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Here we start using instruction flags generator.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
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Increased the size of data type for instruction flags from 32bits to 64bits.
And a new type (iflags_t) is defined for better maintainability.
Bigger data type is needed because more instruction set types are coming
but there were not enough space for them. Since they are not bit masks,
only one instruction set is allowed for each instruction.
Signed-off-by: Jin Kyu Song <jin.kyu.song@intel.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
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LLVM's Clang warns about this. outieee.c had a real problem.
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Remove a bunch of function pointers in the output stage; they are
never changed and don't add any value. Also make "ofile" a global
variable and let the backend use it directly.
All we ever did with these variables were stashing it in locals and
using them as-is anyway for no benefit.
Also change the global error function, nasm_error() into a true
function which invokes a function pointer internally. That lets us
use direct calls to it.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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*To the best of my knowledge*, we now have authorization from everyone
who has significantly contributed to NASM in the past. As such,
change the license to the 2-clause BSD license.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Add copyright headers to the *.c/*.h files in the main directory. For
files where I'm sure enough that we have all the approvals, I have
given them the 2-BSD license, the others have been given the "LGPL for
now" license header. Most of them can probably be changed after
auditing.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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If we can't find a matching instruction, rather than printing it as a
"db" literal, consider first if we can disassemble it as a naked prefix.
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Move all the version strings to a single compilation unit, ver.c; this
does not include the version macros, which are fed into macros.c.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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On some platforms, tolower() is implemented as a function call, in
order to handle locale support. We never change locales, so can the
result of tolower() into a table, so we don't have to sit through the
function call every time.
~1.3% overall performance improvement on a macro-heavy benchmark under
Linux x86-64.
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Correctly handle instructions at offset zero
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Handle the case of "no more sync points" explicitly, instead of saying
the next sync point is at UINT32_MAX.
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Proper use of bool and enum makes code easier to debug. Do more of
it. In particular, we really should stomp out any residual uses of
magic constants that aren't enums or, in some cases, even #defines.
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Both C and C++ have "bool", "true" and "false" in lower case; C
requires <stdbool.h> for this, in C++ it is an inherent type built
into the compiler. Use those instead of the old macros; emulate with
a simple typedef enum if unavailable.
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Concentrate compiler dependencies to compiler.h; make sure compiler.h
is included first in every .c file (since some prototypes may depend
on the presence of feature request macros.)
Actually use the conditional inclusion of various functions (totally
broken in previous releases.)
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Clean up nasmlib to remove functions irrelevant for ndisasm; make
nasm_malloc() etc usable inside ndisasm.
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64-bit support required some major changes to regs.dat; clean some of
it up (re-introduce patterns, where appropriate) and allow a single
register to belong to multiple disassembly classes; also keep track
of the x86 register number again.
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- Remove obsolete types like "uint32"; use "uint32_t" consistently.
- Make sure we include <inttypes.h> where needed.
- Header file guards should be FOO_H or SUBDIR_FOO_H; _FOO_H infringes
on the C implementation's namespace and should only be used when
writing libc!
- Change a few "int8_t" back to "char" where appropriate. There are
a lot more places where that should be done, though.
- Clean up the check for getuid/getgid in rdoff/rdlar.h.
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overflow exploits.
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