cppgc: Add .type directive to inline asm

.type directive is required on arm to enable ARM/Thumb interworking.

Bug: chromium:1071168
Change-Id: I2ff5046719b9c8f611e81970bfa61c68ed850362
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2153207Reviewed-by: Anton Bikineev <bikineev@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67188}

src/heap/cppgc/asm/arm/push_registers_asm.cc

@@ -18,6 +18,7 @@
 // https://en.wikipedia.org/wiki/Calling_convention#ARM_(A32)
 // http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/ka4127.html
 asm(".globl PushAllRegistersAndIterateStack             \n"
+    ".type PushAllRegistersAndIterateStack, %function   \n"
     ".hidden PushAllRegistersAndIterateStack            \n"
     "PushAllRegistersAndIterateStack:                   \n"
     // Push all callee-saved registers and save return address.

src/heap/cppgc/asm/arm64/push_registers_asm.cc

@@ -16,9 +16,9 @@
 // Calling convention source:
 // https://en.wikipedia.org/wiki/Calling_convention#ARM_(A64)
 
-asm(
-    ".globl PushAllRegistersAndIterateStack             \n"
+asm(".globl PushAllRegistersAndIterateStack             \n"
 #ifndef _WIN64
+    ".type PushAllRegistersAndIterateStack, %function   \n"
     ".hidden PushAllRegistersAndIterateStack            \n"
 #endif
     "PushAllRegistersAndIterateStack:                   \n"

src/heap/cppgc/asm/ia32/push_registers_asm.cc

@@ -23,6 +23,7 @@ asm(
     "_PushAllRegistersAndIterateStack:                  \n"
 #else   // !_WIN32
     ".globl PushAllRegistersAndIterateStack             \n"
+    ".type PushAllRegistersAndIterateStack, %function   \n"
     ".hidden PushAllRegistersAndIterateStack            \n"
     "PushAllRegistersAndIterateStack:                   \n"
 #endif  // !_WIN32

src/heap/cppgc/asm/mips/push_registers_asm.cc

@@ -12,6 +12,7 @@
 // GN toolchain (e.g. ChromeOS) and not provide them.
 asm(".set noreorder                                      \n"
     ".global PushAllRegistersAndIterateStack             \n"
+    ".type PushAllRegistersAndIterateStack, %function    \n"
     ".hidden PushAllRegistersAndIterateStack             \n"
     "PushAllRegistersAndIterateStack:                    \n"
     // Push all callee-saved registers and save return address.

src/heap/cppgc/asm/mips64/push_registers_asm.cc

@@ -12,6 +12,7 @@
 // GN toolchain (e.g. ChromeOS) and not provide them.
 asm(".set noreorder                                      \n"
     ".global PushAllRegistersAndIterateStack             \n"
+    ".type PushAllRegistersAndIterateStack, %function    \n"
     ".hidden PushAllRegistersAndIterateStack             \n"
     "PushAllRegistersAndIterateStack:                    \n"
     // Push all callee-saved registers and save return address.

src/heap/cppgc/asm/ppc/push_registers_asm.cc

@@ -22,6 +22,7 @@ asm(
     ".PushAllRegistersAndIterateStack:                  \n"
 #else
     ".globl PushAllRegistersAndIterateStack             \n"
+    ".type PushAllRegistersAndIterateStack, %function   \n"
     ".hidden PushAllRegistersAndIterateStack            \n"
     "PushAllRegistersAndIterateStack:                   \n"
 #endif

src/heap/cppgc/asm/s390/push_registers_asm.cc

@@ -14,6 +14,7 @@
 // S390 ABI source:
 // http://refspecs.linuxbase.org/ELF/zSeries/lzsabi0_zSeries.html
 asm(".globl PushAllRegistersAndIterateStack             \n"
+    ".type PushAllRegistersAndIterateStack, %function   \n"
     ".hidden PushAllRegistersAndIterateStack            \n"
     "PushAllRegistersAndIterateStack:                   \n"
     // Push all callee-saved registers.

src/heap/cppgc/asm/x64/push_registers_asm.cc

@@ -63,6 +63,7 @@ asm(
     "_PushAllRegistersAndIterateStack:                  \n"
 #else   // !__APPLE__
     ".globl PushAllRegistersAndIterateStack             \n"
+    ".type PushAllRegistersAndIterateStack, %function   \n"
     ".hidden PushAllRegistersAndIterateStack            \n"
     "PushAllRegistersAndIterateStack:                   \n"
 #endif  // !__APPLE__