elif cpu == 'sh4':
canonical_cpu = 'sh4'
endianness = 'little'
+ elif cpu in ('m68k'):
+ canonical_cpu = 'm68k'
+ endianness = 'big'
elif allow_unknown:
canonical_cpu = cpu
endianness = 'unknown'
# define ARCH_CPU_ARMEL 1
# define ARCH_CPU_32_BITS 1
# define WCHAR_T_IS_UNSIGNED 1
+#elif defined(__m68k__)
+# define ARCH_CPU_M68K 1
+# define ARCH_CPU_32_BITS 1
#elif defined(__powerpc64__)
# define ARCH_CPU_PPC64 1
# define ARCH_CPU_64_BITS 1
static const uint32_t FIXED_SLOTS_SHIFT = 24;
static const uint32_t FIXED_SLOTS_MASK = 0x1f << FIXED_SLOTS_SHIFT;
-};
+} __attribute__ ((aligned(4)));
/**
* This layout is shared by all native objects. For non-native objects, the
int32_t mInt;
float mFloat;
} mValue;
-};
+} __attribute__ ((aligned(4)));
#endif /* nsCSSValue_h___ */
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__pnacl__)
#define ARCH_CPU_32_BITS 1
+#elif defined(__MIPSEL__)
+#define ARCH_CPU_MIPS_FAMILY 1
+#define ARCH_CPU_MIPSEL 1
+#define ARCH_CPU_32_BITS 1
+#define ARCH_CPU_LITTLE_ENDIAN 1
+#elif defined(__m68k__)
+#define ARCH_CPU_M68K_FAMILY 1
+#define ARCH_CPU_M68K 1
+#define ARCH_CPU_32_BITS 1
+#define ARCH_CPU_BIG_ENDIAN 1
#elif defined(__powerpc64__)
#define ARCH_CPU_PPC_FAMILY 1
#define ARCH_CPU_PPC64 1
static_assert(sizeof(name##_2) == (size), \
"Pair<" #T2 ", " #T1 "> has an unexpected size");
+static constexpr size_t sizemax(size_t a, size_t b)
+{
+ return (a > b) ? a : b;
+}
+
INSTANTIATE(int, int, prim1, 2 * sizeof(int));
-INSTANTIATE(int, long, prim2, 2 * sizeof(long));
+INSTANTIATE(int, long, prim2, sizeof(long) + sizemax(sizeof(int), alignof(long)));
struct EmptyClass {
explicit EmptyClass(int) {}
};
INSTANTIATE(int, EmptyClass, both1, sizeof(int));
-INSTANTIATE(int, NonEmpty, both2, 2 * sizeof(int));
+INSTANTIATE(int, NonEmpty, both2, sizeof(int) + alignof(int));
INSTANTIATE(EmptyClass, NonEmpty, both3, 1);
struct A {
#elif defined _ARCH_PPC || defined _ARCH_PWR || defined _ARCH_PWR2
# define RETURN_INSTR 0x4E800020 /* blr */
+#elif defined __m68k__
+#define RETURN_INSTR 0x4E754E75 /* rts; rts */
+
#elif defined __sparc || defined __sparcv9
# define RETURN_INSTR 0x81c3e008 /* retl */
'arm': 32,
'hppa': 32,
'ia64': 64,
+ 'm68k': 32,
'mips32': 32,
'mips64': 64,
'ppc': 32,
('mips64', '__mips64'),
('mips32', '__mips__'),
('sh4', '__sh__'),
+ ('m68k', '__m68k__'),
))
assert sorted(CPU_preprocessor_checks.keys()) == sorted(CPU.POSSIBLE_VALUES)
'sh4-unknown-linux-gnu': little_endian + {
'__sh__': 1,
},
+ 'm68k-unknown-linux-gnu': big_endian + {
+ '__m68k__': 1,
+ },
}
PLATFORMS['powerpc64le-unknown-linux-gnu'] = \
--- /dev/null
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* Platform specific code to invoke XPCOM methods on native objects */
+
+#include "xptcprivate.h"
+
+// Remember that these 'words' are 32bit DWORDS
+
+extern "C" {
+ static uint32_t
+ invoke_count_words(uint32_t paramCount, nsXPTCVariant* s)
+ {
+ uint32_t result = 0;
+ for(uint32_t i = 0; i < paramCount; i++, s++)
+ {
+ if(s->IsPtrData())
+ {
+ result++;
+ continue;
+ }
+ switch(s->type)
+ {
+ case nsXPTType::T_I8 :
+ case nsXPTType::T_I16 :
+ case nsXPTType::T_I32 :
+ result++;
+ break;
+ case nsXPTType::T_I64 :
+ result+=2;
+ break;
+ case nsXPTType::T_U8 :
+ case nsXPTType::T_U16 :
+ case nsXPTType::T_U32 :
+ result++;
+ break;
+ case nsXPTType::T_U64 :
+ result+=2;
+ break;
+ case nsXPTType::T_FLOAT :
+ result++;
+ break;
+ case nsXPTType::T_DOUBLE :
+ result+=2;
+ break;
+ case nsXPTType::T_BOOL :
+ case nsXPTType::T_CHAR :
+ case nsXPTType::T_WCHAR :
+ result++;
+ break;
+ default:
+ // all the others are plain pointer types
+ result++;
+ break;
+ }
+ }
+ return result;
+ }
+
+ void
+ invoke_copy_to_stack(uint32_t* d, uint32_t paramCount, nsXPTCVariant* s)
+ {
+ for(uint32_t i = 0; i < paramCount; i++, d++, s++)
+ {
+ if(s->IsPtrData())
+ {
+ *((void**)d) = s->ptr;
+ continue;
+ }
+ switch(s->type)
+ {
+ // 8 and 16 bit types should be promoted to 32 bits when copying
+ // onto the stack.
+ case nsXPTType::T_I8 : *((uint32_t*)d) = s->val.i8; break;
+ case nsXPTType::T_I16 : *((uint32_t*)d) = s->val.i16; break;
+ case nsXPTType::T_I32 : *((int32_t*) d) = s->val.i32; break;
+ case nsXPTType::T_I64 : *((int64_t*) d) = s->val.i64; d++; break;
+ case nsXPTType::T_U8 : *((uint32_t*)d) = s->val.u8; break;
+ case nsXPTType::T_U16 : *((uint32_t*)d) = s->val.u16; break;
+ case nsXPTType::T_U32 : *((uint32_t*)d) = s->val.u32; break;
+ case nsXPTType::T_U64 : *((uint64_t*)d) = s->val.u64; d++; break;
+ case nsXPTType::T_FLOAT : *((float*) d) = s->val.f; break;
+ case nsXPTType::T_DOUBLE : *((double*) d) = s->val.d; d++; break;
+ case nsXPTType::T_BOOL : *((uint32_t*)d) = s->val.b; break;
+ case nsXPTType::T_CHAR : *((uint32_t*)d) = s->val.c; break;
+ case nsXPTType::T_WCHAR : *((wchar_t*) d) = s->val.wc; break;
+
+ default:
+ // all the others are plain pointer types
+ *((void**)d) = s->val.p;
+ break;
+ }
+ }
+ }
+}
+
+EXPORT_XPCOM_API(nsresult)
+NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
+ uint32_t paramCount, nsXPTCVariant* params)
+{
+ nsresult result;
+ uint32_t n;
+
+ n = invoke_count_words(paramCount, params) * 4;
+
+ __asm__ __volatile__(
+ "subl %5, %%sp\n\t" /* make room for params */
+ "movel %4, %%sp@-\n\t"
+ "movel %3, %%sp@-\n\t"
+ "pea %%sp@(8)\n\t"
+ "jbsr invoke_copy_to_stack\n\t" /* copy params */
+ "addw #12, %%sp\n\t"
+ "movel %1, %%sp@-\n\t"
+ "movel %1@, %%a0\n\t"
+ "movel %%a0@(%2:l:4), %%a0\n\t"
+ "jbsr %%a0@\n\t" /* safe to not cleanup sp */
+ "lea %%sp@(4,%5:l), %%sp\n\t"
+ "movel %%d0, %0"
+ : "=d" (result) /* %0 */
+ : "a" (that), /* %1 */
+ "d" (methodIndex), /* %2 */
+ "g" (paramCount), /* %3 */
+ "g" (params), /* %4 */
+ "d" (n) /* %5 */
+ : "a0", "a1", "d0", "d1", "memory"
+ );
+
+ return result;
+}
--- /dev/null
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* Implement shared vtbl methods. */
+
+#include "xptcprivate.h"
+#include "xptiprivate.h"
+
+extern "C" {
+ nsresult ATTRIBUTE_USED
+ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint32_t* args)
+ {
+#define PARAM_BUFFER_COUNT 16
+
+ nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
+ nsXPTCMiniVariant* dispatchParams = nullptr;
+ const nsXPTMethodInfo* info;
+ uint8_t paramCount;
+ uint8_t i;
+ nsresult result = NS_ERROR_FAILURE;
+
+ NS_ASSERTION(self,"no self");
+
+ self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info);
+ NS_ASSERTION(info,"no method info");
+
+ paramCount = info->GetParamCount();
+
+ // setup variant array pointer
+ if(paramCount > PARAM_BUFFER_COUNT)
+ dispatchParams = new nsXPTCMiniVariant[paramCount];
+ else
+ dispatchParams = paramBuffer;
+ NS_ASSERTION(dispatchParams,"no place for params");
+
+ uint32_t* ap = args;
+ for(i = 0; i < paramCount; i++, ap++)
+ {
+ const nsXPTParamInfo& param = info->GetParam(i);
+ const nsXPTType& type = param.GetType();
+ nsXPTCMiniVariant* dp = &dispatchParams[i];
+
+ if(param.IsOut() || !type.IsArithmetic())
+ {
+ dp->val.p = (void*) *ap;
+ continue;
+ }
+
+ switch(type)
+ {
+ // the 8 and 16 bit types will have been promoted to 32 bits before
+ // being pushed onto the stack. Since the 68k is big endian, we
+ // need to skip over the leading high order bytes.
+ case nsXPTType::T_I8 : dp->val.i8 = *(((int8_t*) ap) + 3); break;
+ case nsXPTType::T_I16 : dp->val.i16 = *(((int16_t*) ap) + 1); break;
+ case nsXPTType::T_I32 : dp->val.i32 = *((int32_t*) ap); break;
+ case nsXPTType::T_I64 : dp->val.i64 = *((int64_t*) ap); ap++; break;
+ case nsXPTType::T_U8 : dp->val.u8 = *(((uint8_t*) ap) + 3); break;
+ case nsXPTType::T_U16 : dp->val.u16 = *(((uint16_t*)ap) + 1); break;
+ case nsXPTType::T_U32 : dp->val.u32 = *((uint32_t*)ap); break;
+ case nsXPTType::T_U64 : dp->val.u64 = *((uint64_t*)ap); ap++; break;
+ case nsXPTType::T_FLOAT : dp->val.f = *((float*) ap); break;
+ case nsXPTType::T_DOUBLE : dp->val.d = *((double*) ap); ap++; break;
+ case nsXPTType::T_BOOL : dp->val.b = *((uint32_t*)ap); break;
+ case nsXPTType::T_CHAR : dp->val.c = *(((char*) ap) + 3); break;
+ case nsXPTType::T_WCHAR : dp->val.wc = *((wchar_t*) ap); break;
+ default:
+ NS_ERROR("bad type");
+ break;
+ }
+ }
+
+ result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams);
+
+ if(dispatchParams != paramBuffer)
+ delete [] dispatchParams;
+
+ return result;
+ }
+}
+
+#define STUB_ENTRY(n) \
+nsresult nsXPTCStubBase::Stub##n() \
+{ \
+ void *frame = __builtin_frame_address(0); \
+ return PrepareAndDispatch(this, n, (uint32_t*)frame + 3); \
+}
+
+#define SENTINEL_ENTRY(n) \
+nsresult nsXPTCStubBase::Sentinel##n() \
+{ \
+ NS_ERROR("nsXPTCStubBase::Sentinel called"); \
+ return NS_ERROR_NOT_IMPLEMENTED; \
+}
+
+#include "xptcstubsdef.inc"
projects / thunderbird.git / commitdiff