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- Log ----------------------------------------------------------------- commit 643024b50a9f33f2841479e31484917378c13e20 Author: H.J. Lu hjl.tools@gmail.com Date: Mon Jul 6 14:01:44 2015 -0700

Add make_pattern_elf_type

diff --git a/gcc/testsuite/lib/scanasm.exp b/gcc/testsuite/lib/scanasm.exp index e6638c3..cf3c128 100644 --- a/gcc/testsuite/lib/scanasm.exp +++ b/gcc/testsuite/lib/scanasm.exp @@ -24,6 +24,15 @@ proc make_pattern_printable { pattern } { return [string map {\t \t \n \n \r \r \ \\} $pattern] }

+# Transform a symbol into its ELF .type directive pattern. +proc make_pattern_elf_type { pattern } { + if [string match "[a-zA-Z]*" $pattern] { + return ".type[^\n]*$pattern, (%|@)(function|object)" + } else { + return "$pattern" + } +} + # Scan the OUTPUT_FILE for a pattern. If it is present and POSITIVE # is non-zero, or it is not present and POSITIVE is zero, the test # passes. The ORIG_ARGS is the list of arguments provided by dg-final @@ -230,6 +239,7 @@ proc scan-assembler-times { args } {

set testcase [testname-for-summary] set pattern [lindex $args 0] + set pattern_elf_type [make_pattern_elf_type $pattern] set pp_pattern [make_pattern_printable $pattern]

# This must match the rule in gcc-dg.exp. @@ -246,7 +256,12 @@ proc scan-assembler-times { args } { set text [read $fd] close $fd

- if { [llength [regexp -inline -all -- $pattern $text]] == [lindex $args 1]} { + set total_lines [llength [regexp -inline -all -- $pattern $text]] + set elf_type_lines [llength [regexp -inline -all -- $pattern_elf_type $text]] + set lines [expr $total_lines - $elf_type_lines] + set expected_lines [lindex $args 1] + + if { $lines == $expected_lines } { pass "$testcase scan-assembler-times $pp_pattern [lindex $args 1]" } else { fail "$testcase scan-assembler-times $pp_pattern [lindex $args 1]"

commit 8aec26f847bf0e62abd9edbe1a1a4afad44324e2 Author: H.J. Lu hjl.tools@gmail.com Date: Sun Jul 5 08:58:28 2015 -0700

Output ELF symbol type for undefined symbols

Update default_elf_asm_output_external to also output symbol type to help ELF linker properly issue diagnostic message. We don't output symbol type for reference to external TLS symbol since assembler will generate TLS symbol type based on TLS relocation and Solaris assembler only supports the @tls_obj type directive, not the @tls_object type directive used by GNU assmbler, which doesn't understand the @tls_obj type directive.

gcc/

PR target/35514 * varasm.c (default_elf_asm_output_external): Also output symbol type.

gcc/testsuite/

PR target/35514 * lib/target-supports.exp (check_effective_target_elf): New. * gcc.dg/pr35514-1.c: New file. * gcc.dg/pr35514-2.c: Likewise.

diff --git a/gcc/testsuite/gcc.dg/pr35514-1.c b/gcc/testsuite/gcc.dg/pr35514-1.c new file mode 100644 index 0000000..43eeec4 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr35514-1.c @@ -0,0 +1,16 @@ +/* { dg-do compile { target { elf } } } */ +/* { dg-options "-O2" } */ +/* { dg-final { scan-assembler ".type[^\n]*object, (%|@)object" } } */ +/* { dg-final { scan-assembler ".type[^\n]*function, (%|@)function" } } */ + +/* Verify that we generate proper symbol types for external reference. */ + +extern int object; +void function (void); + +int +foo (void) +{ + function (); + return object; +} diff --git a/gcc/testsuite/gcc.dg/pr35514-2.c b/gcc/testsuite/gcc.dg/pr35514-2.c new file mode 100644 index 0000000..d915bf5 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr35514-2.c @@ -0,0 +1,14 @@ +/* { dg-do compile { target { elf } } } */ +/* { dg-require-effective-target tls } */ +/* { dg-options "-O2" } */ +/* { dg-final { scan-assembler-not ".type[^\n]*object, (%|@)object" } } */ + +/* Verify that we generate proper symbol types for external reference. */ + +extern __thread int object; + +int +foo (void) +{ + return object; +} diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp index bf512e9..c3ec209 100644 --- a/gcc/testsuite/lib/target-supports.exp +++ b/gcc/testsuite/lib/target-supports.exp @@ -6349,3 +6349,23 @@ proc check_effective_target_comdat_group {} { int (*fn) () = foo; }] } + +# Returns 1 if the target is ELF. + +proc check_effective_target_elf { } { + global check_effective_target_elf_saved + global tool + + if [info exists check_effective_target_elf_saved] { + verbose "check_effective_target_elf returning saved $check_effective_target_elf_saved" 2 + } else { + set objformat [gcc_target_object_format] + if { $objformat == "elf" } { + set check_effective_target_elf_saved 1 + } else { + set check_effective_target_elf_saved 0 + } + verbose "check_effective_target_elf returning $check_effective_target_elf_saved" 2 + } + return $check_effective_target_elf_saved +} diff --git a/gcc/varasm.c b/gcc/varasm.c index 3e76032..12f36f3 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -7509,7 +7509,7 @@ elf_record_gcc_switches (print_switch_type type, const char * name) }

/* Emit text to declare externally defined symbols. It is needed to - properly support non-default visibility. */ + properly support non-default visibility and specify symbol type. */ void default_elf_asm_output_external (FILE *file ATTRIBUTE_UNUSED, tree decl, @@ -7518,10 +7518,22 @@ default_elf_asm_output_external (FILE *file ATTRIBUTE_UNUSED, /* We output the name if and only if TREE_SYMBOL_REFERENCED is set in order to avoid putting out names that are never really used. Always output visibility specified in the source. */ - if (TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl)) - && (DECL_VISIBILITY_SPECIFIED (decl) - || targetm.binds_local_p (decl))) - maybe_assemble_visibility (decl); + if (TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))) + { + if (DECL_VISIBILITY_SPECIFIED (decl) + || targetm.binds_local_p (decl)) + maybe_assemble_visibility (decl); + +#ifdef ASM_OUTPUT_TYPE_DIRECTIVE + if (TREE_CODE (decl) == FUNCTION_DECL) + ASM_OUTPUT_TYPE_DIRECTIVE (file, name, "function"); + else if (TREE_CODE (decl) == VAR_DECL) + { + if (!DECL_THREAD_LOCAL_P (decl)) + ASM_OUTPUT_TYPE_DIRECTIVE (file, name, "object"); + } +#endif + } }

/* The default hook for TARGET_ASM_OUTPUT_SOURCE_FILENAME. */

-----------------------------------------------------------------------

Summary of changes: gcc/ChangeLog | 147 ++++++++++++ gcc/DATESTAMP | 2 +- gcc/config.gcc | 10 +- gcc/config/aarch64/aarch64.md | 10 + gcc/config/arm/arm.c | 19 +- gcc/config/arm/arm.md | 36 +++ gcc/config/bfin/bfin.c | 13 +- gcc/config/i386/i386-c.c | 5 + gcc/config/i386/i386.c | 85 ++++++- gcc/config/i386/i386.h | 1 + gcc/config/i386/i386.md | 201 +++++----------- gcc/config/i386/x86-tune.def | 36 +-- gcc/config/mips/mips.c | 26 +- gcc/config/mips/mips.h | 26 +- gcc/config/mips/mips.md | 265 +++++++++++++-------- gcc/config/mips/mips.opt | 4 - gcc/config/nios2/constraints.md | 3 +- gcc/config/nios2/nios2-protos.h | 2 +- gcc/config/nios2/nios2.c | 11 +- gcc/doc/fragments.texi | 2 +- gcc/doc/install.texi | 2 +- gcc/doc/invoke.texi | 3 + gcc/fortran/ChangeLog | 25 ++ gcc/fortran/io.c | 41 +++- gcc/fortran/resolve.c | 9 +- gcc/fortran/trans-decl.c | 52 +++- gcc/fortran/trans-expr.c | 20 +- gcc/fortran/trans.h | 3 + gcc/match.pd | 5 +- gcc/read-md.c | 4 +- gcc/testsuite/ChangeLog | 72 ++++++ gcc/testsuite/gcc.c-torture/execute/pr65956.c | 67 ++++++ gcc/testsuite/gcc.c-torture/execute/pr66757.c | 15 ++ gcc/testsuite/gcc.dg/pr35514-1.c | 4 +- gcc/testsuite/gcc.dg/pr35514-2.c | 2 +- gcc/testsuite/gcc.dg/torture/pr66733-1.c | 28 +++ gcc/testsuite/gcc.dg/torture/pr66733-2.c | 46 ++++ gcc/testsuite/gcc.dg/torture/pr66759.c | 11 + gcc/testsuite/gcc.dg/vect/pr48052.c | 6 +- gcc/testsuite/gcc.target/aarch64/fnmul-1.c | 16 ++ gcc/testsuite/gcc.target/aarch64/fnmul-2.c | 18 ++ gcc/testsuite/gcc.target/aarch64/fnmul-3.c | 16 ++ gcc/testsuite/gcc.target/aarch64/fnmul-4.c | 16 ++ gcc/testsuite/gcc.target/arm/aapcs/align1.c | 29 +++ gcc/testsuite/gcc.target/arm/aapcs/align2.c | 30 +++ gcc/testsuite/gcc.target/arm/aapcs/align3.c | 42 ++++ gcc/testsuite/gcc.target/arm/aapcs/align4.c | 29 +++ gcc/testsuite/gcc.target/arm/aapcs/align_rec1.c | 36 +++ gcc/testsuite/gcc.target/arm/aapcs/align_rec2.c | 41 ++++ gcc/testsuite/gcc.target/arm/aapcs/align_rec3.c | 43 ++++ gcc/testsuite/gcc.target/arm/aapcs/align_rec4.c | 33 +++ gcc/testsuite/gcc.target/arm/aapcs/align_vaarg1.c | 36 +++ gcc/testsuite/gcc.target/arm/aapcs/align_vaarg2.c | 30 +++ gcc/testsuite/gcc.target/i386/pr53383-1.c | 8 + gcc/testsuite/gcc.target/i386/pr53383-2.c | 8 + gcc/testsuite/gcc.target/i386/pr53383-3.c | 8 + .../gcc.target/i386/{addr-sel-1.c => pr66749.c} | 5 +- gcc/testsuite/gcc.target/mips/near-far-3.c | 2 +- gcc/testsuite/gcc.target/nios2/gprel-offset.c | 20 ++ gcc/testsuite/gfortran.dg/alloc_comp_class_3.f03 | 55 +++++ gcc/testsuite/gfortran.dg/alloc_comp_class_4.f03 | 105 ++++++++ gcc/testsuite/gfortran.dg/iomsg_2.f90 | 44 ++++ gcc/testsuite/lib/scanasm.exp | 17 +- gcc/tree-ssa-ccp.c | 17 ++ gcc/tree-vect-loop-manip.c | 2 +- libgfortran/ChangeLog | 7 + libgfortran/Makefile.am | 6 - libgfortran/Makefile.in | 81 ++----- libgfortran/fmain.c | 24 -- libgomp/ChangeLog | 4 + libgomp/libgomp.h | 3 + libstdc++-v3/ChangeLog | 7 + libstdc++-v3/include/bits/hashtable.h | 19 +- .../unordered_set/max_load_factor/robustness.cc | 34 +-- 74 files changed, 1740 insertions(+), 470 deletions(-) create mode 100644 gcc/testsuite/gcc.c-torture/execute/pr65956.c create mode 100644 gcc/testsuite/gcc.c-torture/execute/pr66757.c create mode 100644 gcc/testsuite/gcc.dg/torture/pr66733-1.c create mode 100644 gcc/testsuite/gcc.dg/torture/pr66733-2.c create mode 100644 gcc/testsuite/gcc.dg/torture/pr66759.c create mode 100644 gcc/testsuite/gcc.target/aarch64/fnmul-1.c create mode 100644 gcc/testsuite/gcc.target/aarch64/fnmul-2.c create mode 100644 gcc/testsuite/gcc.target/aarch64/fnmul-3.c create mode 100644 gcc/testsuite/gcc.target/aarch64/fnmul-4.c create mode 100644 gcc/testsuite/gcc.target/arm/aapcs/align1.c create mode 100644 gcc/testsuite/gcc.target/arm/aapcs/align2.c create mode 100644 gcc/testsuite/gcc.target/arm/aapcs/align3.c create mode 100644 gcc/testsuite/gcc.target/arm/aapcs/align4.c create mode 100644 gcc/testsuite/gcc.target/arm/aapcs/align_rec1.c create mode 100644 gcc/testsuite/gcc.target/arm/aapcs/align_rec2.c create mode 100644 gcc/testsuite/gcc.target/arm/aapcs/align_rec3.c create mode 100644 gcc/testsuite/gcc.target/arm/aapcs/align_rec4.c create mode 100644 gcc/testsuite/gcc.target/arm/aapcs/align_vaarg1.c create mode 100644 gcc/testsuite/gcc.target/arm/aapcs/align_vaarg2.c create mode 100644 gcc/testsuite/gcc.target/i386/pr53383-1.c create mode 100644 gcc/testsuite/gcc.target/i386/pr53383-2.c create mode 100644 gcc/testsuite/gcc.target/i386/pr53383-3.c copy gcc/testsuite/gcc.target/i386/{addr-sel-1.c => pr66749.c} (69%) create mode 100644 gcc/testsuite/gcc.target/nios2/gprel-offset.c create mode 100644 gcc/testsuite/gfortran.dg/alloc_comp_class_3.f03 create mode 100644 gcc/testsuite/gfortran.dg/alloc_comp_class_4.f03 create mode 100644 gcc/testsuite/gfortran.dg/iomsg_2.f90 delete mode 100644 libgfortran/fmain.c

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