Lattice AmigaDOS C 5.04 Patch Disk This patch disk is designed to be installed to version 5.02 of the Lattice AmigaDOS C Compiler. If you have not installed the 5.02 patch, you must do so before installing this patch. Invoke phase 1 (LC1) directly to determine the version of the compiler you are working with. Due to known problems with the ARP (Amiga Replacement Project) version of the Execute command, you should use the AmigaDOS commands to install this patch. To install the patch on a set of 5.02 master disks, type execute install_floppy To install the patch on a hard disk with 5.02 installed according to the Lattice install procedures, type execute install_hd With other configurations you will have to check one of the install scripts and install the patches by hand. After installing this patch with install_floppy, this readme.504 file can be found on Volume 5 of the Lattice Compiler disk set. Changes to the Compiler ----------------------- New Features/Enhancements: Equivalent structures can be passed silently with the "-cq" switch. (i.e., Passing an IOStdReq to DoIO). More than 32K of code may be generated for a single source module. Code quality for switch statements has been greatly improved. __interrupt now performs a TST.L D0 on immediately before an RTS instruction. Additional support for #pragma calls overlapping register variables An improved macro processor with significantly expanded limits Support for the UNIX form of offsetof which casts NULL to the structure pointer and takes the address of the member. Expansion of the identifier length limit to 100 (to support C++) Additional Preprocessor symbols: LATTICE_54 - Identifies this version __VERSION__ - A numeric value 5 indicating the major version __REVISION__ - A numeric value 4 indicating the minor revision level The last two will be updated for all future releases Final support for the "-ml" flag to use when generating libraries Major Fixes: ------------ "volatile" should work in all cases. Unterminated quoted strings and \n's appearing outside of a quoted string no longer crash the compiler. Several CXERR: 26's associated with Auto-increment addressing mode have been fixed. Several CXERR: 22's associated with __chip and redefinition of external symbols have been eliminated. Many problems associated with inline library calls have been corrected, especially in the area of passing register variables. All known 68881 code generation problems have been corrected. 68020 Addressing mode now generates significantly improved code. Several problems associated with invalid relocations have been corrected. Addressing an array element with a compile time constant greater than 32K from the base is now accepted. __regargs may now be specified for function pointers. Several CXERR: 25 when using "-f8 -m2" have been corrected. Macros substituting the 9th parameter as the last piece of a substitution no longer fail. Some incorrect error messages with builtin library calls have been improved. Several CXERR: 124's with "-f8" have been corrected. Using the incorrect register in obscure cases has been fixed. This occurred with a simple set of assignments to swap two variables. Using unions in prototypes with precompiled header files now works. Libcall functions now preserve A5 correctly. Several minor FFP problems have been fixed. Can now handle empty source files. No longer loses debugging information for aliased variables. Changes to CodePRobe -------------------- Fixed the problem where CPR only used 1/4 of the specified stack size. Problems related to static functions, including setting break points and displaying data, have been fixed. Keyboard input is now sent to the Dialog Window if the current window does not normally accept keyboard input. Special function keys do not get passed to the Dialog Window. Symbol names are now displayed instead of addresses when in assembler mode. Symbol names are displayed as absolute addresses and offsets from A4 when appropriate. Both PC relative and absolute JSR's and BSR's show labels when possible. Branches to ALV's do not currently show up as labels. The effective address of any branch or reference off of A4 will be shown as a comment after the assembler instruction. A number of optimizations have been made to reduce the size of the debugger and to speed up some parts of its operation. The "Find Address" item of the File Menu (Asm Mode only) will now accept a symbolic name as well as a hexadecimal constant. The "Display Default" item of the Options menu has been changed to "Radix Default". This option now affects the radix of any numeric input (except line numbers) as well as displayed output. The set commmand has been modified to reflect this change. A new command "symbol" has been added to allow the user to find the nearest symbolic name less than a specified constant address. The syntax is as follows: > symbol 0x123456 main+0x123 (163) The output indicates that the address is 163 bytes past the beginning of the function main. symbol will work for functions and external or static data. The initialization process has been changed. CPR now opens its screen before loading the application. The report on the number of modules, externals, and functions, now appears inside of the Dialog Window instead of in the invoking CLI window. The debugger no longer displays dis-assembled code when it first comes up. CPR no longer loses track of the current display area when changing between assembler and source display modes. CPR now allows the viewing of C source when the program has stopped at a location without source while in source mode. Chip data now displays correctly. The "list $" command and -- key combination will now take you back to the current execution point in asm mode as well as C mode. A number of disassembly problems have been fixed including FMOVE, FMOVEM, and FMOVECR. Changes to OMD -------------- Fixed disassembly problems with the FMOVE, FMOVEM, and FMOVECR instructions. Changes to LSE -------------- LSE will now save all macros instead of just the first one. Block Read now works every time. When compiling from LSE, the compiler is now fed the source line by line instead of from RAM: Changes to BLINK ---------------- Fixed overlay support. Now supports debugger chip hunk. Blink will no longer look through libraries after all references have been resolved. Blink no longer generates any 0 length code hunks. Blink now allows for generation of resident libraries (see blink.readme) Verbose mode has been fixed so that the last missing symbol message does not get overwritten. Changes to LC ------------- Now works when a .C extension is specified. LC no longer calls Blink when a non-existent file is specified with the "-L" option. A "-C" option has been added to allow an abort without prompting when an error occurs while compiling multiple source files. The "-R" option has been fixed. Changes to LMK -------------- Now handles a.o dependencies properly. LMK no longer forces a 15K stack size (the default). Changes to ASM -------------- Fixed bug where a conditional assembly always caused the code to be assembled. Fixed problems with the FMOVE operation. Changes to the Libraries ------------------------ strbpl() now works for max pointers. dfind()/dnext()/getfnl() will no longer convert filenames to lowercase. Fixed memory allocation bug in dfind(). dfind() no longer bombs when using default SYS: when no cd has occurred. chdir() will now give an error when attempting to cd to a non-directory. getfa() now checks that malloc() succeeds. getcwd() now works with registerized parameters. stcl_d() now returns correct a value with registerized parameters. Fixed "-r" and "-w" problems for stubs in scrollraster.a, setrgb4cm.a, bbmrport.a, bltbitmap.a, bltpattern.a, modifyprop.a, blttemplate.a, bmbmrport.a, buildsysrequest.a, clipblit.a, createbehindlayer.a, and createupfrontlayer.a. perror() now works. newlist() now included in the libraries. time() now has correct getclk prototype for registerized parameters. chgclk() now calls DeleteExtIO() properly. memccpy() now works properly. memchr() now works properly. movmem() now works properly. Fixed printf() precision bug. Includes floating point fixes and enhancements. Fixed "%g" format. read() and write() now return ints. rlsml() now properly releases memory chunks. strcpy() now works with registerized parameters. poserr() now works. strtol() is now ANSI compatible and checks for overflows. strtoul() is now supported. vprintf(), vfprintf(), and vsprintf() have been added. memcmp() no longer tests too far for registerized parameters. waitm() now works properly when more than one child terminates before it is called. signal() now returns void *(). strstr() has been added. _sfmt() now fully supports the h size for *scanf() functions. chkabort() will no longer cause problems when it calls _exit(). *** chkabort() now conforms to the documentation and does not *** return a value. Do not expect one. Changes to Sources ------------------ cback.a now calls __fpinit before calling _main() under CLI. cres.a has been fixed. Changes to Includes ------------------- stdlib.h no longer has a prototype for main(). m68881.h has defines fixed for log() and exp(). ios1.h - UFB_NC has been changed to 0x10 to avoid a conflict with UFB_NDELAY for UNIX. signal.h - modified the prototype for signal() to conform to the ANSI Draft specification. proto/icon.h - Fixed the prototype for AllocWBObject(). workbench/icon.h - Fixed the prototype for AddFreeList(). string.h, etc. - changed from char * to void * for all mem* functions Changes to LPROF and LSTAT -------------------------- Now allows the sampling rate to be user specified down to 1 millisecond. Now handles chip hunks. Changes to OML -------------- Module names are no longer case sensitive. Extracted modules will now have .o filename extensions. Changes to DIFF --------------- Now ignores any leading white space when using the -w option.