| blob | 955a4d7b26ff8e9268cf89949617033b116b2fe3 |
1 v0.4 (2007-09-15)
2 =================
4 I have tagged and tarballed Sparse 0.4, now available from
5 http://kernel.org/pub/software/devel/sparse/dist/sparse-0.4.tar.gz,
6 with sha1sum a77a10174c8cdb5314eb5000c1e4f24458848b91.
8 Highlights and visible changes in this release:
10 * The Sparse validation files have become an automated test suite, invoked via 'make check'. Thanks to Damien Lespiau for the initial 'test-suite' script. Also thanks to Pavel Roskin for ideas, discussion, and prototyping, and to the contributors of new test cases and test-suite metadata for existing test cases.
11 * New backend 'c2xml' by Rob Taylor, which outputs an XML representation of the variable declarations, function declarations, and data structures in a C file.
12 * 'sparse' and 'cgcc' now have manpages.
13 * Warning changes:
14 * Warn on 'return <void expression>;' if given '-Wreturn-void'; off by default because the C99 standard permits this.
15 * Sparse now defaults to -Wno-do-while.
16 * Sparse now defaults to -Wdecl.
17 * -Wno-old-initializer turns off warnings about non-C99 struct initializers
18 * -Wno-non-pointer-null turns off warnings about using a plain integer as a NULL pointer
19 * Initializer entries defined twice and bitfields without explicit signs have changed from errors to warnings.
20 * 'cgcc' no longer passes '-Wall' to 'sparse' if given '-Wall' on the command line. '-Wall' turns on all Sparse warnings, including experimental and noisy ones. Don't include it just because a project wants to pass '-Wall' to 'cc'. If you really want 'cgcc' to run 'sparse' with '-Wall', set 'CHECK='sparse -Wall''
21 * Support for more builtin functions: '__builtin_labs', '__builtin_offsetof', '__builtin_strcat', '__builtin_strncat', and '__builtin_strlen'.
22 * Support for more attributes: 'constructor', 'destructor', '__always_inline__', '__noinline__', 'used', '__syscall_linkage__', 'format_arg', 'cdecl', 'stdcall', 'fastcall', 'dllimport', and 'dllexport'.
23 * Support for the '__DATE__' and '__TIME__' preprocessor symbols.
24 * Support for '__alignof' (treated like the existing '__alignof__').
25 * typeof(bitwise_type) now produces the same type, not an incompatible type; thanks to Al Viro.
26 * Various profile-driven optimizations and changes to compiler optimization flags, making Sparse significantly faster.
27 * Numerous fixes to C standards compliance, thanks to Al Viro. In particular:
28 * Sparse now requires integer constant expressions in various places, not arbitrary expressions.
29 * Sparse now handles NULL pointer constants more correctly.
30 * Sparse now resolves pointer types more correctly in conditional expressions
31 * The 'graph' backend now outputs significantly better program graphs, and the Sparse source code includes some 'gvpr' scripts to modify these graphs in various ways, such as only showing the callers or callees of particular functions. Thanks to Dan Sheridan.
32 * Linux-style 'make' output; for a more verbose make with full command lines, 'make V=1'. Thanks to Damien Lespiau.
33 * Numerous bugfixes and internal cleanups; thanks to the many Sparse contributors.
35 Full changelog:
37 Al Viro (51):
38 * handle __alignof as equivalent of __alignof__
39 * saner reporting of overlaps in initializers
40 * check for whitespace before object-like macro body
41 * fix alignment for _Bool
42 * fix interaction of typeof with bitwise types
43 * better recovery from bad operations on bitwise
44 * make copying of EXPR_INDEX non-lazy
45 * tie the fields of struct in simple list
46 * rewrite of initializer handling
47 * fix handling of typeof on structs
48 * missing NULL checks in initializer handling
49 * take cast_to() out of usual_conversions(), do it in callers
50 * mechanically split compatible_assignment_types()
51 * null pointer constants have no special meaning for pointer subtraction
52 * remove long-dead variable in evaluate_ptr_add()
53 * remove useless argument in evaluate_ptr_sub()
54 * cleanup of evaluate_assign_op()
55 * clean up the typechecking in arithmetics
56 * clean up usual_conversions(), kill evaluate_shift()
57 * fix index conversions in evaluate_ptr_add()
58 * fix default argument promotion
59 * move degenerate() down into compatible_assignment_types()
60 * in case of compound literal we want to delay examining type
61 * warn on return <void expression>;
62 * deal with enum members without excessive PITA
63 * implement __builtin_offsetof()
64 * fix handling of integer constant expressions
65 * fix the comma handling in integer constant expressions
66 * first pass at null pointer constants
67 * make size_t better approximate the reality
68 * fix handling of address_space in casts and assignments
69 * fix handling of pointers in ?:
70 * saner show_type()
71 * clean up evaluate_sign()
72 * integer_promotions() can't get SYM_NODE or SYM_ENUM
73 * start cleaning type_difference()
74 * get compatible_assignment_types() deal with all cases
75 * fix the sanity check in evaluate_ptr_sub()
76 * rewrite type_difference()
77 * deal correctly with qualifiers on arrays
78 * add __builtin_strlen()
79 * no such thing as array of functions
80 * new helper: unfoul()
81 * handling of typeof in evaluate_member_dereference()
82 * file and global scopes are the same for purposes of struct redefining
83 * ...,array should degenerate
84 * sanitize evaluate_ptr_add(), start checking for pointers to functions
85 * fix evaluate_compare()
86 * sanitize evaluate_postop()
87 * saner -Wtypesign
88 * braino in conditional_expression()
90 Alberto Bertogli (1):
91 * Implement x86-64 support in cgcc.
93 Alexey Dobriyan (2):
94 * Fix infinite loop in free_preprocessor_line()
95 * Fix -E handling
97 Christopher Li (2):
98 * combinations string clean up
99 * Pass a bitmask of keywords to handle_attributes
101 Damien Lespiau (6):
102 * Change sparse homepage in ctags headers.
103 * __DATE__ & __TIME expansion
104 * Beautify all & install Makefile targets
105 * test-suite: a tiny test automation script
106 * test-suite documentation
107 * Sample test-suite test cases
109 Dan Sheridan (2):
110 * Improved graph generation using subgraph clusters for functions
111 * Add gvpr-based post-processing for graphs
113 Josh Triplett (118):
114 * Fix website and repository references in FAQ
115 * Fix the version number
116 * Remove old version note.
117 * gitweb lives at git.kernel.org now.
118 * Add a "make dist" that requires $(VERSION) to match 'git describe'
119 * Add test case for __asm__ __volatile__(...)
120 * Make cgcc not pass -Wall to sparse even if passing it to cc
121 * Teach cgcc about all currently existing sparse warning options
122 * Teach cgcc about -ventry and -vdead
123 * Parse asm after a label as a statement, not an attribute
124 * Add test case for stdcall and cdecl attributes.
125 * Add -Wno-old-initializer to turn off warnings about non-C99 struct initializers
126 * Add test case for -Wno-old-initializer
127 * Revert unintentional inclusion of warning fix in previous commit.
128 * Use %td when printing a ptrdiff_t to avoid problems on 64-bit platforms
129 * Remove extra space.
130 * Add shebang to gvpr scripts, make them executable, and change usage accordingly
131 * Fix an __attribute__() parsing error
132 * Expand calling convention test case to cover fastcall
133 * Add -Wno-non-pointer-null to turn off warning about using a plain integer as a NULL pointer
134 * Add __builtin_strcat and __builtin_strncat.
135 * Ignore the GCC constructor and destructor attributes
136 * Remove inaccurate comment designating some attributes as windows-specific.
137 * Move the ident for defined() into the preprocessor section.
138 * Reorganize attribute list for readability.
139 * Add double-underscore variant __always_inline__.
140 * Add double-underscore variant __noinline__.
141 * Add no-double-underscore variant "used", ignored like "__used__".
142 * Add double-underscore variant __syscall_linkage__.
143 * Add no-double-underscore variant format_arg.
144 * Add explanatory comment about direct use of __IDENT for preprocessor idents.
145 * Sparse always defines __STDC__ 1, so cgcc does not need to do so
146 * Fix old typo: s/wierd/weird/
147 * Canonicalize URL in FAQ: add www., add trailing slash
148 * Change "LD" to "LINK" in Makefile prettyprinting.
149 * Makefile prettyprinting: make INSTALL and other output line up correctly
150 * Add test case for infinite loop in free_preprocessor_line()
151 * Turn on -Wdecl by default.
152 * ctags: Use const as appropriate in cmp_sym()
153 * validation/old-initializer.c: Make the_s static to avoid extraneous warning.
154 * validation/restricted-typeof.c: Make globals static to avoid extraneous warnings.
155 * validation/escapes.c: Make globals static to avoid extraneous warnings.
156 * validation/non-pointer-null.c: Make global static to avoid extraneous warning.
157 * Merge commit 'viro/integer-constant'
158 * Move all the preprocessor tests into validation/preprocessor/
159 * Move test-suite output files to validation/.gitignore
160 * .gitignore: Stop ignoring all dotfiles
161 * validation: Update comments for current Sparse behavior and test-suite.
162 * Add test-suite comments to all the obvious preprocessor tests
163 * Make preprocessor-loop a normal numbered preprocessor test
164 * Add test-suite comment to preprocessor21.
165 * Add test-suite comment to address_space.c
166 * Make clean depend on clean-check
167 * Rename asm-volatile to better describe what it tests
168 * Add test-suite comment to label-asm.c
169 * Remove "check-exit-value: 0" and rely on default; remove extra blank line.
170 * Add test-suite comment to bad-array-designated-initializer.c
171 * Add c2xml to .gitignore
172 * Split c2xml build rule into compile and link stages, and add the quiet prefixes
173 * expression.h needs lib.h for struct position and symbol.h for int_ctype
174 * Fix GCC warnings in c2xml
175 * Fix sparse warnings in c2xml: mark globals static and remove unused globals
176 * Fix test-suite to handle stdout and stderr separately, and fix up tests
177 * Add test-suite metadata to bad-cast.c
178 * Add test-suite metadata to bad-ternary-cond.c, and remove now-redundant comment
179 * Add test-suite metadata to initializer-entry-defined-twice.c
180 * Add test-suite metadata to context.c
181 * Add test-suite metadata to escapes.c
182 * Add test-suite metadata to calling-convention-attributes.c
183 * Fix typos in test-suite documentation
184 * Makefile: stop cleaning files we didn't make and have no business cleaning
185 * Add test-suite metadata to old-initializer.c; also test with -Wno-initializer
186 * allocate.h: Stop needlessly returning a void value in __DO_ALLOCATOR
187 * Turn off -Wdo-while by default.
188 * Add test-suite metadata to label-attr.c
189 * validation/builtin_safe1.c: Show the unsafe macro argument
190 * Make "Initializer entry defined twice" a warning, not an error
191 * Remove explicit restatements of defaults in metadata for member_of_typeof test
192 * Remove explicit restatements of defaults in metadata for outer-scope test
193 * Remove explicit restatements of defaults in metadata for comma test
194 * Add test case for comparing null pointer constant to int.
195 * Makefile: Use -O2 -finline-functions, not just -O
196 * cse: Size insn_hash_table more realistically, speeding up CSE significantly
197 * Add some missing dependencies in the Makefile
198 * Drop -fpic; it hurts performance and we don't build libsparse.so by default
199 * Add another test case to validation/comma.c
200 * ctags: Handle some new namespaces and symbol types.
201 * is_zero_constant: declare saved const
202 * Add test case for -Wtypesign
203 * Sort warning options in lib.c and lib.h
204 * Rename Wcast_to_address_space to Wcast_to_as to match the command-line argument
205 * Add a manpage for sparse
206 * Install the Sparse manpage
207 * cgcc: Sparse accepts -Wcast-to-as, not -Wcast-to-address-space
208 * Rename Wundefined_preprocessor to Wundef to match the command-line argument
209 * cgcc: Sparse accepts -Wundef, not -Wundefined-preprocessor
210 * Use -fno-strict-aliasing, as the ptrlist code seems to violate C99 strict aliasing rules
211 * Add test-suite annotations to restricted-typeof.c
212 * Add test-suite annotations to double-semicolon.c
213 * Add test-suite annotations to check_byte_count-ice.c
214 * Add test-suite annotations to badtype4.c
215 * Add test-suite annotations to varargs1.c
216 * Add test-suite annotations to struct-attribute-placement.c
217 * Add test-suite annotations to non-pointer-null.c
218 * Add test-suite annotations to struct-ns1.c
219 * Add test-suite annotations to noderef.c
220 * Makefile: Use ?= to allow overriding OS or AR on the Make command line
221 * FAQ: Point to URL on vger for subscription instructions and archives
222 * README: recode from ISO-8859-1 to UTF-8
223 * validation: Rename typeconvert.c to integer-promotions.c to match its purpose
224 * Add test-suite annotations to integer-promotions.c
225 * Add test-suite annotations to cond_expr.c
226 * Add test-suite annotations to function-pointer-modifier-inheritance.c
227 * validation: Update comment in type1.c to reflect current state of Sparse
228 * Add test-suite annotations to init-char-array.c
229 * Add a manpage for cgcc
230 * Add SEE ALSO for cgcc in sparse manpage
231 * Makefile: VERSION=0.4
233 Kovarththanan Rajaratnam (1):
234 * libxml compile fix on Cygwin
236 Michael Stefaniuc (3):
237 * Ignore the cdecl and stdcall attributes for now.
238 * Add test for typedef on pointer to function with stdcall attribute.
239 * '\?' is a valid escape character defined by ANSI C. Its value is '?'.
241 Mike Frysinger (1):
242 * Makefile: improve flag handling
244 Pavel Roskin (5):
245 * Improve error message if using a member of an incomplete struct or union
246 * Bitfield without explicit sign should be a warning, not an error
247 * cgcc: preserve sparse exit code if -no-compile is used
248 * Avoid use of libc headers in the validation suite
249 * Fix warnings about undeclared globals, they are irrelevant to the test
251 Ramsay Jones (2):
252 * Add (more) support for WIN32 attribute names
253 * Add cygwin support to cgcc
255 Randy Dunlap (1):
256 * add __builtin_labs()
258 Rob Taylor (4):
259 * add end position to symbols
260 * add sparse_keep_tokens api to lib.h
261 * new get_type_name function
262 * add c2xml program
264 Yura Pakhuchiy (1):
265 * Make cgcc filter out all sparse warning related options
267 ricknu-0@student.ltu.se (4):
268 * tokenize.c: Replace handwritten strncmp with existing function.
269 * expression.c: Clean up match_oplist() and add missing va_end()
270 * parse.c: Adding va_end().
271 * tokenize.c: Simplify drop_stream_eoln().
273 -- Josh Triplett