674 lines
16 KiB
C
674 lines
16 KiB
C
#include <stdio.h>
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#include <setjmp.h>
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#include <assert.h>
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#include <string.h>
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#include "memfile.h"
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#include "sp_file.h"
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#include "amx.h"
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#include "amxdbg.h"
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#include "osdefs.h"
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#include "zlib/zlib.h"
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enum FileSections
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{
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FS_Code, /* required */
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FS_Data, /* required */
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FS_Publics,
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FS_Pubvars,
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FS_Natives,
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FS_Nametable, /* required */
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FS_DbgFile,
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FS_DbgSymbol,
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FS_DbgLine,
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FS_DbgTags,
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FS_DbgAutomaton,
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FS_DbgState,
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FS_DbgStrings,
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/* --- */
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FS_Number,
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};
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int pc_printf(const char *message,...);
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int pc_compile(int argc, char **argv);
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void sfwrite(const void *buf, size_t size, size_t count, sp_file_t *spf);
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memfile_t *bin_file = NULL;
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jmp_buf brkout;
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int main(int argc, char *argv[])
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{
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if (pc_compile(argc,argv) == 0)
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{
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AMX_HEADER *hdr;
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AMX_DBG_HDR *dbg = NULL;
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int err;
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uint32_t i;
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sp_file_t *spf;
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memfile_t *dbgtab = NULL;
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unsigned char *dbgptr = NULL;
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uint32_t sections[FS_Number] = {1,1,0,0,0,1,0,0,0,0,0,0};
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FILE *fp;
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if (bin_file == NULL)
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{
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return 0;
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}
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hdr = (AMX_HEADER *)bin_file->base;
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if ((spf=spfw_create(bin_file->name, NULL)) == NULL)
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{
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pc_printf("Error creating binary file!\n");
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memfile_destroy(bin_file);
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return 0;
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}
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if ((err=setjmp(brkout))!=0)
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{
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goto write_error;
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}
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spfw_add_section(spf, ".code");
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spfw_add_section(spf, ".data");
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sections[FS_Publics] = (hdr->natives - hdr->publics) / hdr->defsize;
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if (sections[FS_Publics])
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{
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spfw_add_section(spf, ".publics");
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}
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sections[FS_Pubvars] = (hdr->tags - hdr->pubvars) / hdr->defsize;
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if (sections[FS_Pubvars])
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{
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spfw_add_section(spf, ".pubvars");
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}
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sections[FS_Natives] = (hdr->libraries - hdr->natives) / hdr->defsize;
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if (sections[FS_Natives])
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{
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spfw_add_section(spf, ".natives");
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}
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spfw_add_section(spf, ".names");
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if (hdr->flags & AMX_FLAG_DEBUG)
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{
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dbg = (AMX_DBG_HDR *)((unsigned char *)hdr + hdr->size);
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if (dbg->magic != AMX_DBG_MAGIC)
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{
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pc_printf("Error reading AMX_DBG_HDR, debug data will not be written.");
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} else {
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dbgtab = memfile_creat("", 512);
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dbgptr = (unsigned char *)dbg + sizeof(AMX_DBG_HDR);
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if (dbg->files)
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{
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spfw_add_section(spf, ".dbg.files");
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sections[FS_DbgFile] = dbg->files;
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}
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if (dbg->lines)
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{
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spfw_add_section(spf, ".dbg.lines");
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sections[FS_DbgLine] = dbg->lines;
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}
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if (dbg->symbols)
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{
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spfw_add_section(spf, ".dbg.symbols");
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sections[FS_DbgSymbol] = dbg->symbols;
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}
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sections[FS_DbgStrings] = 1;
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spfw_add_section(spf, ".dbg.strings");
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}
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}
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spfw_finalize_header(spf);
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/**
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* Begin writing each of our known tables out
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*/
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if (sections[FS_Code])
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{
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sp_file_code_t cod;
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cell cip;
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unsigned char *cbase;
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uint8_t *tbase, *tptr;
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cell real_codesize;
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uint8_t op;
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cod.cellsize = sizeof(cell);
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cod.codesize = 0;
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cod.codeversion = hdr->amx_version;
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cod.flags = 0;
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if (hdr->flags & AMX_FLAG_DEBUG)
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{
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cod.flags |= SP_FILE_DEBUG;
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}
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cod.code = sizeof(cod);
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cod.main = hdr->cip;
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/* write the code in our newer format */
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cbase = (unsigned char *)hdr + hdr->cod;
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real_codesize = hdr->dat - hdr->cod;
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tbase = (uint8_t *)malloc(real_codesize);
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tptr = tbase;
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for (cip = 0; cip < real_codesize;)
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{
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#define DBGPARAM(v) ( (v)=*(cell *)(cbase+(int)cip), cip+=sizeof(cell) )
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op=(uint8_t) *(ucell *)(cbase+(int)cip);
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cip += sizeof(cell);
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*tptr++ = op;
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switch (op)
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{
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case OP_PUSH5_C: /* instructions with 5 parameters */
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case OP_PUSH5:
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case OP_PUSH5_S:
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case OP_PUSH5_ADR:
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{
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memcpy(tptr, cbase+(int)cip, sizeof(cell)*5);
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cip += sizeof(cell)*5;
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tptr += sizeof(cell)*5;
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break;
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}
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case OP_PUSH4_C: /* instructions with 4 parameters */
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case OP_PUSH4:
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case OP_PUSH4_S:
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case OP_PUSH4_ADR:
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{
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memcpy(tptr, cbase+(int)cip, sizeof(cell)*4);
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cip += sizeof(cell)*4;
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tptr += sizeof(cell)*4;
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break;
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}
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case OP_PUSH3_C: /* instructions with 3 parameters */
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case OP_PUSH3:
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case OP_PUSH3_S:
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case OP_PUSH3_ADR:
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{
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memcpy(tptr, cbase+(int)cip, sizeof(cell)*3);
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cip += sizeof(cell)*3;
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tptr += sizeof(cell)*3;
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break;
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}
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case OP_PUSH2_C: /* instructions with 2 parameters */
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case OP_PUSH2:
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case OP_PUSH2_S:
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case OP_PUSH2_ADR:
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case OP_LOAD_BOTH:
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case OP_LOAD_S_BOTH:
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case OP_CONST:
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case OP_CONST_S:
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case OP_SYSREQ_N:
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{
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memcpy(tptr, cbase+(int)cip, sizeof(cell)*2);
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cip += sizeof(cell)*2;
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tptr += sizeof(cell)*2;
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break;
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}
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case OP_LOAD_PRI: /* instructions with 1 parameter */
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case OP_LOAD_ALT:
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case OP_LOAD_S_PRI:
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case OP_LOAD_S_ALT:
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case OP_LREF_PRI:
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case OP_LREF_ALT:
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case OP_LREF_S_PRI:
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case OP_LREF_S_ALT:
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case OP_LODB_I:
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case OP_CONST_PRI:
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case OP_CONST_ALT:
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case OP_ADDR_PRI:
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case OP_ADDR_ALT:
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case OP_STOR_PRI:
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case OP_STOR_ALT:
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case OP_STOR_S_PRI:
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case OP_STOR_S_ALT:
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case OP_SREF_PRI:
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case OP_SREF_ALT:
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case OP_SREF_S_PRI:
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case OP_SREF_S_ALT:
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case OP_STRB_I:
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case OP_LIDX_B:
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case OP_IDXADDR_B:
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case OP_ALIGN_PRI:
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case OP_ALIGN_ALT:
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case OP_LCTRL:
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case OP_SCTRL:
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case OP_PUSH_R:
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case OP_PUSH_C:
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case OP_PUSH:
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case OP_PUSH_S:
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case OP_STACK:
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case OP_HEAP:
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case OP_JREL:
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case OP_SHL_C_PRI:
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case OP_SHL_C_ALT:
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case OP_SHR_C_PRI:
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case OP_SHR_C_ALT:
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case OP_ADD_C:
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case OP_SMUL_C:
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case OP_ZERO:
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case OP_ZERO_S:
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case OP_EQ_C_PRI:
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case OP_EQ_C_ALT:
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case OP_INC:
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case OP_INC_S:
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case OP_DEC:
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case OP_DEC_S:
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case OP_MOVS:
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case OP_CMPS:
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case OP_FILL:
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case OP_HALT:
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case OP_BOUNDS:
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case OP_PUSH_ADR:
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case OP_CALL: /* opcodes that need relocation */
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case OP_JUMP:
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case OP_JZER:
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case OP_JNZ:
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case OP_JEQ:
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case OP_JNEQ:
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case OP_JLESS:
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case OP_JLEQ:
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case OP_JGRTR:
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case OP_JGEQ:
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case OP_JSLESS:
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case OP_JSLEQ:
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case OP_JSGRTR:
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case OP_JSGEQ:
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case OP_SWITCH:
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case OP_SYSREQ_C:
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{
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*(cell *)tptr = *(cell *)(cbase + (int)cip);
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cip += sizeof(cell);
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tptr += sizeof(cell);
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break;
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}
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case OP_LOAD_I: /* instructions without parameters */
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case OP_STOR_I:
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case OP_LIDX:
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case OP_IDXADDR:
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case OP_MOVE_PRI:
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case OP_MOVE_ALT:
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case OP_XCHG:
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case OP_PUSH_PRI:
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case OP_PUSH_ALT:
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case OP_POP_PRI:
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case OP_POP_ALT:
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case OP_PROC:
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case OP_RET:
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case OP_RETN:
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case OP_CALL_PRI:
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case OP_SHL:
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case OP_SHR:
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case OP_SSHR:
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case OP_SMUL:
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case OP_SDIV:
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case OP_SDIV_ALT:
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case OP_UMUL:
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case OP_UDIV:
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case OP_UDIV_ALT:
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case OP_ADD:
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case OP_SUB:
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case OP_SUB_ALT:
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case OP_AND:
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case OP_OR:
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case OP_XOR:
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case OP_NOT:
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case OP_NEG:
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case OP_INVERT:
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case OP_ZERO_PRI:
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case OP_ZERO_ALT:
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case OP_SIGN_PRI:
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case OP_SIGN_ALT:
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case OP_EQ:
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case OP_NEQ:
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case OP_LESS:
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case OP_LEQ:
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case OP_GRTR:
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case OP_GEQ:
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case OP_SLESS:
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case OP_SLEQ:
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case OP_SGRTR:
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case OP_SGEQ:
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case OP_INC_PRI:
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case OP_INC_ALT:
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case OP_INC_I:
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case OP_DEC_PRI:
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case OP_DEC_ALT:
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case OP_DEC_I:
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case OP_SYSREQ_PRI:
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case OP_JUMP_PRI:
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case OP_SWAP_PRI:
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case OP_SWAP_ALT:
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case OP_NOP:
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case OP_BREAK:
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break;
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case OP_CASETBL:
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{
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cell num;
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DBGPARAM(*(cell *)tptr);
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num = *(cell *)tptr;
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tptr += sizeof(cell);
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memcpy(tptr, cbase+(int)cip, (2*num+1)*sizeof(cell));
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tptr += (2*num+1) * sizeof(cell);
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cip += (2*num+1) * sizeof(cell);
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break;
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}
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default:
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{
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assert(0);
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}
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#undef DBGPARAM
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}
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}
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cod.codesize = (uint32_t)(tptr - tbase);
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sfwrite(&cod, sizeof(cod), 1, spf);
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sfwrite(tbase, cod.codesize, 1, spf);
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free(tbase);
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spfw_next_section(spf);
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}
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if (sections[FS_Data])
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{
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sp_file_data_t dat;
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unsigned char *dbase = (unsigned char *)hdr + hdr->dat;
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dat.datasize = hdr->hea - hdr->dat;
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dat.memsize = hdr->stp;
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dat.data = sizeof(dat);
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/* write header */
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sfwrite(&dat, sizeof(dat), 1, spf);
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if (dat.datasize)
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{
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/* write data */
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sfwrite(dbase, dat.datasize, 1, spf);
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}
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spfw_next_section(spf);
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}
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if (sections[FS_Publics])
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{
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sp_file_publics_t *pbtbl;
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AMX_FUNCSTUBNT *stub;
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uint32_t publics = sections[FS_Publics];
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pbtbl = (sp_file_publics_t *)malloc(sizeof(sp_file_publics_t) * publics);
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stub = (AMX_FUNCSTUBNT *)((unsigned char *)hdr + hdr->publics);
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for (i=0; i<publics; i++)
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{
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pbtbl[i].address = stub->address;
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pbtbl[i].name = stub->nameofs - (hdr->nametable + sizeof(uint16_t));
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stub += hdr->defsize;
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}
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if (publics)
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{
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sfwrite(pbtbl, sizeof(sp_file_publics_t), publics, spf);
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}
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free(pbtbl);
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spfw_next_section(spf);
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}
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if (sections[FS_Pubvars])
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{
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sp_file_pubvars_t *pbvars;
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AMX_FUNCSTUBNT *stub;
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uint32_t pubvars = sections[FS_Pubvars];
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pbvars = (sp_file_pubvars_t *)malloc(sizeof(sp_file_pubvars_t) * pubvars);
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stub = (AMX_FUNCSTUBNT *)((unsigned char *)hdr + hdr->pubvars);
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for (i=0; i<pubvars; i++)
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{
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pbvars[i].address = stub->address;
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pbvars[i].name = stub->nameofs - (hdr->nametable + sizeof(uint16_t));
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stub += hdr->defsize;
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}
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if (pubvars)
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{
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sfwrite(pbvars, sizeof(sp_file_pubvars_t), pubvars, spf);
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}
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free(pbvars);
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spfw_next_section(spf);
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}
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if (sections[FS_Natives])
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{
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sp_file_natives_t *nvtbl;
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AMX_FUNCSTUBNT *stub;
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uint32_t natives = (hdr->libraries - hdr->natives) / hdr->defsize;
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nvtbl = (sp_file_natives_t *)malloc(sizeof(sp_file_natives_t) * natives);
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stub = (AMX_FUNCSTUBNT *)((unsigned char *)hdr + hdr->natives);
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for (i=0; i<natives; i++)
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{
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nvtbl[i].name = stub->nameofs - (hdr->nametable + sizeof(uint16_t));
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stub += hdr->defsize;
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}
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if (natives)
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{
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sfwrite(nvtbl, sizeof(sp_file_natives_t), natives, spf);
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}
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free(nvtbl);
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spfw_next_section(spf);
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}
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if (sections[FS_Nametable])
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{
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unsigned char *base;
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uint32_t namelen;
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/* write the entire block */
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base = (unsigned char *)hdr + hdr->nametable + sizeof(uint16_t);
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/**
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* note - the name table will be padded to sizeof(cell) bytes.
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* this may clip at most an extra three bytes in!
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*/
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namelen = hdr->cod - hdr->nametable;
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sfwrite(base, namelen, 1, spf);
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spfw_next_section(spf);
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}
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if (hdr->flags & AMX_FLAG_DEBUG)
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{
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if (sections[FS_DbgFile])
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{
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uint32_t idx;
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sp_fdbg_file_t dbgfile;
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AMX_DBG_FILE *_ptr;
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uint32_t len;
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for (idx=0; idx<sections[FS_DbgFile]; idx++)
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{
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/* get entry info */
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_ptr = (AMX_DBG_FILE *)dbgptr;
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len = strlen(_ptr->name);
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/* store */
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dbgfile.addr = _ptr->address;
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dbgfile.name = (uint32_t)memfile_tell(dbgtab);
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sfwrite(&dbgfile, sizeof(sp_fdbg_file_t), 1, spf);
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/* write to tab, then move to next */
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memfile_write(dbgtab, _ptr->name, len + 1);
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dbgptr += sizeof(AMX_DBG_FILE) + len;
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}
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spfw_next_section(spf);
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}
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if (sections[FS_DbgLine])
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{
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uint32_t idx;
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AMX_DBG_LINE *line;
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sp_fdbg_line_t dbgline;
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for (idx=0; idx<sections[FS_DbgLine]; idx++)
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{
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/* get entry info */
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line = (AMX_DBG_LINE *)dbgptr;
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/* store */
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dbgline.addr = (uint32_t)line->address;
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dbgline.line = (uint32_t)line->line;
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sfwrite(&dbgline, sizeof(sp_fdbg_line_t), 1, spf);
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/* move to next */
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dbgptr += sizeof(AMX_DBG_LINE);
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}
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spfw_next_section(spf);
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}
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if (sections[FS_DbgSymbol])
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{
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uint32_t idx;
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uint32_t dnum;
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AMX_DBG_SYMBOL *sym;
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AMX_DBG_SYMDIM *dim;
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sp_fdbg_symbol_t dbgsym;
|
|
sp_fdbg_arraydim_t dbgdim;
|
|
uint32_t len;
|
|
|
|
for (idx=0; idx<sections[FS_DbgSymbol]; idx++)
|
|
{
|
|
/* get entry info */
|
|
sym = (AMX_DBG_SYMBOL *)dbgptr;
|
|
/* store */
|
|
dbgsym.addr = *(int32_t *)&sym->address;
|
|
dbgsym.tagid = sym->tag;
|
|
dbgsym.codestart = (uint32_t)sym->codestart;
|
|
dbgsym.codeend = (uint32_t)sym->codeend;
|
|
dbgsym.dimcount = (uint16_t)sym->dim;
|
|
dbgsym.vclass = (uint8_t)sym->vclass;
|
|
dbgsym.ident = (uint8_t)sym->ident;
|
|
dbgsym.name = (uint32_t)memfile_tell(dbgtab);
|
|
sfwrite(&dbgsym, sizeof(sp_fdbg_symbol_t), 1, spf);
|
|
/* write to tab */
|
|
len = strlen(sym->name);
|
|
memfile_write(dbgtab, sym->name, len + 1);
|
|
/* move to next */
|
|
dbgptr += sizeof(AMX_DBG_SYMBOL) + len;
|
|
/* look for any dimensions */
|
|
for (dnum=0; dnum<dbgsym.dimcount; dnum++)
|
|
{
|
|
/* get entry info */
|
|
dim = (AMX_DBG_SYMDIM *)dbgptr;
|
|
/* store */
|
|
dbgdim.size = (uint32_t)dim->size;
|
|
dbgdim.tagid = dim->tag;
|
|
sfwrite(&dbgdim, sizeof(sp_fdbg_arraydim_t), 1, spf);
|
|
/* move to next */
|
|
dbgptr += sizeof(AMX_DBG_SYMDIM);
|
|
}
|
|
}
|
|
spfw_next_section(spf);
|
|
}
|
|
|
|
if (sections[FS_DbgStrings])
|
|
{
|
|
sfwrite(dbgtab->base, sizeof(char), dbgtab->usedoffs, spf);
|
|
spfw_next_section(spf);
|
|
}
|
|
}
|
|
|
|
spfw_finalize_all(spf);
|
|
|
|
/**
|
|
* do compression
|
|
* new block for scoping only
|
|
*/
|
|
if (1)
|
|
{
|
|
memfile_t *pOrig = (memfile_t *)spf->handle;
|
|
sp_file_hdr_t *pHdr;
|
|
unsigned char *proper;
|
|
size_t size;
|
|
Bytef *zcmp;
|
|
uLong disksize;
|
|
size_t header_size;
|
|
int err = Z_OK;
|
|
|
|
/* reuse this memory block! */
|
|
memfile_reset(bin_file);
|
|
|
|
/* copy tip of header */
|
|
memfile_write(bin_file, pOrig->base, sizeof(sp_file_hdr_t));
|
|
|
|
/* get pointer to header */
|
|
pHdr = (sp_file_hdr_t *)bin_file->base;
|
|
|
|
/* copy the rest of the header */
|
|
memfile_write(bin_file,
|
|
(unsigned char *)pOrig->base + sizeof(sp_file_hdr_t),
|
|
pHdr->dataoffs - sizeof(sp_file_hdr_t));
|
|
|
|
header_size = pHdr->dataoffs;
|
|
size = pHdr->imagesize - header_size;
|
|
proper = (unsigned char *)pOrig->base + header_size;
|
|
|
|
/* get initial size estimate */
|
|
pHdr->disksize = (uint32_t)compressBound(pHdr->imagesize);
|
|
zcmp = (Bytef *)malloc(pHdr->disksize);
|
|
|
|
if ((err=compress2(zcmp,
|
|
&disksize,
|
|
(Bytef *)proper,
|
|
(uLong)size,
|
|
Z_BEST_COMPRESSION))
|
|
!= Z_OK)
|
|
{
|
|
free(zcmp);
|
|
pc_printf("Unable to compress (Z): error %d", err);
|
|
pc_printf("Falling back to no compression.");
|
|
memfile_write(bin_file,
|
|
proper,
|
|
size);
|
|
} else {
|
|
pHdr->disksize = (uint32_t)disksize + header_size;
|
|
pHdr->compression = SPFILE_COMPRESSION_GZ;
|
|
memfile_write(bin_file,
|
|
(unsigned char *)zcmp,
|
|
disksize);
|
|
free(zcmp);
|
|
}
|
|
}
|
|
|
|
spfw_destroy(spf);
|
|
memfile_destroy(dbgtab);
|
|
|
|
/**
|
|
* write file
|
|
*/
|
|
if ((fp=fopen(bin_file->name, "wb")) != NULL)
|
|
{
|
|
fwrite(bin_file->base, bin_file->usedoffs, 1, fp);
|
|
fclose(fp);
|
|
} else {
|
|
pc_printf("Unable to open %s for writing!", bin_file->name);
|
|
}
|
|
|
|
memfile_destroy(bin_file);
|
|
|
|
return 0;
|
|
|
|
write_error:
|
|
pc_printf("Error writing to file: %s", bin_file->name);
|
|
|
|
spfw_destroy(spf);
|
|
unlink(bin_file->name);
|
|
memfile_destroy(bin_file);
|
|
memfile_destroy(dbgtab);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
void sfwrite(const void *buf, size_t size, size_t count, sp_file_t *spf)
|
|
{
|
|
if (spf->funcs.fnWrite(buf, size, count, spf->handle) != count)
|
|
{
|
|
longjmp(brkout, 1);
|
|
}
|
|
}
|