| Commit message (Collapse) | Author | Age |
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Fixes macros with varargs if the macro instantiation has a trailing comment.
Patch by Janne Grunau!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211219 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207083 91177308-0d34-0410-b5e6-96231b3b80d8
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Some of the more complex directive and macro handling for GAS compatibility
requires lookahead. Add a single token lookahead in the MCAsmLexer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201058 91177308-0d34-0410-b5e6-96231b3b80d8
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This will be needed for .octa support, but we don't want to just use the
existing AsmLexer::Integer for it and then have to litter all its users
with explicit checks for the size, and make them use the new get APIntVal()
method.
So let the lexer produce an AsmLexer::Integer as before for numbers which
are small enough — which appears to cover what was previously a nasty
special case handling of numbers which don't fit in int64_t but *do* fit
in uint64_t.
Where the number is too large even for that, produce an AsmLexer::BigNum
instead. We do nothing with these except complain about them for now,
but that will be changed shortly...
Based on a patch from PaX Team <pageexec@freemail.hu>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200613 91177308-0d34-0410-b5e6-96231b3b80d8
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This commit caches the value of the AllowAtInIdentifier variable as
a class variable in AsmLexer. We do this to avoid repeated MAI
queries and string comparisons each time we lex an identifier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196622 91177308-0d34-0410-b5e6-96231b3b80d8
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The integrated assembler fails to properly lex arm comments when
they are adjacent to an identifier in the input stream. The reason
is that the arm comment symbol '@' is also used as symbol variant in
other assembly languages so when lexing an identifier it allows the
'@' symbol as part of the identifier.
Example:
$ cat comment.s
foo:
add r0, r0@got to parse this as a comment
$ llvm-mc -triple armv7 comment.s
comment.s:4:18: error: unexpected token in argument list
add r0, r0@got to parse this as a comment
^
This should be parsed as correctly as `add r0, r0`.
This commit modifes the assembly lexer to not include the '@' symbol
in identifiers when lexing for targets that use '@' for comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196607 91177308-0d34-0410-b5e6-96231b3b80d8
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This is another (final?) stab at making us able to parse our own asm output
on Windows.
Symbols on Windows often contain @'s and ?'s in their names. Our asm parser
didn't like this. ?'s were not allowed, and @'s were intepreted as trying to
reference PLT/GOT/etc.
We can't just add quotes around the bad names, since e.g. for MinGW, we use gas
to assemble, and it doesn't like quotes in some places (notably in .def
directives).
This commit makes us allow ?'s in symbol names, and @'s in symbol names for MS
assembly.
Differential Revision: http://llvm-reviews.chandlerc.com/D1978
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193000 91177308-0d34-0410-b5e6-96231b3b80d8
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It's useful to be able to write down floating-point numbers without having to
worry about what they'll be rounded to (as C99 discovered), this extends that
ability to the MC assembly parsers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188370 91177308-0d34-0410-b5e6-96231b3b80d8
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For integer constants, allow 'L', 'UL' as well as 'ULL' and 'LL'. This provides
better support for shared headers between .s and .c files that define bunches
of constant values.
rdar://9321056
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176118 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176031 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175173 91177308-0d34-0410-b5e6-96231b3b80d8
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This is complicated by backward labels (e.g., 0b can be both a backward label
and a binary zero). The current implementation assumes [0-9]b is always a
label and thus it's possible for 0b and 1b to not be interpreted correctly for
ms-style inline assembly. However, this is relatively simple to fix in the
inline assembly (i.e., drop the [bB]).
This patch also limits backward labels to [0-9]b, so that only 0b and 1b are
ambiguous.
Part of rdar://12470373
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174983 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174927 91177308-0d34-0410-b5e6-96231b3b80d8
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Part of rdar://12470373
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174926 91177308-0d34-0410-b5e6-96231b3b80d8
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Sooooo many of these had incorrect or strange main module includes.
I have manually inspected all of these, and fixed the main module
include to be the nearest plausible thing I could find. If you own or
care about any of these source files, I encourage you to take some time
and check that these edits were sensible. I can't have broken anything
(I strictly added headers, and reordered them, never removed), but they
may not be the headers you'd really like to identify as containing the
API being implemented.
Many forward declarations and missing includes were added to a header
files to allow them to parse cleanly when included first. The main
module rule does in fact have its merits. =]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169131 91177308-0d34-0410-b5e6-96231b3b80d8
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to improve compatibility with GNU as.
Based on a patch by PaX Team.
Fixed assertion failures on non-Darwin and added additional test cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164248 91177308-0d34-0410-b5e6-96231b3b80d8
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If we see an EOF w/o a preceding end-of-line, return an EndOfStatement
token before returning the Eof token.
Based on patch by Stepan Dyatkovskiy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139798 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139697 91177308-0d34-0410-b5e6-96231b3b80d8
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#line directives with the needed support in the lexer. Next will be to build
a simple file/line# table mapping source SMLoc's for later use by diagnostics.
And the last step will be to get the diagnostics to use the mapping for file
and line numbers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139669 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136908 91177308-0d34-0410-b5e6-96231b3b80d8
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We still don't handle
* default values
* :req
* :vararg
* \()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132656 91177308-0d34-0410-b5e6-96231b3b80d8
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test for invalid hexadecimals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129326 91177308-0d34-0410-b5e6-96231b3b80d8
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Testcase forthcoming.
rdar://8490596
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129309 91177308-0d34-0410-b5e6-96231b3b80d8
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The MC asm lexer wasn't honoring a non-default (anything but ';') statement
separator. Fix that, and generalize a bit to support multi-character
statement separators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128227 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125388 91177308-0d34-0410-b5e6-96231b3b80d8
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rejected by the mc assembler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122557 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122193 91177308-0d34-0410-b5e6-96231b3b80d8
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This fixed 8615.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122150 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117298 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114861 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114733 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114718 91177308-0d34-0410-b5e6-96231b3b80d8
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Also fix 0b010 syntax to actually work while we're at it :-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111876 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108154 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108130 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104316 91177308-0d34-0410-b5e6-96231b3b80d8
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CurPtr[0] == '\n' when testing the character after a "0b" when looking
to see if it part of a something like "jmp 0b".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104039 91177308-0d34-0410-b5e6-96231b3b80d8
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correctly. The Lexer was incorrectly eating the newline casusing it to branch
to address 0. Updated the test case to use a "0:" label and a branch to "0b".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104038 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103989 91177308-0d34-0410-b5e6-96231b3b80d8
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at the token level. Consider the following horrible test case:
a = 1
.globl $a
movl ($a), %eax
movl $a, %eax
movl $$a, %eax
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103178 91177308-0d34-0410-b5e6-96231b3b80d8
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allow $ at the start of a symbol name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103137 91177308-0d34-0410-b5e6-96231b3b80d8
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current PC. rdar://7834775
We now produce an identical .o file compared to the cctools
assembler for something like this:
_f0:
L0:
jmp L1
.long . - L0
L1:
jmp A
.long . - L1
.zerofill __DATA,_bss,A,0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101227 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98442 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94167 91177308-0d34-0410-b5e6-96231b3b80d8
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other tools can link it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94131 91177308-0d34-0410-b5e6-96231b3b80d8
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