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re PR c++/40831 (g++ generated symbols for cloned function that be demangled.)
include/ChangeLog: PR 40831 * demangle.h (enum demangle_component_type): Add DEMANGLE_COMPONENT_CLONE. libiberty/ChangeLog: PR 40831 * cp-demangle.c (d_make_comp): Add new component type. (cplus_demangle_mangled_name): Check for clone suffixes. (d_parmlist): Don't error out if we see '.'. (d_clone_suffix): New function. (d_print_comp): Print info for clone suffixes. * testsuite/demangle-expected: Add new testcases. From-SVN: r179132
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Cary Coutant
Cary Coutant
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2d2b02c4da
@ -1,3 +1,9 @@
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2011-09-23 Cary Coutant <ccoutant@google.com>
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PR 40831
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* demangle.h (enum demangle_component_type): Add
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DEMANGLE_COMPONENT_CLONE.
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2011-07-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* xregex.h (regoff_t): Define.
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@ -402,7 +402,9 @@ enum demangle_component_type
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/* An unnamed type. */
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DEMANGLE_COMPONENT_UNNAMED_TYPE,
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/* A pack expansion. */
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DEMANGLE_COMPONENT_PACK_EXPANSION
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DEMANGLE_COMPONENT_PACK_EXPANSION,
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/* A cloned function. */
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DEMANGLE_COMPONENT_CLONE
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};
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/* Types which are only used internally. */
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@ -1,3 +1,13 @@
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2011-09-23 Cary Coutant <ccoutant@google.com>
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PR 40831
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* cp-demangle.c (d_make_comp): Add new component type.
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(cplus_demangle_mangled_name): Check for clone suffixes.
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(d_parmlist): Don't error out if we see '.'.
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(d_clone_suffix): New function.
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(d_print_comp): Print info for clone suffixes.
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* testsuite/demangle-expected: Add new testcases.
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2011-09-23 Ian Lance Taylor <iant@google.com>
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* md5.c (md5_process_bytes): Correct handling of unaligned
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@ -417,6 +417,9 @@ static struct demangle_component *d_lambda (struct d_info *);
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static struct demangle_component *d_unnamed_type (struct d_info *);
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static struct demangle_component *
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d_clone_suffix (struct d_info *, struct demangle_component *);
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static int
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d_add_substitution (struct d_info *, struct demangle_component *);
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@ -802,6 +805,7 @@ d_make_comp (struct d_info *di, enum demangle_component_type type,
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case DEMANGLE_COMPONENT_LITERAL_NEG:
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case DEMANGLE_COMPONENT_COMPOUND_NAME:
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case DEMANGLE_COMPONENT_VECTOR_TYPE:
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case DEMANGLE_COMPONENT_CLONE:
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if (left == NULL || right == NULL)
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return NULL;
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break;
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@ -1034,7 +1038,7 @@ d_make_sub (struct d_info *di, const char *name, int len)
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return p;
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}
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/* <mangled-name> ::= _Z <encoding>
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/* <mangled-name> ::= _Z <encoding> [<clone-suffix>]*
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TOP_LEVEL is non-zero when called at the top level. */
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@ -1042,6 +1046,8 @@ CP_STATIC_IF_GLIBCPP_V3
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struct demangle_component *
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cplus_demangle_mangled_name (struct d_info *di, int top_level)
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{
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struct demangle_component *p;
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if (! d_check_char (di, '_')
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/* Allow missing _ if not at toplevel to work around a
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bug in G++ abi-version=2 mangling; see the comment in
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@ -1050,7 +1056,18 @@ cplus_demangle_mangled_name (struct d_info *di, int top_level)
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return NULL;
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if (! d_check_char (di, 'Z'))
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return NULL;
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return d_encoding (di, top_level);
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p = d_encoding (di, top_level);
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/* If at top level and parsing parameters, check for a clone
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suffix. */
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if (top_level && (di->options & DMGL_PARAMS) != 0)
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while (d_peek_char (di) == '.'
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&& (IS_LOWER (d_peek_next_char (di))
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|| d_peek_next_char (di) == '_'
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|| IS_DIGIT (d_peek_next_char (di))))
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p = d_clone_suffix (di, p);
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return p;
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}
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/* Return whether a function should have a return type. The argument
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@ -2354,7 +2371,7 @@ d_parmlist (struct d_info *di)
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struct demangle_component *type;
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char peek = d_peek_char (di);
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if (peek == '\0' || peek == 'E')
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if (peek == '\0' || peek == 'E' || peek == '.')
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break;
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type = cplus_demangle_type (di);
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if (type == NULL)
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@ -3082,6 +3099,33 @@ d_unnamed_type (struct d_info *di)
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return ret;
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}
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/* <clone-suffix> ::= [ . <clone-type-identifier> ] [ . <nonnegative number> ]*
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*/
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static struct demangle_component *
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d_clone_suffix (struct d_info *di, struct demangle_component *encoding)
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{
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const char *suffix = d_str (di);
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const char *pend = suffix;
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struct demangle_component *n;
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if (*pend == '.' && (IS_LOWER (pend[1]) || pend[1] == '_'))
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{
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pend += 2;
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while (IS_LOWER (*pend) || *pend == '_')
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++pend;
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}
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while (*pend == '.' && IS_DIGIT (pend[1]))
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{
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pend += 2;
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while (IS_DIGIT (*pend))
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++pend;
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}
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d_advance (di, pend - suffix);
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n = d_make_name (di, suffix, pend - suffix);
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return d_make_comp (di, DEMANGLE_COMPONENT_CLONE, encoding, n);
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}
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/* Add a new substitution. */
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static int
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@ -4463,6 +4507,13 @@ d_print_comp (struct d_print_info *dpi, int options,
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d_append_char (dpi, '}');
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return;
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case DEMANGLE_COMPONENT_CLONE:
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d_print_comp (dpi, options, d_left (dc));
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d_append_string (dpi, " [clone ");
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d_print_comp (dpi, options, d_right (dc));
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d_append_char (dpi, ']');
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return;
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default:
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d_print_error (dpi);
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return;
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@ -4151,3 +4151,50 @@ DFA
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--format=auto
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_ZN3Psi7VariantIIcPKcEE5visitIIRZN11VariantTest9TestVisit11test_methodEvEUlS2_E0_RZNS6_11test_methodEvEUlcE1_RZNS6_11test_methodEvEUlNS_4NoneEE_EEENS_13VariantDetail19SelectVisitorResultIIDpT_EE4typeEDpOSG_
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Psi::VariantDetail::SelectVisitorResult<VariantTest::TestVisit::test_method()::{lambda(char const*)#2}&, VariantTest::TestVisit::test_method()::{lambda(char)#3}&, VariantTest::TestVisit::test_method()::{lambda(Psi::None)#1}&>::type Psi::Variant<char, char const*>::visit<VariantTest::TestVisit::test_method()::{lambda(char const*)#2}&, VariantTest::TestVisit::test_method()::{lambda(char)#3}&, VariantTest::TestVisit::test_method()::{lambda(Psi::None)#1}&>((VariantTest::TestVisit::test_method()::{lambda(Psi::None)#1}&)...)
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#
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# Clone suffix tests
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#
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--format=gnu-v3 --no-params
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_Z3fo5n.clone.1
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fo5(__int128) [clone .clone.1]
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fo5
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#
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--format=gnu-v3 --no-params
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_Z3fo5n.constprop.2
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fo5(__int128) [clone .constprop.2]
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fo5
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#
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--format=gnu-v3 --no-params
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_Z3fo5n.isra.3
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fo5(__int128) [clone .isra.3]
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fo5
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#
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--format=gnu-v3 --no-params
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_Z3fo5n.part.4
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fo5(__int128) [clone .part.4]
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fo5
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#
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--format=gnu-v3 --no-params
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_Z12to_be_clonediPv.clone.0
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to_be_cloned(int, void*) [clone .clone.0]
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to_be_cloned
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#
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--format=gnu-v3 --no-params
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_Z3fooi.1988
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foo(int) [clone .1988]
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foo
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#
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--format=gnu-v3 --no-params
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_Z3fooi.part.9.165493.constprop.775.31805
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foo(int) [clone .part.9.165493] [clone .constprop.775.31805]
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foo
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#
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--format=gnu-v3 --no-params
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_Z2f1IiEvT_S0_S0_._omp_fn.2
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void f1<int>(int, int, int) [clone ._omp_fn.2]
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f1<int>
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#
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--format=gnu-v3 --no-params
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_Z3fooi._omp_cpyfn.6
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foo(int) [clone ._omp_cpyfn.6]
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foo
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