d2cee081ac
fixed some more minor sm things --HG-- branch : dvander extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/branches/dvander%4018
390 lines
8.8 KiB
C
390 lines
8.8 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 "osdefs.h"
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#define NUM_SECTIONS 6
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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, FILE *fp);
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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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FILE *fp;
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AMX_HEADER *hdr;
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sp_file_hdr_t shdr;
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uint32_t curoffs = 0;
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uint32_t lastsection = 0;
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int err;
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uint8_t i8;
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uint32_t i;
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const char *tables[NUM_SECTIONS] = {".code", ".data", ".publics", ".pubvars", ".natives", ".names"};
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uint32_t offsets[NUM_SECTIONS] = {0,0,0,0,0,0};
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sp_file_section_t sh;
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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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shdr.version = SPFILE_VERSION;
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shdr.magic = SPFILE_MAGIC;
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if ((fp=fopen(bin_file->name, "wb")) == NULL)
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{
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pc_printf("Error writing to file: %s", bin_file->name);
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return 1;
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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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shdr.sections = NUM_SECTIONS;
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shdr.stringtab = sizeof(shdr) + (sizeof(sp_file_section_t) * shdr.sections);
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/**
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* write the header
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* unwritten values:
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* imagesize
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*/
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sfwrite(&shdr, sizeof(shdr), 1, fp);
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curoffs = shdr.stringtab;
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/**
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* write the sections
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* unwritten values:
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* dataoffs
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* size
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*/
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for (i8=0; i8<shdr.sections; i8++)
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{
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/* set name offset to next in string table */
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sh.nameoffs = curoffs - shdr.stringtab;
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/* save offset to this section */
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offsets[i8] = (uint32_t)ftell(fp) + sizeof(sh.nameoffs);
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/* update `end of file` offset */
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curoffs += strlen(tables[i8]) + 1;
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sfwrite(&sh, sizeof(sh), 1, fp);
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}
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/** write the string table */
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for (i8=0; i8<shdr.sections; i8++)
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{
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sfwrite(tables[i8], 1, strlen(tables[i8])+1, fp);
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}
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lastsection = curoffs;
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/** write the code table */
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if (strcmp(tables[0], ".code") == 0)
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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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/* 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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int i;
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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, fp);
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sfwrite(tbase, cod.codesize, 1, fp);
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free(tbase);
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/* backtrack and write this section's header info */
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curoffs = (uint32_t)ftell(fp);
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fseek(fp, offsets[0], SEEK_SET);
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sfwrite(&lastsection, sizeof(lastsection), 1, fp);
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cod.codesize += sizeof(cod);
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sfwrite(&cod.codesize, sizeof(cod.codesize), 1, fp);
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fseek(fp, curoffs, SEEK_SET);
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lastsection = curoffs;
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}
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if (strcmp(tables[1], ".data") == 0)
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{
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sp_file_data_t dat;
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unsigned char *dbase;
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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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dbase = (unsigned char *)hdr + hdr->dat;
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sfwrite(&dat, sizeof(dat), 1, fp);
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if (dat.datasize)
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{
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sfwrite(dbase, dat.datasize, 1, fp);
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}
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/* backtrack and write this section's header info */
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curoffs = ftell(fp);
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fseek(fp, offsets[1], SEEK_SET);
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sfwrite(&lastsection, sizeof(lastsection), 1, fp);
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dat.datasize += sizeof(dat);
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sfwrite(&dat.datasize, sizeof(dat.datasize),1, fp);
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fseek(fp, curoffs, SEEK_SET);
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lastsection = curoffs;
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}
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fclose(fp);
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return 0;
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write_error:
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pc_printf("Error writing to file: %s", bin_file->name);
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unlink(bin_file->name);
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fclose(fp);
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return 1;
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}
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return 1;
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}
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void sfwrite(const void *buf, size_t size, size_t count, FILE *fp)
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{
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if (fwrite(buf, size, count, fp) != count)
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{
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longjmp(brkout, 1);
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}
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}
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