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authorH. Peter Anvin (Intel) <hpa@zytor.com>2020-06-27 16:52:02 -0700
committerH. Peter Anvin (Intel) <hpa@zytor.com>2020-06-27 16:52:02 -0700
commitc59337797f2dac6c89c66440f3d30d468adf5bbc (patch)
tree56b3769fce933ffbcf2180124f925465acbd6043
parent513e19c8da06745525492b58795d8d8caa545049 (diff)
parent444905e48bc2e4e428064b3ad5ec6d6c5d23d2f1 (diff)
downloadnasm-c59337797f2dac6c89c66440f3d30d468adf5bbc.tar.gz
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Merge remote-tracking branch 'origin/nasm-2.15.xx'HEADmaster
Resolved Conflicts: version Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
-rw-r--r--Makefile.in5
-rw-r--r--Mkfiles/msvc.mak2
-rw-r--r--Mkfiles/openwcom.mak2
-rw-r--r--doc/changes.src9
-rw-r--r--doc/nasmdoc.src81
-rwxr-xr-xtools/release2
-rw-r--r--x86/iflags.ph1
-rw-r--r--x86/insns.dat16
8 files changed, 88 insertions, 30 deletions
diff --git a/Makefile.in b/Makefile.in
index dd4bf09f..8c8e1d54 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -184,7 +184,7 @@ PERLREQ = x86/insnsb.c x86/insnsa.c x86/insnsd.c x86/insnsi.h x86/insnsn.c \
x86/iflag.c x86/iflaggen.h \
macros/macros.c \
asm/pptok.ph asm/directbl.c asm/directiv.h \
- asm/warnings.c include/warnings.h \
+ asm/warnings.c include/warnings.h doc/warnings.src \
version.h version.mac version.mak nsis/version.nsh
INSDEP = x86/insns.dat x86/insns.pl x86/insns-iflags.ph x86/iflags.ph
@@ -393,7 +393,8 @@ clean:
distclean: clean
$(RM_F) config.log config.status config/config.h
for d in . $(SUBDIRS) $(XSUBDIRS); do \
- $(RM_F) "$$d"/*~ "$$d"/*.bak "$$d"/*.lst "$$d"/*.bin ; \
+ $(RM_F) "$$d"/.\# "$$d"/\# "$$d"/*~ "$$d"/*.bak \
+ "$$d"/*.lst "$$d"/*.bin ; \
done
$(RM_F) test/*.$(O)
$(RM_RF) autom4te*.cache
diff --git a/Mkfiles/msvc.mak b/Mkfiles/msvc.mak
index f004e984..d0272b2b 100644
--- a/Mkfiles/msvc.mak
+++ b/Mkfiles/msvc.mak
@@ -143,7 +143,7 @@ PERLREQ = x86\insnsb.c x86\insnsa.c x86\insnsd.c x86\insnsi.h x86\insnsn.c \
x86\iflag.c x86\iflaggen.h \
macros\macros.c \
asm\pptok.ph asm\directbl.c asm\directiv.h \
- asm\warnings.c include\warnings.h \
+ asm\warnings.c include\warnings.h doc\warnings.src \
version.h version.mac version.mak nsis\version.nsh
INSDEP = x86\insns.dat x86\insns.pl x86\insns-iflags.ph x86\iflags.ph
diff --git a/Mkfiles/openwcom.mak b/Mkfiles/openwcom.mak
index 82ce05ac..73e0d1bc 100644
--- a/Mkfiles/openwcom.mak
+++ b/Mkfiles/openwcom.mak
@@ -156,7 +156,7 @@ PERLREQ = x86\insnsb.c x86\insnsa.c x86\insnsd.c x86\insnsi.h x86\insnsn.c &
x86\iflag.c x86\iflaggen.h &
macros\macros.c &
asm\pptok.ph asm\directbl.c asm\directiv.h &
- asm\warnings.c include\warnings.h &
+ asm\warnings.c include\warnings.h doc\warnings.src &
version.h version.mac version.mak nsis\version.nsh
INSDEP = x86\insns.dat x86\insns.pl x86\insns-iflags.ph x86\iflags.ph
diff --git a/doc/changes.src b/doc/changes.src
index c1e7451a..29f190d4 100644
--- a/doc/changes.src
+++ b/doc/changes.src
@@ -7,6 +7,15 @@
The NASM 2 series supports x86-64, and is the production version of NASM
since 2007.
+\S{cl-2.15.01} Version 2.15.01
+
+\b Fix building the documentation from the release archive. For 2.15,
+the user has to do \c{make warnings} manually in the main directory in
+order to be able to build the documentation, which means Perl needs to
+be installed on the system.
+
+\b Add instructions for Intel Control Flow Enforcement Technology (CET).
+
\S{cl-2.15} Version 2.15
\b The comparison and booleanizing operators can now be used in any
diff --git a/doc/nasmdoc.src b/doc/nasmdoc.src
index 8d815396..86b2c826 100644
--- a/doc/nasmdoc.src
+++ b/doc/nasmdoc.src
@@ -475,29 +475,38 @@ Use this option to specify listing output details.
Supported options are:
-\c{-Lb} show builtin macro packages (standard and \c{%use})
+\b \c{-Lb} show builtin macro packages (standard and \c{%use})
-\c{-Ld} show byte and repeat counts in decimal, not hex
+\b \c{-Ld} show byte and repeat counts in decimal, not hex
-\c{-Le} show the preprocessed input
+\b \c{-Le} show the preprocessed input
-\c{-Lf} ignore \c{.nolist} and force listing output
+\b \c{-Lf} ignore \c{.nolist} and force listing output
-\c{-Lm} show multi-line macro calls with expanded parameters
+\b \c{-Lm} show multi-line macro calls with expanded parameters
-\c{-Lp} output a list file in every pass, in case of errors
+\b \c{-Lp} output a list file in every pass, in case of errors
-\c{-Ls} show all single-line macro definitions
+\b \c{-Ls} show all single-line macro definitions
-\c{-Lw} flush the output after every line (very slow!)
+\b \c{-Lw} flush the output after every line (very slow!)
-\c{-L+} enable \e{all} listing options
+\b \c{-L+} enable \e{all} listing options
These options can be enabled or disabled at runtime using the
\c{%pragma list options} directive:
\c %pragma list options [+|-]flags...
+For example, to turn on the \c{d} and \c{m} flags but disable the
+\c{s} flag:
+
+\c %pragma list options +dm -s
+
+For forward compatility reasons, an undefined flag will be
+ignored. Thus, a new flag introduced in a newer version of NASM can be
+specified without breaking older versions. Listing flags will always
+be a single alphanumeric character and are case sensitive.
\S{opt-M} The \i\c{-M} Option: Generate \i{Makefile Dependencies}
@@ -910,7 +919,7 @@ Running this:
\c nasm -f macho --pragma "macho gprefix _"
-is equivalent to the example in \k{opt-pfix}.
+is equivalent to the example in \k{opt-pfix}. See \k{pragma}.
\S{opt-before} The \i\c{--before} Option
@@ -923,10 +932,13 @@ shown in \k{opt-pragma} is the same as running this:
\S{opt-limit} The \i\c{--limit-X} Option
-This option allows user to setup various maximum values for these:
+This option allows user to setup various maximum values after which
+NASM will terminate with a fatal error rather than consume arbitrary
+amount of compute time. Each limit can be set to a positive number or
+\c{unlimited}.
\b\c{--limit-passes}: Number of maximum allowed passes. Default is
-effectively unlimited.
+\c{unlimited}.
\b\c{--limit-stalled-passes}: Maximum number of allowed unfinished
passes. Default is 1000.
@@ -946,13 +958,18 @@ under \c{%rep}. Default is 1000000.
\b\c{--limit-eval}: This number sets the boundary condition of allowed
expression length. Default is 8192 on most systems.
-\b\c{--limit-lines}: Total number of source lines as allowed to be
+\b\c{--limit-lines}: Total number of source lines allowed to be
processed. Default is 2000000000.
-In example, running this limits the maximum line count to be 1000.
+For example, set the maximum line count to 1000:
\c nasm --limit-lines 1000
+Limits can also be set via the directive \c{%pragma limit}, for
+example:
+
+\c %pragma limit lines 1000
+
\S{opt-keep-all} The \i\c{--keep-all} Option
@@ -2492,23 +2509,37 @@ includes backwards compatibility aliases defined by NASM itself.
To disable aliases without undefining them, use the \c{%aliases off}
directive.
-To check whether an alias is defined, use \c{%ifdefalias}.
+To check whether an alias is defined, regardless of the existence of
+the aliased macro, use \c{%ifdefalias}.
-This
+For example:
+\c %defalias OLD NEW
+\c ; OLD and NEW both undefined
+\c %define NEW 123
+\c ; OLD and NEW both 123
+\c %undef OLD
+\c ; OLD and NEW both undefined
+\c %define OLD 456
+\c ; OLD and NEW both 456
+\c %undefalias OLD
+\c ; OLD undefined, NEW defined to 456
\S{cond-comma} \i{Conditional Comma Operator}: \i\c{%,}
-As of version 2.15, NASM has conditional comma operator \c{%,} that expands to a
-comma unless followed by a null expansion, which allows suppressing the comma before an
-empty argument. For example, all the expressions below are valid:
+As of version 2.15, NASM has a conditional comma operator \c{%,} that
+expands to a comma \e{unless} followed by a null expansion, which
+allows suppressing the comma before an empty argument. This is
+especially useful with greedy single-line macros.
+
+For example, all the expressions below are valid:
\c %define greedy(a,b,c+) a + 66 %, b * 3 %, c
\c
-\c db greedy(1,2)
-\c db greedy(1,2,3)
-\c db greedy(1,2,3,4)
-\c db greedy(1,2,3,4,5)
+\c db greedy(1,2) ; db 1 + 66, 2 * 3
+\c db greedy(1,2,3) ; db 1 + 66, 2 * 3, 3
+\c db greedy(1,2,3,4) ; db 1 + 66, 2 * 3, 3, 4
+\c db greedy(1,2,3,4,5) ; db 1 + 66, 2 * 3, 3, 4, 5
\H{strlen} \i{String Manipulation in Macros}
@@ -3402,8 +3433,8 @@ infinite loop in the preprocessor, which (on multitasking or
multi-user systems) would typically cause all the system memory to
be gradually used up and other applications to start crashing.
-Note a maximum repeat count is limited by 62 bit number, though it
-is hardly possible that you ever need anything bigger.
+Note the maximum repeat count is limited to the value specified by the
+\c{--limit-rep} option or \c{%pragma limit rep}, see \k{opt-limit}.
\H{files} Source Files and Dependencies
diff --git a/tools/release b/tools/release
index 16e35811..f353425a 100755
--- a/tools/release
+++ b/tools/release
@@ -66,7 +66,7 @@ mv nasm-"$version".tar.gz nasm-"$version".tar.bz2 nasm-"$version".tar.xz ..
# Create zipfile (DOS convention: no prefix, convert file endings)
cd nasm-"$version"
-binext='jpg zip ico png pdf bin o obj exe com'
+binext='jpg zip ico png pdf bin o obj exe com a lib xz'
for e in $binext; do
xbin="$xbin -x *.$e -x *.$e.t"
ibin="$ibin -i *.$e -i *.$e.t"
diff --git a/x86/iflags.ph b/x86/iflags.ph
index 8f0a80fd..2c05b293 100644
--- a/x86/iflags.ph
+++ b/x86/iflags.ph
@@ -83,6 +83,7 @@ if_("AVX512VPOPCNTDQ", "AVX-512 VPOPCNTD/VPOPCNTQ");
if_("AVX5124FMAPS", "AVX-512 4-iteration multiply-add");
if_("AVX5124VNNIW", "AVX-512 4-iteration dot product");
if_("SGX", "Intel Software Guard Extensions (SGX)");
+if_("CET", "Intel Control-Flow Enforcement Technology (CET)");
# Put these last [hpa: why?]
if_("OBSOLETE", "Instruction removed from architecture");
diff --git a/x86/insns.dat b/x86/insns.dat
index a59c5306..980c5943 100644
--- a/x86/insns.dat
+++ b/x86/insns.dat
@@ -5983,6 +5983,22 @@ ENCLS void [ np 0f 01 cf] SGX,FUTURE
ENCLU void [ np 0f 01 d7] SGX,FUTURE
ENCLV void [ np 0f 01 c0] SGX,FUTURE
+;# Intel Control-Flow Enforcement Technology (CET)
+CLRSSBSY mem64 [m: f3 0f ae /6] CET,FUTURE
+ENDBR32 void [ f3 0f 1e fb] CET,FUTURE
+ENDBR64 void [ f3 0f 1e fa] CET,FUTURE
+INCSSPD reg32 [m: o32 f3 0f ae /5] CET,FUTURE
+INCSSPQ reg64 [m: o64 f3 0f ae /5] CET,FUTURE,X64
+RDSSPD reg32 [m: o32 f3 0f 1e /1] CET,FUTURE
+RDSSPQ reg64 [m: o64 f3 0f 1e /1] CET,FUTURE,X64
+RSTORSSP mem64 [m: f3 0f 01 /5] CET,FUTURE
+SAVEPREVSSP void [ f3 0f 01 ea] CET,FUTURE
+SETSSBSY void [ f3 0f 01 e8] CET,FUTURE
+WRUSSD mem,reg32 [mr: o32 66 0f 38 f5 /r] CET,FUTURE
+WRUSSQ mem,reg64 [mr: o64 66 0f 38 f5 /r] CET,FUTURE,X64
+WRSSD mem,reg32 [mr: o32 0f 38 f6 /r] CET,FUTURE
+WRSSQ mem,reg64 [mr: o64 0f 38 f6 /r] CET,FUTURE,X64
+
;# Systematic names for the hinting nop instructions
; These should be last in the file
HINT_NOP0 rm16 [m: o16 0f 18 /0] P6,UNDOC