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| * Fixed typos in the arm and ia32 section printing.Bernhard Schommer2015-10-161-1/+1
| | | | | | | | Bug 17392
| * Implemented the usage of DW_AT_ranges for non-contiguous address ranges.Bernhard Schommer2015-10-161-0/+1
| | | | | | | | | | | | | | | | | | | | The gcc produces DW_AT_ranges for non-contiguous address ranges, like compilation units containing functions which are placed in different ELF-sections or lexical scopes that are split up. With this commit CompCert also uses this DWARF v3 feature for gnu backend based targets. In order to ensure backward compability a flag is added which avoids this and produces debug info in DWARF v2 format. Bug 17392.
| * First step to implemente address ranges for the gnu backend.Bernhard Schommer2015-10-151-7/+1
| | | | | | | | | | | | | | | | | | In contrast to the dcc, the gcc uses address ranges to express non-contiguous range of addresses. As a first step we set the start and end addresses for the different address ranges for the compilation unit by using the start and end addresses of functions. Bug 17392.
| * Use section type also for other targets.Bernhard Schommer2015-10-151-2/+2
| | | | | | | | Bug 17392.
| * bug 17392: remove trailing whitespace in source filesMichael Schmidt2015-10-141-47/+47
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| * Implement the usage of the debug_str section for the gcc backend.Bernhard Schommer2015-10-131-1/+1
| | | | | | | | | | | | | | | | GCC prints all string larger than 3 characters in the debug_str section which reduces the size of the debug information since entries containing the same string now map to the same string in the debug_str sections. Bug 17392.
* | Updated PR by removing whitespaces. Bug 17450.Bernhard Schommer2015-10-201-47/+47
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* | Use Coq strings instead of idents to name external and builtin functions.Xavier Leroy2015-10-111-2/+2
|/ | | | | | | | | | The AST.ident type represents source-level identifiers as unique positive numbers. However, the mapping identifiers <-> AST.ident differs between runs of CompCert on different source files. This is problematic when we need to produce or recognize external functions and builtin functions with fixed names, for example: * in $ARCH/Machregs.v to define the register conventions for builtin functions; * in the VST program logic from Princeton to treat thread primitives specially. So far, we used AST.ident_of_string to recover the ident associated with a string. However, this function is defined in OCaml and doesn't execute within Coq. This is a problem both for VST and for future executability of CompCert within Coq. This commit replaces "ident" by "string" in the arguments of EF_external, EF_builtin, EF_inline_asm, EF_annot, and EF_annot_val. This provides stable names for externals and builtins, as needed. For inline asm and annotations, it's a matter of taste, but using strings feels more natural. EF_debug keeps using idents, since some kinds of EF_debug annotations talk about program variables.
* Filled in the rest of the funciton needed for thte debug info under arm.Bernhard Schommer2015-10-091-5/+23
| | | | | | The name_of_section function no returns the correct name for the debug sections, the prologue and epilogue directives are added and the labels for the live ranges are introduced in the Asmexpand pass.
* Add the forgotten Fileinfo also to arm and ia32 TargetPrinter.mlBernhard Schommer2015-10-021-0/+1
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* Cleanup of now no longer needed functions.Bernhard Schommer2015-10-011-11/+1
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* Change the way the debug sections are printed.Bernhard Schommer2015-09-281-1/+1
| | | | | | If a user uses the #pragma use_section for functions the diab linker requires a separate debug_info section for each entry. This commit adds functionality to emulate this behavior.
* Added printing the reference address for the LocRef and started refactoring oldBernhard Schommer2015-09-271-9/+1
| | | | | | | | Debuging code. The old functions to store the symbol for the Global variables and retrive this is no longer needed since the atom is stored in DebugInformation. Also the Debug.Abbrev module is no longer needed.
* Added support for the locations of stack allocated local variables.Bernhard Schommer2015-09-251-0/+1
| | | | | This commit adds furher support for location information for local variables and starts with the implementation of the debug_loc section.
* Record the scope structure during unblocking.Bernhard Schommer2015-09-221-0/+2
| | | | | | Instead of creating separate annotations for the local variables we call the Debug.add_lvar_scope and we construct a mapping from function id + scope id to scope information.
* Revert "Startet implementation of new Debug interface."Bernhard Schommer2015-09-101-1/+0
| | | | This reverts commit 861292a6c5e58b4f78bef207c717b801b3fc1fed.
* Startet implementation of new Debug interface.Bernhard Schommer2015-09-061-0/+1
| | | | | | Added a new file debug/Debug.ml which will be the interface between for generating and printing the debuging information. Currently it contains only the code for the line directived.
* XBernhard Schommer2015-09-061-21/+11
|\ | | | | | | Merge branch 'master' into debug_locations
| * Upgrade the ARM port to the new builtins.Xavier Leroy2015-08-241-21/+11
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* | Added symbol functions for printing of the location for global variables.Bernhard Schommer2015-08-211-0/+6
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* Updated the branch and implemented the suggested changes.Bernhard Schommer2015-07-141-0/+17
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* Merge branch 'asmexpand' of github.com:AbsInt/CompCertBernhard Schommer2015-06-261-279/+42
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* Revert "Merge branch 'asmexpand' of github.com:AbsInt/CompCert"Bernhard Schommer2015-06-261-42/+279
| | | | | This reverts commit 777566e81b9762d6bdc773a1f63d56a7ac97433c, reversing changes made to daf9ac64fc9611ecf09d70560a6fa1ba80b9c9c1.
* Moved the printing of the builtin functions etc. into Asmexpand for ARM in ↵Bernhard Schommer2015-06-101-279/+42
| | | | the same way as it is done for PPC.
* Merged PrintAnnot into PrintAsmaux.Bernhard Schommer2015-05-141-4/+4
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* Cleanups and updates for extended asm.Xavier Leroy2015-04-211-1/+1
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* Support for GCC-style extended asm, continued:Xavier Leroy2015-04-211-1/+1
| | | | | | | | - support "r", "m" and "i" constraints - support "%Q" and "%R" modifiers for register pairs - support register clobbers - split off analysis and transformation of asm statements in cparser/ExtendedAsm.ml
* Experiment: support a subset of GCC's extended asm statements.Xavier Leroy2015-04-171-2/+2
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* Correct type of label function.Bernhard Schommer2015-04-161-1/+1
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* Added missing dummy functions.Bernhard Schommer2015-04-161-0/+4
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* Merge branch 'master' into dwarfBernhard Schommer2015-03-231-2/+6
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| * Fix .type and .size annotations: @ is comment, use % instead.Xavier Leroy2015-03-201-2/+6
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* | Merge branch 'master' into dwarfBernhard Schommer2015-03-161-0/+1
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| * Missing initialization of current_function_sig.Xavier Leroy2015-03-141-0/+1
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* | Started implementing the printing functions for the debug info. Added a ↵Bernhard Schommer2015-03-161-0/+6
| | | | | | | | global target dependend option to activate the printing only for targets wher it works.
* | Started integrating the debug printing in the common backend_printer.Bernhard Schommer2015-03-111-0/+6
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* Removed unused sel_target, changed cygwin symbol names and changed the ↵Bernhard Schommer2015-02-191-1/+2
| | | | default function aligment to be target dependent.
* Added an elf prefix to all common elf functions in PrintAsmaux.Bernhard Schommer2015-02-181-3/+5
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* Changed print_fun/var_info to be functions instead of booleans.Bernhard Schommer2015-02-181-2/+2
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* Removed some style issues.Bernhard Schommer2015-02-181-2/+2
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* Changed arm backend to the common backend printer.Bernhard Schommer2015-02-091-0/+1140
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