282 lines
9.9 KiB
Plaintext
282 lines
9.9 KiB
Plaintext
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Visit http://flatassembler.net/ for more information.
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version 1.69.11 (Dec 19, 2009)
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[+] Allowed syntax of "pmovmskb" with 64-bit register destination in long mode.
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[-] The code generated for "call eax" instruction was missing prefix in 16-bit
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mode - fixed.
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version 1.69.10 (Oct 28, 2009)
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[-] Fixed long mode opcode generator to allow absolute addresses to be
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generated with "qword" keyword inside square brackets.
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version 1.69.09 (Oct 20, 2009)
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[-] Fixed a crash during the symbolic information generation when a "static"
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symbol was encountered.
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version 1.69.08 (Oct 04, 2009)
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[-] Minor bugfixes.
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version 1.69.07 (Oct 03, 2009)
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[-] Corrected encoding of "extrq" intruction for some cases.
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version 1.69.06 (Sep 29, 2009)
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[-] The prefix 67h for "jecxz" and "loopd" instructions in 64-bit mode wasn't
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correctly generated - fixed.
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[-] It's no longer possible to define two special segments of the same type
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in ELF executables.
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version 1.69.05 (Sep 14, 2009)
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[+] Allowed to specify branding value (use 3 for Linux) after the
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"format ELF executable" setting.
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[+] Added "intepreter", "dynamic" and "note" keywords for creation of
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special segments in ELF executables.
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version 1.69.04 (Sep 7, 2009)
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[-] Fixed a bug with REX prefix generation with address of type "rX+rsp".
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version 1.69.03 (Aug 03, 2009)
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[+] Allowed simplified syntax for "monitor", "mwait", "blendvps", "blendvpd" and
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"pblendvb" instructions.
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version 1.69.02 (Jul 04, 2009)
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[-] Minor bugfixes.
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version 1.69.01 (Jul 01, 2009)
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[+] Added "movbe" instruction.
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[-] "extractps" no longer generates the double 66h prefix.
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version 1.69.00 (Jun 23, 2009)
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[+] Extended the syntax of "rept" directive to allow numerical expressions
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to be calculated by preprocessor in its arguments.
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[-] The code of assembler (but not data) has been made position-independent, and
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this allowed to use code segmentation in DOS unREAL mode, so the code is
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no longer limited to 64 kilobytes.
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version 1.68 (Jun 13, 2009)
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[+] Added SSSE3 (Supplemental SSE3), SSE4.1, SSE4.2 and SSE4a instructions.
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[+] Added the AMD SVM and Intel SMX instructions.
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[+] Added "rdmsrq", "wrmsrq", "sysexitq" and "sysretq" mnemonics for the
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64-bit variants of respective instructions.
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[+] Added "fstenvw", "fstenvd", "fsavew", "fsaved", "frstorw" and "frstord"
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mnemonics to allow choosing between 16-bit and 32-bit variants of
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structures used by the "fstenv", "fsave" and "frstor" instructions.
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[+] Added "plt" operator for the ELF output format.
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[+] Allowed "rva" operator to be used in MS COFF object format, and also
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added "static" keyword for the "public" directive.
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[+] Added Intel-style aliases for the additional long mode 8-bit registers.
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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 and PE executable. This makes some specific
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instructions compilable, but it also forces linker to put such
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generated code into the low 2 gigabytes of addressing space.
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[+] Added "EFI", "EFIboot" and "EFIruntime" subsystem keywords for PE format.
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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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[+] 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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[-] 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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[+] 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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[+] 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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[+] Added "err" directive that allows to signalize error from the source.
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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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