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-rw-r--r--xpcom/reflect/xptcall/md/unix/moz.build9
-rw-r--r--xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_aarch64.S (renamed from xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_aarch64.s)35
-rw-r--r--xpcom/reflect/xptcall/md/unix/xptcstubs_aarch64.cpp88
-rw-r--r--xpcom/reflect/xptcall/md/unix/xptcstubs_asm_aarch64.S (renamed from xpcom/reflect/xptcall/md/unix/xptcstubs_asm_aarch64.s)27
-rw-r--r--xpcom/reflect/xptcall/md/unix/xptcstubs_darwin.cpp2
5 files changed, 119 insertions, 42 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/moz.build b/xpcom/reflect/xptcall/md/unix/moz.build
index afab3acd2b..7ab7e73654 100644
--- a/xpcom/reflect/xptcall/md/unix/moz.build
+++ b/xpcom/reflect/xptcall/md/unix/moz.build
@@ -17,6 +17,11 @@ if CONFIG['OS_ARCH'] == 'Darwin':
SOURCES += [
'xptcinvoke_asm_x86_64_unix.S',
]
+ if CONFIG["CPU_ARCH"] == "aarch64":
+ SOURCES += [
+ "xptcinvoke_asm_aarch64.S",
+ "xptcstubs_asm_aarch64.S",
+ ]
if '86' in CONFIG['OS_TEST'] and CONFIG['OS_TEST'] != 'x86_64':
DEFINES['MOZ_NEED_LEADING_UNDERSCORE'] = True
@@ -105,9 +110,9 @@ if CONFIG['OS_ARCH'] in ('Linux', 'FreeBSD', 'NetBSD', 'OpenBSD'):
if CONFIG['OS_TEST'] == 'aarch64':
SOURCES += [
'xptcinvoke_aarch64.cpp',
- 'xptcinvoke_asm_aarch64.s',
+ 'xptcinvoke_asm_aarch64.S',
'xptcstubs_aarch64.cpp',
- 'xptcstubs_asm_aarch64.s',
+ 'xptcstubs_asm_aarch64.S',
]
if CONFIG['OS_TEST'] == 'm68k':
SOURCES += [
diff --git a/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_aarch64.s b/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_aarch64.S
index efe691a683..69a55b1c1c 100644
--- a/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_aarch64.s
+++ b/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_aarch64.S
@@ -3,20 +3,36 @@
* 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/. */
- .section ".text"
- .globl _NS_InvokeByIndex
+#ifdef __APPLE__
+#define SYM(x) _ ## x
+#else
+#define SYM(x) x
+#endif
+
+ .text
+ .align 2
+ .globl SYM(_NS_InvokeByIndex)
+#ifndef __APPLE__
.type _NS_InvokeByIndex,@function
+#endif
/*
* _NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
* uint32_t paramCount, nsXPTCVariant* params)
*/
-_NS_InvokeByIndex:
+SYM(_NS_InvokeByIndex):
+ .cfi_startproc
# set up frame
stp x29, x30, [sp,#-32]!
+ .cfi_adjust_cfa_offset 32
+ .cfi_rel_offset x29, 0
+ .cfi_rel_offset x30, 8
mov x29, sp
+ .cfi_def_cfa_register x29
stp x19, x20, [sp,#16]
+ .cfi_rel_offset x19, 16
+ .cfi_rel_offset x20, 24
# save methodIndex across function calls
mov w20, w1
@@ -37,7 +53,7 @@ _NS_InvokeByIndex:
# start of stack area passed to invoke_copy_to_stack
mov x0, sp
- bl invoke_copy_to_stack
+ bl SYM(invoke_copy_to_stack)
# load arguments passed in r0-r7
ldp x6, x7, [sp, #48]
@@ -58,10 +74,19 @@ _NS_InvokeByIndex:
blr x16
add sp, sp, w19, uxth #3
+ .cfi_def_cfa_register sp
ldp x19, x20, [sp,#16]
+ .cfi_restore x19
+ .cfi_restore x20
ldp x29, x30, [sp],#32
+ .cfi_adjust_cfa_offset -32
+ .cfi_restore x29
+ .cfi_restore x30
ret
+ .cfi_endproc
+#ifndef __APPLE__
.size _NS_InvokeByIndex, . - _NS_InvokeByIndex
-
+ .section .note.GNU-stack, "", @progbits
+#endif
diff --git a/xpcom/reflect/xptcall/md/unix/xptcstubs_aarch64.cpp b/xpcom/reflect/xptcall/md/unix/xptcstubs_aarch64.cpp
index 571fb42a2f..271ea4b019 100644
--- a/xpcom/reflect/xptcall/md/unix/xptcstubs_aarch64.cpp
+++ b/xpcom/reflect/xptcall/md/unix/xptcstubs_aarch64.cpp
@@ -10,6 +10,19 @@
#error "Only little endian compatibility was tested"
#endif
+template<typename T> void
+get_value_and_advance(T* aOutValue, void*& aStack) {
+#ifdef __APPLE__
+ const size_t aligned_size = sizeof(T);
+#else
+ const size_t aligned_size = 8;
+#endif
+ // Ensure the pointer is aligned for the type
+ uintptr_t addr = (reinterpret_cast<uintptr_t>(aStack) + aligned_size - 1) & ~(aligned_size - 1);
+ memcpy(aOutValue, reinterpret_cast<void*>(addr), sizeof(T));
+ aStack = reinterpret_cast<void*>(addr + aligned_size);
+}
+
/*
* This is for AArch64 ABI
*
@@ -17,8 +30,8 @@
* the "fp" registers are stored in fprData. Each array has 8 regs
* but first reg in gprData is a placeholder for 'self'.
*/
-extern "C" nsresult
-PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
+extern "C" nsresult ATTRIBUTE_USED
+PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, void* args,
uint64_t *gprData, double *fprData)
{
#define PARAM_BUFFER_COUNT 16
@@ -28,7 +41,6 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
nsXPTCMiniVariant* dispatchParams = NULL;
const nsXPTMethodInfo* info;
- nsresult result = NS_ERROR_FAILURE;
NS_ASSERTION(self,"no self");
@@ -45,7 +57,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
}
NS_ASSERTION(dispatchParams,"no place for params");
- uint64_t* ap = args;
+ void* ap = args;
uint32_t next_gpr = 1; // skip first arg which is 'self'
uint32_t next_fpr = 0;
for (uint32_t i = 0; i < paramCount; i++) {
@@ -57,7 +69,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_gpr < PARAM_GPR_COUNT) {
dp->val.p = (void*)gprData[next_gpr++];
} else {
- dp->val.p = (void*)*ap++;
+ get_value_and_advance(&dp->val.p, ap);
}
continue;
}
@@ -67,7 +79,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_gpr < PARAM_GPR_COUNT) {
dp->val.i8 = (int8_t)gprData[next_gpr++];
} else {
- dp->val.i8 = (int8_t)*ap++;
+ get_value_and_advance(&dp->val.i8, ap);
}
break;
@@ -75,7 +87,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_gpr < PARAM_GPR_COUNT) {
dp->val.i16 = (int16_t)gprData[next_gpr++];
} else {
- dp->val.i16 = (int16_t)*ap++;
+ get_value_and_advance(&dp->val.i16, ap);
}
break;
@@ -83,7 +95,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_gpr < PARAM_GPR_COUNT) {
dp->val.i32 = (int32_t)gprData[next_gpr++];
} else {
- dp->val.i32 = (int32_t)*ap++;
+ get_value_and_advance(&dp->val.i32, ap);
}
break;
@@ -91,7 +103,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_gpr < PARAM_GPR_COUNT) {
dp->val.i64 = (int64_t)gprData[next_gpr++];
} else {
- dp->val.i64 = (int64_t)*ap++;
+ get_value_and_advance(&dp->val.i64, ap);
}
break;
@@ -99,7 +111,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_gpr < PARAM_GPR_COUNT) {
dp->val.u8 = (uint8_t)gprData[next_gpr++];
} else {
- dp->val.u8 = (uint8_t)*ap++;
+ get_value_and_advance(&dp->val.u8, ap);
}
break;
@@ -107,7 +119,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_gpr < PARAM_GPR_COUNT) {
dp->val.u16 = (uint16_t)gprData[next_gpr++];
} else {
- dp->val.u16 = (uint16_t)*ap++;
+ get_value_and_advance(&dp->val.u16, ap);
}
break;
@@ -115,7 +127,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_gpr < PARAM_GPR_COUNT) {
dp->val.u32 = (uint32_t)gprData[next_gpr++];
} else {
- dp->val.u32 = (uint32_t)*ap++;
+ get_value_and_advance(&dp->val.u32, ap);
}
break;
@@ -123,7 +135,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_gpr < PARAM_GPR_COUNT) {
dp->val.u64 = (uint64_t)gprData[next_gpr++];
} else {
- dp->val.u64 = (uint64_t)*ap++;
+ get_value_and_advance(&dp->val.u64, ap);
}
break;
@@ -131,7 +143,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_fpr < PARAM_FPR_COUNT) {
memcpy(&dp->val.f, &fprData[next_fpr++], sizeof(dp->val.f));
} else {
- memcpy(&dp->val.f, ap++, sizeof(dp->val.f));
+ get_value_and_advance(&dp->val.f, ap);
}
break;
@@ -139,15 +151,17 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_fpr < PARAM_FPR_COUNT) {
memcpy(&dp->val.d, &fprData[next_fpr++], sizeof(dp->val.d));
} else {
- memcpy(&dp->val.d, ap++, sizeof(dp->val.d));
+ get_value_and_advance(&dp->val.d, ap);
}
break;
case nsXPTType::T_BOOL:
if (next_gpr < PARAM_GPR_COUNT) {
- dp->val.b = (bool)gprData[next_gpr++];
+ dp->val.b = (bool)(uint8_t)gprData[next_gpr++];
} else {
- dp->val.b = (bool)*ap++;
+ uint8_t value;
+ get_value_and_advance(&value, ap);
+ dp->val.b = (bool)value;
}
break;
@@ -155,7 +169,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_gpr < PARAM_GPR_COUNT) {
dp->val.c = (char)gprData[next_gpr++];
} else {
- dp->val.c = (char)*ap++;
+ get_value_and_advance(&dp->val.c, ap);
}
break;
@@ -163,7 +177,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
if (next_gpr < PARAM_GPR_COUNT) {
dp->val.wc = (wchar_t)gprData[next_gpr++];
} else {
- dp->val.wc = (wchar_t)*ap++;
+ get_value_and_advance(&dp->val.wc, ap);
}
break;
@@ -173,7 +187,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
}
}
- result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams);
+ nsresult result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams);
if (dispatchParams != paramBuffer) {
delete [] dispatchParams;
@@ -182,26 +196,34 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
return result;
}
+#ifdef __APPLE__
+#define GNU(str)
+#define UNDERSCORE "__"
+#else
+#define GNU(str) str
+#define UNDERSCORE "_"
+#endif
+
// Load w17 with the constant 'n' and branch to SharedStub().
# define STUB_ENTRY(n) \
__asm__ ( \
- ".section \".text\" \n\t" \
+ ".text\n\t" \
".align 2\n\t" \
".if "#n" < 10 \n\t" \
- ".globl _ZN14nsXPTCStubBase5Stub"#n"Ev \n\t" \
- ".hidden _ZN14nsXPTCStubBase5Stub"#n"Ev \n\t" \
- ".type _ZN14nsXPTCStubBase5Stub"#n"Ev,@function \n\n" \
- "_ZN14nsXPTCStubBase5Stub"#n"Ev: \n\t" \
+ ".globl " UNDERSCORE "ZN14nsXPTCStubBase5Stub"#n"Ev \n\t" \
+ GNU(".hidden _ZN14nsXPTCStubBase5Stub"#n"Ev \n\t") \
+ GNU(".type _ZN14nsXPTCStubBase5Stub"#n"Ev,@function \n\n")\
+ "" UNDERSCORE "ZN14nsXPTCStubBase5Stub"#n"Ev: \n\t" \
".elseif "#n" < 100 \n\t" \
- ".globl _ZN14nsXPTCStubBase6Stub"#n"Ev \n\t" \
- ".hidden _ZN14nsXPTCStubBase6Stub"#n"Ev \n\t" \
- ".type _ZN14nsXPTCStubBase6Stub"#n"Ev,@function \n\n" \
- "_ZN14nsXPTCStubBase6Stub"#n"Ev: \n\t" \
+ ".globl " UNDERSCORE "ZN14nsXPTCStubBase6Stub"#n"Ev \n\t" \
+ GNU(".hidden _ZN14nsXPTCStubBase6Stub"#n"Ev \n\t") \
+ GNU(".type _ZN14nsXPTCStubBase6Stub"#n"Ev,@function \n\n")\
+ "" UNDERSCORE "ZN14nsXPTCStubBase6Stub"#n"Ev: \n\t" \
".elseif "#n" < 1000 \n\t" \
- ".globl _ZN14nsXPTCStubBase7Stub"#n"Ev \n\t" \
- ".hidden _ZN14nsXPTCStubBase7Stub"#n"Ev \n\t" \
- ".type _ZN14nsXPTCStubBase7Stub"#n"Ev,@function \n\n" \
- "_ZN14nsXPTCStubBase7Stub"#n"Ev: \n\t" \
+ ".globl " UNDERSCORE "ZN14nsXPTCStubBase7Stub"#n"Ev \n\t" \
+ GNU(".hidden _ZN14nsXPTCStubBase7Stub"#n"Ev \n\t") \
+ GNU(".type _ZN14nsXPTCStubBase7Stub"#n"Ev,@function \n\n")\
+ UNDERSCORE "ZN14nsXPTCStubBase7Stub"#n"Ev: \n\t" \
".else \n\t" \
".err \"stub number "#n" >= 1000 not yet supported\"\n" \
".endif \n\t" \
diff --git a/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_aarch64.s b/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_aarch64.S
index 6603a4f25b..f2394aa316 100644
--- a/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_aarch64.s
+++ b/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_aarch64.S
@@ -2,16 +2,30 @@
# 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/.
+#ifdef __APPLE__
+#define SYM(x) _ ## x
+#else
+#define SYM(x) x
+#endif
+
.set NGPREGS,8
.set NFPREGS,8
- .section ".text"
+ .text
+ .align 2
.globl SharedStub
+#ifndef __APPLE__
.hidden SharedStub
.type SharedStub,@function
+#endif
SharedStub:
+ .cfi_startproc
stp x29, x30, [sp,#-16]!
+ .cfi_adjust_cfa_offset 16
+ .cfi_rel_offset x29, 0
+ .cfi_rel_offset x30, 8
mov x29, sp
+ .cfi_def_cfa_register x29
sub sp, sp, #8*(NGPREGS+NFPREGS)
stp x0, x1, [sp, #64+(0*8)]
@@ -30,10 +44,19 @@ SharedStub:
add x3, sp, #8*NFPREGS
add x4, sp, #0
- bl PrepareAndDispatch
+ bl SYM(PrepareAndDispatch)
add sp, sp, #8*(NGPREGS+NFPREGS)
+ .cfi_def_cfa_register sp
ldp x29, x30, [sp],#16
+ .cfi_adjust_cfa_offset -16
+ .cfi_restore x29
+ .cfi_restore x30
ret
+ .cfi_endproc
+#ifndef __APPLE__
.size SharedStub, . - SharedStub
+
+ .section .note.GNU-stack, "", @progbits
+#endif
diff --git a/xpcom/reflect/xptcall/md/unix/xptcstubs_darwin.cpp b/xpcom/reflect/xptcall/md/unix/xptcstubs_darwin.cpp
index 49edfca440..3d1addedaf 100644
--- a/xpcom/reflect/xptcall/md/unix/xptcstubs_darwin.cpp
+++ b/xpcom/reflect/xptcall/md/unix/xptcstubs_darwin.cpp
@@ -11,6 +11,8 @@
#include "xptcstubs_ppc_rhapsody.cpp"
#elif defined(__arm__)
#include "xptcstubs_arm.cpp"
+#elif defined(__aarch64__)
+#include "xptcstubs_aarch64.cpp"
#else
#error unknown cpu architecture
#endif
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-10 08:40:07 +0000