| Commit message (Collapse) | Author | Age | Files | Lines |
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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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Remove CompCert's ability to parse and compile source files written in Cminor
This facility is no longer used (as far as we know) and is painful to maintain.
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Open Local becomes Local Open. This silences Coq 8.6's warning.
Also: remove one useless Require-inside-a-module that caused another warning.
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Introduce Cutil.class_of_attribute to return the class of the given attribute: one among
Attr_type attribute related to types (e.g. "aligned")
Attr_struct attribute related to struct/union/enum types (e.g. "packed")
Attr_function attribute related to function types (e.g. "noreturn")
Attr_name attribute related to variable and function declarations (e.g. "section")
Attr_unknown attribute was not declared
Cutil.declare_attribute is used to associate a class to a custom attribute.
Standard attributes (const, volatile, _Alignas, etc) are Attr_type.
cfronted/C2C.ml: declare the few attributes that CompCert honors currently.
cparser/GCC.ml: a bigger list of attributes taken from GCC, for reference only.
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The option -fmax-errors limits the number of errors that are
reported before the compilation is aborted. The default 0 means no
limit.
Bug 19872
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GCC treats files with .sx extension in the same way as it treats
files with .S suffix.
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Instead of escaping all newlines etc for the help options use
quoted strings.
Bug 19872
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If CompCert crashes because of an uncaught exception the exception
is caught toplevel and the backtrace is printed plus an additional
message to include the backtrace in a support request, if buildnr
and tag are available.
Bug 20681.
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Support for 64-bit target processors + support for x86 in 64-bit mode
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-> x86/x86_32/x86_64
Having Archi.ptr64 as an opaque Parameter that is determined at run-time depending on compcert.ini is problematic for applications such as VST where functions such as Ctypes.sizeof must compute within Coq.
This commit introduces two versions of the Archi.v file, one for x86 32 bits (with ptr64 := false), one for x86 64 bits (with ptr64 := true). Unlike previous approaches, no other file is duplicated between these two variants of x86.
While we are at it, I renamed "ia32" into "x86" everywhere. "ia32" is Intel speak for the 32-bit architecture. It is not a good name to describe both the 32 and 64 bit architectures.
Finally, .depend is no longer under version control and is regenerated when the target architecture changes. That's because the location of Archi.v differs between the ports that have 32/64 bit variants (x86 so far) and the ports that have only one bitsize (ARM and PowerPC so far).
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Cherry-pick commit d1311e6 from trunk.
Simplify convert_external_arg so that it works both in 32 and 64 bits.
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The PowerPC port remains 32-bit only, no support is added for PPC 64.
This shows how much work is needed to update an existing port a minima.
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- Introduce Archi.ptr64 parameter.
- Define module Ptrofs of integers as wide as a pointer (64 if Archi.ptr64, 32 otherwise).
- Use Ptrofs.int as the offset type for Vptr values and anywhere pointer offsets are manipulated.
- Modify Val operations that handle pointers (e.g. Val.add, Val.sub, Val.cmpu) so that in 64-bit pointer mode it is the "long" operation (e.g. Val.addl, Val.subl, Val.cmplu) that handles pointers.
- Update the memory model accordingly.
- Modify C operations that handle pointers (e.g. addition, subtraction, comparisons) accordingly.
- Make it possible to turn off the splitting of 64-bit integers into pairs of 32-bit integers.
- Update the compiler front-end and back-end accordingly.
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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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Commit 60402c5 breaks printing of default floats by adding support for
%lf. This commit adds back support for %f.
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%lf is official part of the C99 standard.
Bug 19877
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Advanced diagnostics
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Color output is only enabled if stderr is a tty, and the
environment variable TERM is not empty or dumb.
Bug 18004
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Now each warning either has a name and can be turned on/off, made
into an error,etc. or is a warning that always will be triggered.
The message of the warnings are similar to the ones emited by
gcc/clang and all fit into one line.
Furthermore the diagnostics are now colored if colored output is
available.
Bug 18004
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Support for ARM Big Endian
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Adds support for the big endian arm targets by making the target
endianess flag configurable, adding support for the big endian
calling conventions, rewriting memory access patterns and adding
big endian versions of the runtime functions.
Bug 19418
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When response files are used CompCert should still print all
command line arguments since the response file is deleted after
usage.
Bug 19297.
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Add support for response files
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Also corrected some typos and corrected exception handling for
expandargv.
Bug 18308
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The diab data compiler has different quoting conventions compared
to the gnu tools.
Bug 18308.
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The functions expandargv and writeargv resemble the functions from
the libiberity that are used by the gnu tools. Additionaly a new
configuration is added in order to determine which kind of response
files are supported for calls to other tools.
Bug 18308
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Command now decides whether to use a responsefile or call the
external command directly.
Bug 18004
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Since gnu make and other tools under windows seem to have a limit
of around 8000 bytes per command line the arguments should be
passed via responsefiles instead.
Bug 18308
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Commandline can now be passed in a file specifed with @file on the
Commandline. The quoting convention is similar to the one used by
gcc, etc. Options are separated by whitespaces and options with
whitespaecs need to be quoted.
Bug 18303
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The emulated printf in the interpreter did always return 0 instead
of the numbers of bytes printed.
Bug 19564
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