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The variable gnu_toolchain is true if a gnu toolchain is used and
false in all other cases. The variable avoids the explicit test
whether the system string is diab and should be easier to change.
Bug 20521.
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Instead of exporting and setting all functions we just fill the
struct already in DebugInformation with the correct functions.
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Instead of escaping all newlines etc for the help options use
quoted strings.
Bug 19872
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The options controlling the generation of debugging information
are now moved into the Debug module. Futhermore the -gdepth
options are replaced in favor of a more gcc compatible version.
Bug 20193
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The configuration advanced debug is removed and now full debug
information is also generated for ia32 and arm.
Bug 17609
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The interface hides the implementation details, like the huge
number of Hashtbls from the rest of the implementatio.
Bug 18394
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Removed some unused variables, functions etc. and resolved some
problems which occur if all warnings except 3,4,9 and 29 are active.
Bug 18394.
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Since the identifier of a function definition and of its declaration
are equal we only should remove functions if the function iteself is
removed.
Bug 17724.
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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.
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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.
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Instead of making each filed mutuable we use a reference to a record
of type implem. Now only the default implementation and the default
debug information need to be upated to add a new function.
Bug 17392.
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Instead of defining two functions for adding the mapping from atom
to debug id we use one function which then sets the corresponding
values.
Bug 17392.
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information.
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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.
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scopes before the last statement.
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In order to remove unnecessary dependecies the implemenation type is made
and the DebugInit file initializes the fields in the record. This allows
it to move more functions behind the Debug interface without introducing
circular dependencies.
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