7a9389330e
gcc/: * gcc.c (default_compilers): Add entry for ".go". * common.opt: Add -static-libgo as a driver option. * doc/install.texi (Configuration): Mention libgo as an option for --enable-shared. Mention go as an option for --enable-languages. * doc/invoke.texi (Overall Options): Mention .go as a file name suffix. Mention go as a -x option. * doc/frontends.texi (G++ and GCC): Mention Go as a supported language. * doc/sourcebuild.texi (Top Level): Mention libgo. * doc/standards.texi (Standards): Add section on Go language. Move references for other languages into their own section. * doc/contrib.texi (Contributors): Mention that I contributed the Go frontend. gcc/testsuite/: * lib/go.exp: New file. * lib/go-dg.exp: New file. * lib/go-torture.exp: New file. * lib/target-supports.exp (check_compile): Match // Go. From-SVN: r167407
85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/* go-runtime-error.c -- Go runtime error.
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Copyright 2010 The Go Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file. */
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#include "go-panic.h"
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/* The compiler generates calls to this function. This enum values
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are known to the compiler and used by compiled code. Any change
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here must be reflected in the compiler. */
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enum
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{
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/* Slice index out of bounds: negative or larger than the length of
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the slice. */
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SLICE_INDEX_OUT_OF_BOUNDS = 0,
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/* Array index out of bounds. */
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ARRAY_INDEX_OUT_OF_BOUNDS = 1,
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/* String index out of bounds. */
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STRING_INDEX_OUT_OF_BOUNDS = 2,
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/* Slice slice out of bounds: negative or larger than the length of
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the slice or high bound less than low bound. */
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SLICE_SLICE_OUT_OF_BOUNDS = 3,
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/* Array slice out of bounds. */
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ARRAY_SLICE_OUT_OF_BOUNDS = 4,
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/* String slice out of bounds. */
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STRING_SLICE_OUT_OF_BOUNDS = 5,
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/* Dereference of nil pointer. This is used when there is a
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dereference of a pointer to a very large struct or array, to
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ensure that a gigantic array is not used a proxy to access random
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memory locations. */
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NIL_DEREFERENCE = 6,
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/* Slice length or capacity out of bounds in make: negative or
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overflow or length greater than capacity. */
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MAKE_SLICE_OUT_OF_BOUNDS = 7,
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/* Map capacity out of bounds in make: negative or overflow. */
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MAKE_MAP_OUT_OF_BOUNDS = 8,
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/* Channel capacity out of bounds in make: negative or overflow. */
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MAKE_CHAN_OUT_OF_BOUNDS = 9
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};
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extern void __go_runtime_error () __attribute__ ((noreturn));
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void
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__go_runtime_error (int i)
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{
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switch (i)
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{
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case SLICE_INDEX_OUT_OF_BOUNDS:
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case ARRAY_INDEX_OUT_OF_BOUNDS:
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case STRING_INDEX_OUT_OF_BOUNDS:
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__go_panic_msg ("index out of range");
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case SLICE_SLICE_OUT_OF_BOUNDS:
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case ARRAY_SLICE_OUT_OF_BOUNDS:
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case STRING_SLICE_OUT_OF_BOUNDS:
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__go_panic_msg ("slice bounds out of range");
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case NIL_DEREFERENCE:
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__go_panic_msg ("nil pointer dereference");
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case MAKE_SLICE_OUT_OF_BOUNDS:
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__go_panic_msg ("make slice len or cap out of range");
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case MAKE_MAP_OUT_OF_BOUNDS:
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__go_panic_msg ("make map len out of range");
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case MAKE_CHAN_OUT_OF_BOUNDS:
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__go_panic_msg ("make chan len out of range");
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default:
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__go_panic_msg ("unknown runtime error");
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}
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}
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