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cgo: add complex float, complex double

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R=rsc
CC=binet, golang-dev
https://golang.org/cl/3906041
This commit is contained in:
Sebastien Binet 2011-01-19 14:30:57 -05:00 committed by Russ Cox
parent 13c2e62966
commit 655da99627
5 changed files with 52 additions and 22 deletions
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34
src/cmd/cgo/gcc.go
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@ -27,13 +27,15 @@ var debugDefine = flag.Bool("debug-define", false, "print relevant #defines")
var debugGcc = flag.Bool("debug-gcc", false, "print gcc invocations")
var nameToC = map[string]string{
"schar": "signed char",
"uchar": "unsigned char",
"ushort": "unsigned short",
"uint": "unsigned int",
"ulong": "unsigned long",
"longlong": "long long",
"ulonglong": "unsigned long long",
"schar": "signed char",
"uchar": "unsigned char",
"ushort": "unsigned short",
"uint": "unsigned int",
"ulong": "unsigned long",
"longlong": "long long",
"ulonglong": "unsigned long long",
"complexfloat": "float complex",
"complexdouble": "double complex",
}
// cname returns the C name to use for C.s.
@ -591,6 +593,7 @@ type typeConv struct {
int8, int16, int32, int64 ast.Expr
uint8, uint16, uint32, uint64, uintptr ast.Expr
float32, float64 ast.Expr
complex64, complex128 ast.Expr
void ast.Expr
unsafePointer ast.Expr
string ast.Expr
@ -617,6 +620,8 @@ func (c *typeConv) Init(ptrSize int64) {
c.uintptr = c.Ident("uintptr")
c.float32 = c.Ident("float32")
c.float64 = c.Ident("float64")
c.complex64 = c.Ident("complex64")
c.complex128 = c.Ident("complex128")
c.unsafePointer = c.Ident("unsafe.Pointer")
c.void = c.Ident("void")
c.string = c.Ident("string")
@ -648,6 +653,8 @@ var dwarfToName = map[string]string{
"long long int": "longlong",
"long long unsigned int": "ulonglong",
"signed char": "schar",
"float complex": "complexfloat",
"double complex": "complexdouble",
}
// Type returns a *Type with the same memory layout as
@ -749,6 +756,19 @@ func (c *typeConv) Type(dtype dwarf.Type) *Type {
t.Align = c.ptrSize
}
case *dwarf.ComplexType:
switch t.Size {
default:
fatal("unexpected: %d-byte complex type - %s", t.Size, dtype)
case 8:
t.Go = c.complex64
case 16:
t.Go = c.complex128
}
if t.Align = t.Size; t.Align >= c.ptrSize {
t.Align = c.ptrSize
}
case *dwarf.FuncType:
// No attempt at translation: would enable calls
// directly between worlds, but we need to moderate those.

7
src/pkg/debug/dwarf/testdata/typedef.c vendored
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@ -9,6 +9,7 @@ gcc -gdwarf-2 -m64 -c typedef.c && gcc -gdwarf-2 -m64 -o typedef.elf typedef.o
OS X Mach-O:
gcc -gdwarf-2 -m64 -c typedef.c -o typedef.macho
*/
#include <complex.h>
typedef volatile int* t_ptr_volatile_int;
typedef const char *t_ptr_const_char;
@ -16,6 +17,9 @@ typedef long t_long;
typedef unsigned short t_ushort;
typedef int t_func_int_of_float_double(float, double);
typedef int (*t_ptr_func_int_of_float_double)(float, double);
typedef int (*t_ptr_func_int_of_float_complex)(float complex);
typedef int (*t_ptr_func_int_of_double_complex)(double complex);
typedef int (*t_ptr_func_int_of_long_double_complex)(long double complex);
typedef int *t_func_ptr_int_of_char_schar_uchar(char, signed char, unsigned char);
typedef void t_func_void_of_char(char);
typedef void t_func_void_of_void(void);
@ -65,6 +69,9 @@ t_my_union *a12a;
t_my_enum *a13;
t_my_list *a14;
t_my_tree *a15;
t_ptr_func_int_of_float_complex *a16;
t_ptr_func_int_of_double_complex *a17;
t_ptr_func_int_of_long_double_complex *a18;
int main()
{

BIN
src/pkg/debug/dwarf/testdata/typedef.elf vendored
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BIN
src/pkg/debug/dwarf/testdata/typedef.macho vendored
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33
src/pkg/debug/dwarf/type_test.go
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@ -12,21 +12,24 @@ import (
)
var typedefTests = map[string]string{
"t_ptr_volatile_int": "*volatile int",
"t_ptr_const_char": "*const char",
"t_long": "long int",
"t_ushort": "short unsigned int",
"t_func_int_of_float_double": "func(float, double) int",
"t_ptr_func_int_of_float_double": "*func(float, double) int",
"t_func_ptr_int_of_char_schar_uchar": "func(char, signed char, unsigned char) *int",
"t_func_void_of_char": "func(char) void",
"t_func_void_of_void": "func() void",
"t_func_void_of_ptr_char_dots": "func(*char, ...) void",
"t_my_struct": "struct my_struct {vi volatile int@0; x char@4 : 1@7; y int@4 : 4@27; array [40]long long int@8}",
"t_my_union": "union my_union {vi volatile int@0; x char@0 : 1@7; y int@0 : 4@28; array [40]long long int@0}",
"t_my_enum": "enum my_enum {e1=1; e2=2; e3=-5; e4=1000000000000000}",
"t_my_list": "struct list {val short int@0; next *t_my_list@8}",
"t_my_tree": "struct tree {left *struct tree@0; right *struct tree@8; val long long unsigned int@16}",
"t_ptr_volatile_int": "*volatile int",
"t_ptr_const_char": "*const char",
"t_long": "long int",
"t_ushort": "short unsigned int",
"t_func_int_of_float_double": "func(float, double) int",
"t_ptr_func_int_of_float_double": "*func(float, double) int",
"t_ptr_func_int_of_float_complex": "*func(complex float) int",
"t_ptr_func_int_of_double_complex": "*func(complex double) int",
"t_ptr_func_int_of_long_double_complex": "*func(complex long double) int",
"t_func_ptr_int_of_char_schar_uchar": "func(char, signed char, unsigned char) *int",
"t_func_void_of_char": "func(char) void",
"t_func_void_of_void": "func() void",
"t_func_void_of_ptr_char_dots": "func(*char, ...) void",
"t_my_struct": "struct my_struct {vi volatile int@0; x char@4 : 1@7; y int@4 : 4@27; array [40]long long int@8}",
"t_my_union": "union my_union {vi volatile int@0; x char@0 : 1@7; y int@0 : 4@28; array [40]long long int@0}",
"t_my_enum": "enum my_enum {e1=1; e2=2; e3=-5; e4=1000000000000000}",
"t_my_list": "struct list {val short int@0; next *t_my_list@8}",
"t_my_tree": "struct tree {left *struct tree@0; right *struct tree@8; val long long unsigned int@16}",
}
func elfData(t *testing.T, name string) *Data {