 sergei
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f98e09d86e
- TObjData.sectiontype2options: removed oso_keep flags. They don't have any effect here because this function is used only during assembling, and oso_keep cannot be represented in object files and therefore gets lost before linking.
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12 vuotta sitten |
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sergei
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2bba4e2d44
+ Stabs debug info needs swapping when linking for different endianness.
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12 vuotta sitten |
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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 vuotta sitten |
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sergei
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00ca4a74a3
* Reworked/fixed TExeSymbol.State behavior:
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13 vuotta sitten |
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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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13 vuotta sitten |
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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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13 vuotta sitten |
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sergei
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0369a30f49
* Internal linker: made sec_rodata_norel read-only.
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13 vuotta sitten |
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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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13 vuotta sitten |
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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 vuotta sitten |
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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 vuotta sitten |
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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 vuotta sitten |
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sergei
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ee62a1ed50
* Fixed unclosed comment from r22775.
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13 vuotta sitten |
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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 vuotta sitten |
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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 vuotta sitten |
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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 vuotta sitten |
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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 vuotta sitten |
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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 vuotta sitten |
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sergei
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b1b175dacc
+ Internal linker support for weak symbols.
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13 vuotta sitten |
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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 vuotta sitten |
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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 vuotta sitten |
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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 vuotta sitten |
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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 vuotta sitten |
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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 vuotta sitten |
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sergei
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31d004e056
+ Basic executable stack support in TExeOutput.
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13 vuotta sitten |
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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 vuotta sitten |
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sergei
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06844fdb23
* Entirely moved relocation fixup functionality from TObjSection to TExeOutput.
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13 vuotta sitten |
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sergei
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2bc792fe97
* TObjData.FName made protected.
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13 vuotta sitten |
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sergei
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3b3da49ad6
* Merged TElfObjSection.secshidx and TCoffObjSection.secidx into TObjSection.index.
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13 vuotta sitten |
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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 vuotta sitten |
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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 vuotta sitten |
