| Commit message (Collapse) | Author | Age | Files | Lines |
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The cv8 output format would generate an invalid .debug$T section,
containing repeated invalid records, none of which are actually used
(which is probably the only reason it actually worked.)
Just in case, generate a *single* type record for void func(void);
Furthermore, the argument list record should come before the procedure
type record (forward references are at least normatively prohibited.)
Reported-by: Alexandre Ganea <alexandre.ganea@ubisoft.com>
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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The a64 instruction patterns would incorrectly force REX to zero at a
point where REX prefixes have already been assigned. This is not only
incorrect in case of instructions which can use high registers, but it
causes an assertion failure. It happened to work for J*CXZ and LOOP*.
Reported-by: Philip Lantz <philip.lantz@intel.com>
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Haiku apparently wants to include <float.h> rather than
"float.h". Rename float.[ch] to floats.[ch] to avoid unnecessary
namespace confusion.
Reported-by: <alaviss0+nasm@gmail.com>
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Until such time that we have a CFI code generator, leave .debug_frame
empty.
Reported-by: Philip Craig <philipjcraig@gmail.com>
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Filenames with double spaces need to be quoted; the preprocessor will
otherwise collapse spaces into one.
When comparing for control characters and spaces, use an unsigned
compare.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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%line directives really need to be preprocessed early, before normal
directive processing. In particular, they are *not* affected by such
thing as smacro expansion, or deferred into an mmacro expansion.
The %line directive is special because it is explicitly indented to be
inserted by an external preprocessor, which can happen at any point.
For mmacro and rep expansions, store the current file and line for
each expansion line. Similarly, let each istk entry contain such
information.
Don't emit empty lines in preprocessing-only mode when we are
already required to issue a %line directive anyway. This cuts down on
clutter a fair bit.
Quote filenames in %line directives (and accept quoted filenames in
%line directives) if and only if it is necessary for
disambiguation. This is required if:
1. The filename contains control characters;
2. The filename begins or ends with whitespace or a quotation mark;
3. The filename is empty.
Otherwise issue the filename as-is, for backwards compatibility.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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tok_set_text() and tok_set_text_free() take a length argument, which
could at least theoretically mean that we don't have a null-terminated
string. Directly enforce a null-terminated string in all cases.
In the future this means that it is legal to intentionally use these
functions to tokenize a substring.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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In tok_set_text() and tok_set_text_free(), don't trust that
the caller has given us a zero-terminated string.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Legacy multi-line macro argument expansion really is very
complicated. With these changes, all legacy tests seem to pass, and
the only differences with NASM 2.14.xx are that some macros which
should have been expanded and were not now are.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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The handling of empty arguments in NASM 2.14 and below was at best
"interesting"; a single whitespace token expansion, which can happen
during macro expansion, would sometimes be counted as an argument and
sometimes not.
One really weird effect of this was that %0 doesn't always match the
permitted range in the macro specification!
Add some backwards compatibility code to make x264/ffmpeg compile.
Add override via:
%pragma preproc sane_empty_expansion true
Add support for %clear to clear specific subsets of the macro
definitions. In particular:
%clear defalias
... can be used to wipe the __FOO__ backwards macro compatibility
aliases which may interfere with the C namespace.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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There really isn't much point in calling nasm_free() everywhere,
even with a null pointer...
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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mstk.mstk reflects %rep conditions as well as actual expanded
macros. However, in_progress is undefined for %rep loops; we instead
want to look at the underlying mmacro, if there is one.
Discovered trying to compile x264.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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The error message "comma expected after operand 2" no longer
occurs in this program, this is an acceptable divergence, however.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Add *.pdf.xz to the gitignore file.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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The "here" or "in an unknown location" suffix was inadvertently
dropped.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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When using VCMP and VPCMP operations with the condition in the opcode,
we should not have an immediate operand!
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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The VCMP and VPCMP pseudo-op forms where the destination is a mask
were simply broken. Fix them.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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%ifdef should accept any argument count. However, requiring
a macro structure return means we have to use the wildcard
argument number (-1), not 0 meaning exactly 0 arguments.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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For some reason, %ifdef is failing now?!
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Legacy NASM behavior is (quite frankly the sane one) that a comma
inside a set of parentheses do not split smacro arguments, unless
explicitly using braces to enforce this behavior. Revert to legacy
behavior, which again, is arguably the more correct.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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CMPXCHG8b/16b should be legitimate with an explicit operand size.
Reported-by: Xusheng Li <xushengli@protonmail.com>
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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If the directories don't exist, we could get serious weirdness.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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If we have external dependencies, we need Makefile.dep to exist;
this forces make to invoke the Makefile.dep target if this file is
missing.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Remove debugging print statement.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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There is no point to run config.status --recheck just because
we have changed Makefile.in. Just run config.status.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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At some point internalization/externalization of dependencies
apparently broke.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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There is no reason to include both nasmdoc.pdf.xz and nasmdoc.pdf. For
the -xdoc file, the one with minimal dependencies is the proper one.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Building NASM from scratch needs perl.
.pdf.xz is now build by the standard NASM Makefile.in, so don't
do it again (it causes failures.)
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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A trailing comma at the end of an mmacro call is an empty
argument, and so we can't terminate the argument-processing loop. The
only case where skip_white() returning NULL where we are allowed to
terminate the loop is in the case of nparams == 0, i.e. the macro call
has no arguments at all.
Reported-by: gabriele balducci <balducci@units.it>
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Properly format the error messages when we print them (oops!)
The errhold_stack should be empty after each pass. It may even be
worthwhile to make sure it is empty after each *line*, but do this
for now.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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We must not call nasm_error_hold_push() twice... the obvious
leak of the error stack caused all kinds of errors to be suppressed.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Don't issue smacro expansion warnings until we are sure we are
actually *done* with the smacro expansion. The last pass of
expand_smacro_noreset() gets to commit warnings.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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warning_alias[0] is "all". It is represented in the loop by
value == NULL; WARN_IDX_ALL does not have an entry in warning_state[]
and so trying to poke it is an error.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Fix use of uninitialized variable. This most likely is just an
issue while running at debug level >= 3, but it's still wrong.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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We need the instruction table to contain the correct information for
both the reg and the rm field in the various modes.
Reported-by: <fasdfqwer@mail.com>
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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Set an expression descent limit to 8192, which is more reasonable to
expect to work on most platforms. Furthermore, if getrlimit() exists,
then try to use it to see if we need to further limit the size.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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If an include file exists, but cannot be opened, that is still a
critical error.
However, downgrade this from a fatal to a nonfatal error. There really
isn't any reason to stop cold here.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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If the rest of the line is consumed, we may never see tafter, so we
have to test for end of line at line 5412. We already do at 5397, so
it clearly should have been there all along.
Reported-by: <puppet@zju.edu.cn>
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
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