| PE binaries: |
JWlink is able to produce PE32+ binaries for Win64. This format is
automatically enabled when a PE32+ object module is detected.
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new options LARGEaddressaware (32-bit Windows PE) and NOLARGEaddressaware
(64-bit Windows PE32+).
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constant data is put into the readonly section "rdata" ( MS link
compatible ) [ OW WLink writes it into read-write section DGROUP ].
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.idata section - which is used to store import information - is merged
with ".rdata" ( MS link compatible ). [ OW Wlink creates a separate
section for .idata ].
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.edata section - which is used to store export information - is merged
with ".rdata" ( MS link compatible ). [ OW Wlink creates a separate
section for .edata ].
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linker "-export" directives in section ".drectve" ( COFF modules only )
may contain an "internal name" addition ( MS link compatible ). Example:
"-export:MyFunc1=_MyFunc1@4"
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linker "-entry" directive in section ".drectve" ( COFF modules only )
doesn't need a leading underscore, it is added internally ( MS link
compatible ). This eliminates the need to use JWasm's -zzs option.
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linker "-defaultlib" directive in section ".drectve" ( COFF/ELF modules
only ) is able to handle directory names enclosed in double quotes.
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linker will understand directive "-import" read from section
".drectve" ( COFF/ELF modules only ).
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if the linker finds a directive in section ".drectve" that it doesn't
understand, it will emit warning "unknown directive '-%s' ignored".
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for dlls, the base relocation table isn't removed if no relocations
exist. Instead an empty table is written.
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if an import library is to be written, format COFF is used now as
default if a PE binary is linked. To actually write the library,
the external tool JWLib is used.
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JWlib.exe: if COFF import libraries are to be created, the "short"
format is used now, which reduces the file size significantly.
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default base for dlls is 0x10000000 ( MS link compatible ).
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new SEGMENT attributes EXECUTABLE and WRITABLE to allow to make
data sections executable or code sections writable.
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new option NXCompat.
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directive ANONYMOUSEXPORT works with PE format.
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new option FUZZYEXPORT to allow undecorated names with EXPORT directive.
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unused entries in the linker-generated transfer table are no longer written.
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| ELF binaries: |
Support for 64-bit ELF binaries has been added. This format is
automatically enabled when a 64-bit object module is detected.
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if no start address has been defined, symbol _start will be set as
start address automatically.
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It is ensured that file alignment ( option ALIGNMENT ) won't violate
segment alignment requirements. Also, default for file alignment is
0 ( means no alignment ). Default for object alignment ( option OBJALIGN )
is still 0x1000.
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| DOS binaries: |
new option KNOWEAS for DOS binaries to make the linker create
full-sized (size >= 0x40) MZ headers for stubs.
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no minimum stack size for MZ binaries.
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no warning is displayed if a 32bit module is linked into the binary.
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| Other: |
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If multiple starting points are defined, JWlink will warn only and
use the first that was defined.
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File arguments may be enclosed in double quotes.
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the rudimentary support for Tenberry's 16-bit extender DOS/16M has
been removed.
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JWlink is able to handle OMF LIDATA records with relocations.
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The EXPORT directive got a new attribute, NONAME, that makes it work
similiar to ANONYMOUSEXPORT.
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