 sergei
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2bba4e2d44
+ Stabs debug info needs swapping when linking for different endianness.
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12 anni fa |
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sergei
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d7c5daeccd
* Don't calculate data position of each object section. Instead, write out a copy of exesection's memory image, i.e. every objsection is placed at the same offset from its owning exesection both on disk and in memory. This approach is simpler and works regardless of alignment requirements, while existing one could work only if SectionDataAlign<=SectionMemAlign.
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12 anni fa |
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sergei
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00ca4a74a3
* Reworked/fixed TExeSymbol.State behavior:
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12 anni fa |
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sergei
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36859068f5
* Propagate AS_NEEDED flag further into Load_DynamicObject and handle it properly: shared objects marked with AS_NEEDED are added to dependencies only if they actually resolve some symbol.
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12 anni fa |
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sergei
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129d737523
+ Allow TObjRelocation to be created without a symbol, such relocations are being used to tag specific positions on non-x86 targets.
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12 anni fa |
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sergei
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0369a30f49
* Internal linker: made sec_rodata_norel read-only.
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12 anni fa |
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sergei
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1aea22a6ca
+ Internal linker: generic and ELF-specific support for grouped sections, allow same symbol to be defined in several COMDAT groups.
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12 anni fa |
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sergei
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d019670495
- Removed generic implementation of TObjData.sectionname, its existence is useless because it is completely overridden by all TObjData descendants.
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13 anni fa |
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sergei
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8a56c9f7dc
* TExeOutput.Order_Symbol and Order_ProvideSymbol: Instead of searching objsection by name, search for the symbol and use its objsection.
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13 anni fa |
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sergei
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499162ca50
* Internal linker: fixed alignment routines. Neither of existing ones is suitable for 64-bit targets: cutils.align() is 32-bit only and moreover signed, system.align() crashes on zero alignment values and handles only pointer size of source platform.
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13 anni fa |
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sergei
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ee62a1ed50
* Fixed unclosed comment from r22775.
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13 anni fa |
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sergei
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6d70009f06
+ ELF linker. Works on x86_64-linux and i386-linux good enough to pass the testsuite, but still requires a lot of work in nearly all aspects. In particular, no attempt to resolve symbols from shared libs is done, everything is just treated as imports. Symbol versioning isn't supported either.
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13 anni fa |
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sergei
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a178e28275
+ Extend TObjRelocation to hold untranslated platform-specific relocation types. This allows to avoid translating relocations into generic format when reading object files (which is just waste of time), and allows TObjRelocationType enumeration contain only types that are actually produced by compiler.
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13 anni fa |
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sergei
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3d63b1a2b2
+ Added a flag allowing a section to be written into both .dbg and executable files. This is needed at least for ELF SHT_NOTE sections.
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13 anni fa |
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sergei
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fde944bf5d
+ Declare AT_TLS and AT_GNU_IFUNC symbol types, these are needed to handle object files created by gcc in ELF internal linker.
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13 anni fa |
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sergei
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c41b407119
* Changed TObjSection.WriteStr method to write a zero byte after the string.
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13 anni fa |
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sergei
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b1b175dacc
+ Internal linker support for weak symbols.
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13 anni fa |
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sergei
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6f4e8927cd
* Specify explicitly whether properties of an ObjSection should be considered when adding it to ExeSection, instead of deciding it implicitly.
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13 anni fa |
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sergei
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d79511f96e
+ Basic ld script parsing capabilities (barely enough to parse glibc2.1 'libc.so' files, lacks any error handling).
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13 anni fa |
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sergei
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ec56677927
+ Added method TObjSection.writeReloc_internal to write relocations to given section+offset without need to have a symbol at target location.
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13 anni fa |
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sergei
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c1e7e9c85e
* TObjData.symbolref: don't lose the weak binding of asm symbol. This fixes tests/tweaklib*.pp at least for Linux x86 targets with internal assembler.
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13 anni fa |
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sergei
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1d09005542
+ Implemented two-stage removal of empty exe sections. Candidates for removal are first marked with oso_disabled flag, then actually removed. Descendants of TExeOutput that override MemPos_Start may modify list of sections pending removal. In particular, the COFF-specific .reloc section no longer has to be handled in base TExeOutput class.
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13 anni fa |
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sergei
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31d004e056
+ Basic executable stack support in TExeOutput.
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13 anni fa |
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sergei
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24c7b7f433
* If alignment requirement of data is bigger than alignment of the section being written to, increase section alignment to match. This mostly affects cases of non-smart linking, where wrong initial alignment used to cause hard to catch misalignment issues. It also largely obsoletes the need to supply the initial section alignment (hidden tai_section constructor,etc).
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13 anni fa |
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sergei
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06844fdb23
* Entirely moved relocation fixup functionality from TObjSection to TExeOutput.
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13 anni fa |
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sergei
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2bc792fe97
* TObjData.FName made protected.
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13 anni fa |
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sergei
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3b3da49ad6
* Merged TElfObjSection.secshidx and TCoffObjSection.secidx into TObjSection.index.
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13 anni fa |
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sergei
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712f5d1c26
- Removed oso_readonly and oso_noload section options, it is enough to have just oso_write and oso_load to express possible section states.
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13 anni fa |
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sergei
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1c5fa5448e
* Do not dereference null pointer, 'real' (not script-provided) common symbols don't have objsection assigned at this point.
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13 anni fa |
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sergei
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65e701a198
* Fixed operation of 'PROVIDE' link script directive (all symbols were incorrectly put into .bss section, instead of locations given by placement of the directive).
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13 anni fa |
