s;
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send("HLD1",4);
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send(&flags,4);
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send(&hl_ver, 4);
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send(&pid,4);
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send(&inf_addr, sizeof(void*));
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send(&m->globals_data,sizeof(void*));
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send(&m->jit_code,sizeof(void*));
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send(&m->codesize,4);
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send(&m->code->types,sizeof(void*));
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for(i=1;i<=HBYTES;i++) {
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hl_type t = {(hl_type_kind)i};
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int k = 1 + hl_pad_struct(1,&t);
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send(&k,4);
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}
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send(&m->code->nfunctions,4);
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for(i=0;i<m->code->nfunctions;i++) {
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hl_function *f = m->code->functions + i;
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hl_debug_infos *d = m->jit_debug + i;
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struct {
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int nops;
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int start;
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unsigned char large;
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} fdata;
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fdata.nops = f->nops;
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fdata.start = d->start;
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fdata.large = (unsigned char)d->large;
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send(&fdata,9);
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send(d->offsets,(d->large ? sizeof(int) : sizeof(unsigned short)) * (f->nops + 1));
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}
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hl_closure_stack_capture = 8;
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// wait answer
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// for some reason, this is not working on windows (recv returns 0 ?)
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hl_socket_recv(s,&cmd,0,1);
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hl_socket_close(s);
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debugger_connected = true;
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client_socket = NULL;
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} while( loop );
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debugger_stopped = true;
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}
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h_bool hl_module_debug( hl_module *m, int port, h_bool wait ) {
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hl_socket *s;
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hl_socket_init();
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s = hl_socket_new(false);
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if( s == NULL ) return false;
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if( !hl_socket_bind(s,0x0100007F/*127.0.0.1*/,port) || !hl_socket_listen(s, 10) ) {
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hl_socket_close(s);
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return false;
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}
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debug_socket = s;
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# ifdef HL_THREADS
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hl_add_root(&debug_socket);
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hl_add_root(&client_socket);
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if( !hl_thread_start(hl_debug_loop, m, true) ) {
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hl_socket_close(s);
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return false;
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}
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if( wait ) {
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while( !debugger_connected )
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hl_sys_sleep(0.01);
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}
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# else
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// imply --debug-wait
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hl_debug_loop(m);
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hl_socket_close(debug_socket);
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debug_socket = NULL;
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# endif
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return true;
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}
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void hl_module_debug_stop() {
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if( !debug_socket ) return;
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# ifdef HL_THREADS
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hl_socket_close(debug_socket);
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while( !debugger_stopped )
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hl_sys_sleep(0.01);
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hl_remove_root(&debug_socket);
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hl_remove_root(&client_socket);
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# endif
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}
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