forked from KolibriOS/kolibrios
420 lines
13 KiB
Plaintext
420 lines
13 KiB
Plaintext
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Visit http://flatassembler.net/ for more information.
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version 1.67.35 (Mar 09, 2009)
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[-] Some internal code size reductions.
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[-] Discontinued "-d" switch implementation.
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version 1.67.34 (Feb 22, 2009)
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[-] Fixed small bug with DT directive far pointer syntax.
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version 1.67.33 (Feb 20, 2009)
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[+] Added ERR directive that allows to signalize error from the source.
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version 1.67.32 (Feb 13, 2009)
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[+] Allowed single quote character to be put inside the number value,
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to help improve long numbers readability.
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version 1.67.31 (Feb 11, 2009)
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[-] Fixed floating point converter to no longer generate NaN in some cases,
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and corrected denormal numbers generation.
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version 1.67.30 (Feb 08, 2009)
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[+] Added missing Intel SSE4 instructions.
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[+] Added SSE4a (EXTRQ/INSERTQ/MOVNTSD/MOVNTSS) instructions.
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[+] Added FSTENVW/FSTENVD/FSAVEW/FSAVED mnemonics.
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version 1.67.29 (Nov 15, 2008)
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[+] Added optional symbolic information output, and a set of tools that extract
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various kinds of information from it.
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[+] Allowed RVA operator to be used in COFF object format.
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[-] Corrected the FIX directive to allow names of preprocessor's directives to be
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used as prioritized symbolic constant name.
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version 1.67.28 (Nov 06, 2008)
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[+] Added EFI/EFIBOOT/EFIRUNTIME subsystem keywords for PE format (experimental
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feature, still needs to be tested).
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[-] Fixed a bug in preprocessor which caused some problems with DISPLAY directive
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output in some cases.
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[-] Fixed a bug that allowed to define a symbol named "eip" or "rip".
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[-] Fixed a problem with assembling MOVQ RAX,XMM0 instruction.
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version 1.67.27 (Jul 12, 2008)
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[-] Fixed a bug which caused instructions from JCXZ/LOOP family to be incorrectly
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assembled when requiring 67h prefix and provided with "$" operand.
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[-] Definition of macro with the same name as one of the preprocessor's directives
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is no longer allowed.
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[-] Fixed REPT directive to check out validity of its parameters even when the
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count is zero.
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[-] Fixed VMREAD/VMWRITE syntax in the USE64 mode.
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[-] Corrected MZ header generation and handling for the case when the last page of
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executable contains the round 512 bytes.
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version 1.67.26 (Jan 27, 2008)
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[+] Added partial SSE4 support (a couple of instructions left to be implemented
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in the next releases)
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[+] Added GETSEC instruction for the SMX functions calling.
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[-] Some fixes and rearrangements in the DOS version.
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version 1.67.25 (Dec 30, 2007)
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[-] Fixed a couple of bugs related to undefined symbol error signaling.
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version 1.67.24 (Dec 03, 2007)
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[+] Added "-d" option to allow predefining symbolic constants from command line.
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[-] Changed some of the error messages to be more informative.
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version 1.67.23 (Sep 08, 2007)
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[+] Added "static" keyword for the "public" directive in COFF format.
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[-] Redirected error information into stderr.
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version 1.67.22 (Aug 05, 2007)
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[+] Allowed to check "@b" and "@f" symbols with "defined" operator.
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[+] Allowed "as" operator to specify the output file extension when
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placed at the end of the "format" directive line.
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[-] Fixed a bug with stack size declaration in PE64 format that
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caused assembler to crash.
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[-] Corrected the VMREAD and VMWRITE instructions to allow registers
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in place of memory operands.
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[-] Corrected a mistake that made PLT operator not work correctly with
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the CALL instruction.
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version 1.67.21 (Feb 17, 2007)
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[+] Allowed 32-bit relocations in PE64 output format.
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[-] Fixed a bug that caused "push cr0" error to go unnoticed by assembler.
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version 1.67.20 (Feb 12, 2007)
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[-] Corrected the range checking of signed address displacements in 64-bit mode.
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version 1.67.19 (Feb 10, 2007)
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[-] Disallowed labels starting with $ character.
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[-] Fixed some problems with handling 32-bit relocations in 64-bit formats.
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version 1.67.18 (Dec 27, 2006)
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[-] Fixed a small mistake in the recent corrections of logical expression parser.
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version 1.67.17 (Dec 20, 2006)
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[-] Corrected the precedence of operators of macroinstruction line maker.
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The symbol escaping now has always the higher priority than symbol conversion,
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and both have higher precedence than concatenation.
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[-] Fixed problems with logical expression parser to handle correctly comparing
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values containing round brackets with the EQ or EQTYPE operator.
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The only limitation now is that when you use round brackets to enclose some
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logical expressions, they must be paired everywhere inside those expressions.
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version 1.67.16 (Dec 17, 2006)
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[-] Fixed a really old bug in register expression calculator.
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version 1.67.15 (Nov 20, 2006)
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[-] Some final (?) fixes and cleanup in the relative-offsets calculations.
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version 1.67.14 (Oct 28, 2006)
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[-] Another small bug fixes.
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version 1.67.13 (Oct 26, 2006)
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[-] Fixed a bug with handling of invalid expressions by "defined" operator.
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[-] Fixed a newly-introduced bug with relocations in automatically generated RIP-relative
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addressings.
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version 1.67.12 (Oct 1, 2006)
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[+] Added EIP-relative addressing, and fixed some bugs with RIP-related one aswell.
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version 1.67.11 (Sep 26, 2006)
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[+] Added PLT operator for the ELF output format.
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[-] Rearranged and fixed some of the relocation handling routines.
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version 1.67.10 (Sep 23, 2006)
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[+] Added SSSE3 (Supplemental SSE3) instructions.
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version 1.67.9 (Sep 21, 2006)
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[+] Added some Win64 headers and examples in the Windows package.
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[-] Fixed another operand size checking bug with MOVQ instruction.
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version 1.67.8 (Sep 17, 2006)
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[-] Fixed a bug in address processing that caused disallowed combinations like
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[qword eax] to be accepted.
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version 1.67.7 (Jul 31, 2006)
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[-] Fixed a bug that caused over-repeated processing of macro operators when
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many embedded macros were placed in one line
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[+] Added SYSRETQ mnemonic.
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version 1.67.6 (Jul 21, 2006)
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[+] Added (not yet documented) RDMSRQ/WRMSRQ/SYSEXITQ mnemonics for the 64-bit
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variants of respective instructions.
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[+] Added information about memory allocation to the command line interfaces.
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This should make it easier to decide when to use the -m switch.
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version 1.67.5 (Jul 7, 2006)
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[-] Fixed encoding of MOV (E)AX,[WORD ADDR] instruction in 32-bit mode.
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version 1.67.4 (Jul 5, 2006)
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[+] Added R8L-R15L (Intel-style) aliases for R8B-R15B registers.
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[-] Further optimizations in the parser.
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version 1.67.3 (Jul 2, 2006)
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[-] Improved an instruction searching algorithm a bit.
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version 1.67.2 (Jul 1, 2006)
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[-] Fixed a recently introduced bug with ELF relocations in case of 32-bit
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object.
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version 1.67.1 (Jun 30, 2006)
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[+] Added the support for the new AMD SVM technology instructions.
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version 1.67.0 (Jun 28, 2006)
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[-] The PE formatter now automatically detects whether relocatable labels
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should be used, depending on whether the fixups directory is placed
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somewhere into executable by programer, or not. This makes possible the
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more flexible use of the addressing symbols in case of PE executable fixed
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at some position.
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[-] Added support for outputting the 32-bit address relocations in case of
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64-bit object formats. This makes some specific instructions compilable,
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but it also forces linker to put such generated code into the low 2
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gigabytes of addressing space.
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version 1.66 (May 7, 2006)
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[+] Added DEFINE directive to preprocessor, which defines symbolic constants,
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the same kind as EQU directive, however there's an important difference
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that DEFINE doesn't process symbolic constants in the value before
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assigning it. For example:
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a equ 1
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a equ a+a
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define b 1
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define b b+b
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defines the "a" constant with value "1+1", but the "b" is defined with
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value "b+b". This directive may be useful in some advanced
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macroinstructions.
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[-] Moved part of the conditional expression processing into parser,
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for slightly better performance and lesser memory usage by assembler.
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The logical values defined with "eq", "eqtype" and "in" operators are now
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evaluated by the parser and if they are enough to determine the condition,
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the whole block is processed accordingly. Thus this block:
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if eax eq EAX | 0/0
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nop
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end if
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is parsed into just NOP instruction, since parser is able to determine
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that the condition is true, even though one of the logical values makes no
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sense - but since this is none of the "eq", "eqtype" and "in" expressions,
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the parser doesn't investigate.
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[-] Also the assembler is now calculating only as many logical values as it
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needs to determine the condition. So this block:
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if defined alpha & alpha
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end if
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will not cause error when "alpha" is not defined, as it would with previous
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versions. This is because after checking that "defined alpha" is false
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condition it doesn't need to know the second logical value to determine the
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value of conjunction.
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[+] Added "short" keyword for specifying jump type, the "jmp byte" form is now
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obsolete and no longer correct - use "jmp short" instead.
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[-] The size operator applied to jump no longer applies to the size of relative
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displacement - now it applies to the size of target address.
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[-] The RET instruction with 0 parameter is now assembled into short form,
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unless you force using the 16-bit immediate with "word" operator.
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[+] Added missing extended registers for the 32-bit addressing in long mode.
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[+] Added "linkremove" and "linkinfo" section flags for MS COFF output.
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[+] Added support for GOT offsets in ELF object formatter, which can be useful
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when making position-independent code for shared libraries. For any label
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you can get its offset relative to GOT by preceding it with "rva" operator
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(the same keyword as for PE format is used, to avoid adding a new one,
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while this one has very similar meaning).
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[-] Changed ELF executable to use "segment" directive in place of "section",
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to make the distinction between the run-time segments and linkable
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sections. If you had a "section" directive in your ELF executables and they
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no longer assemble, replace it with "segment".
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[-] The PE formatter now always creates the fixups directory when told to -
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even when there are no fixups to be put there (in such case it creates the
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directory with one empty block).
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[-] Some of the internal structures have been extended to provide the
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possibility of making extensive symbol dumps.
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[-] Corrected FIX directive to keep the value intact before assigning it to the
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prioritized constant.
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[+] The ` operator now works with any kind of symbol; when used with quoted
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string it simply does nothing. Thus the sequence of ` operators applied to
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one symbol work the same as if there was just one. In similar manner, the
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sequence of # operators now works as if it was a single one - using such a
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sequence instead of escaping, which was kept for some backward
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compatibility, is now deprecated.
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[-] Corrected order of identifying assembler directives ("if db eq db" was
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incorrectly interpreted as data definition).
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[-] Many other small bugs fixed.
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version 1.64 (Aug 8, 2005)
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[+] Output of PE executables for Win64 architecture (with "format PE64"
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setting).
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[+] Added "while" and "break" directives.
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[+] Added "irp" and "irps" directives.
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[+] The macro arguments can be marked as required with the "*" character.
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[-] Fixed checking for overflow when multiplying 64-bit values - the result
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must always fit in the range of signed 64 integer now.
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[-] Segment prefixes were generated incorrectly in 16-bit mode when BP was used
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as a second addressing register - fixed.
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[-] The "local" directive was not creating unique labels in some cases - fixed.
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[-] The "not encodable with long immediate" error in 64-bit mode was sometimes
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wrongly signaled - fixed.
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[-] Other minor fixes and corrections.
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version 1.62 (Jun 14, 2005)
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[+] Escaping of symbols inside macroinstructions with backslash.
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[+] Ability of outputting the COFF object files for Win64 architecture
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(with "format MS64 COFF" setting).
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[+] New preprocessor directives: "restruc", "rept" and "match"
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[+] VMX instructions support (not documented).
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[+] Extended data directives to allow use of the "dup" operator.
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[+] Extended "struc" features to allow custom definitions of main structure's
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label.
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[-] When building resources from the the .RES file that contained more
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than one resource of the same string name, the separate resource
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directories were created with the same names - fixed.
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[-] Several bugs in the ELF64 object output has been fixed.
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[-] Corrected behavior of "fix" directive to more straightforward.
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[-] Fixed bug in "include" directive, which caused files included from within
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macros to be processed the wrong way.
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