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- #define ATT
- #define AV
- #define UNIX
- #define SFASL
-
- #define MAXPAGE 16384
- #define VSSIZE 8152
-
- #define MEM_SAVE_LOCALS \
- struct filehdr fileheader;\
- struct exec header;\
- struct scnhdr sectionheader;\
- int diff
-
-
- #define COPY_TO_SAVE \
- do{for (;;) { \
- n = getc(original); \
- if (feof(original)) \
- break; \
- putc(n, save); \
- }}while (0)
-
- #define READ_HEADER \
- do{ fread(&fileheader, sizeof(fileheader), 1, original); \
- fread(&header, sizeof(header), 1, original); \
- data_begin = (char *)header.data_start; \
- data_end = core_end; \
- original_data = header.a_data; \
- header.a_data = data_end - data_begin; \
- diff = header.a_data - original_data; \
- header.a_bss = sbrk(0) - core_end; \
- fileheader.f_symptr += diff; \
- fwrite(&fileheader, sizeof(fileheader), 1, save);\
- fwrite(&header, sizeof(header), 1, save); \
- fread(§ionheader, sizeof(sectionheader), 1, original); \
- if (sectionheader.s_lnnoptr) \
- sectionheader.s_lnnoptr += diff; \
- fwrite(§ionheader, sizeof(sectionheader), 1, save); \
- fread(§ionheader, sizeof(sectionheader), 1, original); \
- sectionheader.s_size += diff; \
- if (sectionheader.s_lnnoptr) \
- sectionheader.s_lnnoptr += diff; \
- fwrite(§ionheader, sizeof(sectionheader), 1, save); \
- fread(§ionheader, sizeof(sectionheader), 1, original); \
- sectionheader.s_paddr += diff; \
- sectionheader.s_vaddr += diff; \
- sectionheader.s_size = header.a_bss; \
- if (sectionheader.s_lnnoptr) \
- sectionheader.s_lnnoptr += diff; \
- fwrite(§ionheader, sizeof(sectionheader), 1, save); \
- for (n = 4; n <= fileheader.f_nscns; n++) { \
- fread(§ionheader, sizeof(sectionheader), 1, original); \
- if (sectionheader.s_scnptr) \
- sectionheader.s_scnptr += diff; \
- if (sectionheader.s_lnnoptr) \
- sectionheader.s_lnnoptr += diff; \
- fwrite(§ionheader, sizeof(sectionheader), 1, save); \
- }}while(0)
-
- #define FILECPY_HEADER filecpy(save, original, header.a_text)
-
-
- #define exec aouthdr
- #define a_text tsize
- #define a_data dsize
- #define a_bss bsize
-
- /* Include <fcntl.h> rather than <sys/file.h> */
-
- #define HAVE_FCNTL
-
- #define NUMBER_OPEN_FILES _NFILE
-
- #define SET_REAL_MAXPAGE real_maxpage = MAXPAGE
-
- #define INIT_ALLOC \
- heap_end = sbrk(0); \
- if (i = ((int)heap_end & (PAGESIZE - 1))) \
- sbrk(PAGESIZE - i); \
- heap_end = core_end = sbrk(0);
-
-
- #define IF_ALLOCATE_ERR \
- if (core_end != sbrk(0)) \
- error("Someone allocated my memory!"); \
- if (core_end != sbrk(PAGESIZE*(n - m)))
-
-
- #define cs_check(x)
-
- /* need to define getwd and friends in unixfsys.c
- Basically as would need to in ATT*/
-
- #define NEED_GETWD
-
- /* if there is no input there return false */
- #define LISTEN_FOR_INPUT(fp) \
- if((fp)->_cnt <=0 && (c=0,ioctl((fp)->_file, FIONREAD, &c),c<=0)) \
- return 0
-
- /* have sys/ioctl.h */
- #define HAVE_IOCTL
-
-