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-rw-r--r--runtime/arch/arm/quick_entrypoints_arm.S35
-rw-r--r--runtime/arch/mips/quick_entrypoints_mips.S34
-rw-r--r--runtime/arch/x86/quick_entrypoints_x86.S53
3 files changed, 117 insertions, 5 deletions
diff --git a/runtime/arch/arm/quick_entrypoints_arm.S b/runtime/arch/arm/quick_entrypoints_arm.S
index 9a853d07ab..1a058ea61e 100644
--- a/runtime/arch/arm/quick_entrypoints_arm.S
+++ b/runtime/arch/arm/quick_entrypoints_arm.S
@@ -69,12 +69,24 @@
.macro RESTORE_REF_ONLY_CALLEE_SAVE_FRAME
add sp, #4 @ bottom word holds Method*
pop {r5-r8, r10-r11, lr} @ 7 words of callee saves
+ .cfi_restore r5
+ .cfi_restore r6
+ .cfi_restore r7
+ .cfi_restore r8
+ .cfi_restore r10
+ .cfi_restore r11
.cfi_adjust_cfa_offset -32
.endm
.macro RESTORE_REF_ONLY_CALLEE_SAVE_FRAME_AND_RETURN
add sp, #4 @ bottom word holds Method*
pop {r5-r8, r10-r11, lr} @ 7 words of callee saves
+ .cfi_restore r5
+ .cfi_restore r6
+ .cfi_restore r7
+ .cfi_restore r8
+ .cfi_restore r10
+ .cfi_restore r11
.cfi_adjust_cfa_offset -32
bx lr @ return
.endm
@@ -86,7 +98,6 @@
.macro SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME
push {r1-r3, r5-r8, r10-r11, lr} @ 10 words of callee saves
.save {r1-r3, r5-r8, r10-r11, lr}
- .cfi_adjust_cfa_offset 40
.cfi_rel_offset r1, 0
.cfi_rel_offset r2, 4
.cfi_rel_offset r3, 8
@@ -97,6 +108,7 @@
.cfi_rel_offset r10, 28
.cfi_rel_offset r11, 32
.cfi_rel_offset lr, 36
+ .cfi_adjust_cfa_offset 40
sub sp, #8 @ 2 words of space, bottom word will hold Method*
.pad #8
.cfi_adjust_cfa_offset 8
@@ -105,6 +117,15 @@
.macro RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME
add sp, #8 @ rewind sp
pop {r1-r3, r5-r8, r10-r11, lr} @ 10 words of callee saves
+ .cfi_restore r1
+ .cfi_restore r2
+ .cfi_restore r3
+ .cfi_restore r5
+ .cfi_restore r6
+ .cfi_restore r7
+ .cfi_restore r8
+ .cfi_restore r10
+ .cfi_restore r11
.cfi_adjust_cfa_offset -48
.endm
@@ -285,6 +306,11 @@ ENTRY art_quick_invoke_stub
ldr ip, [sp, #24] @ load the result pointer
strd r0, [ip] @ store r0/r1 into result pointer
pop {r0, r4, r5, r9, r11, lr} @ restore spill regs
+ .cfi_restore r0
+ .cfi_restore r4
+ .cfi_restore r5
+ .cfi_restore r9
+ .cfi_restore lr
.cfi_adjust_cfa_offset -24
bx lr
END art_quick_invoke_stub
@@ -413,6 +439,8 @@ throw_class_cast_exception:
add sp, #4
.cfi_adjust_cfa_offset -4
pop {r0-r1, lr}
+ .cfi_restore r0
+ .cfi_restore r1
SETUP_SAVE_ALL_CALLEE_SAVE_FRAME // save all registers as basis for long jump context
mov r2, r9 @ pass Thread::Current
mov r3, sp @ pass SP
@@ -689,6 +717,7 @@ ENTRY art_quick_set64_static
.cfi_rel_offset r9, 0
bl artSet64StaticFromCode @ (field_idx, referrer, new_val, Thread*, SP)
add sp, #16 @ release out args
+ .cfi_adjust_cfa_offset -16
RESTORE_REF_ONLY_CALLEE_SAVE_FRAME @ TODO: we can clearly save an add here
RETURN_IF_RESULT_IS_ZERO
DELIVER_PENDING_EXCEPTION
@@ -1137,6 +1166,8 @@ art_quick_instrumentation_exit:
mov r2, r0 @ link register saved by instrumentation
mov lr, r1 @ r1 is holding link register if we're to bounce to deoptimize
pop {r0, r1} @ restore return value
+ .cfi_restore r0
+ .cfi_restore r1
add sp, #32 @ remove callee save frame
.cfi_adjust_cfa_offset -32
bx r2 @ return
@@ -1187,6 +1218,8 @@ ENTRY art_quick_mul_long
mov r1,r10
pop {r9 - r10}
.cfi_adjust_cfa_offset -8
+ .cfi_restore r9
+ .cfi_restore r10
bx lr
END art_quick_mul_long
diff --git a/runtime/arch/mips/quick_entrypoints_mips.S b/runtime/arch/mips/quick_entrypoints_mips.S
index 451b1bb30f..886271166c 100644
--- a/runtime/arch/mips/quick_entrypoints_mips.S
+++ b/runtime/arch/mips/quick_entrypoints_mips.S
@@ -89,28 +89,46 @@
.macro RESTORE_REF_ONLY_CALLEE_SAVE_FRAME
lw $ra, 60($sp)
+ .cfi_restore 31
lw $s8, 56($sp)
+ .cfi_restore 30
lw $gp, 52($sp)
+ .cfi_restore 28
lw $s7, 48($sp)
+ .cfi_restore 23
lw $s6, 44($sp)
+ .cfi_restore 22
lw $s5, 40($sp)
+ .cfi_restore 21
lw $s4, 36($sp)
+ .cfi_restore 20
lw $s3, 32($sp)
+ .cfi_restore 19
lw $s2, 28($sp)
+ .cfi_restore 18
addiu $sp, $sp, 64
.cfi_adjust_cfa_offset -64
.endm
.macro RESTORE_REF_ONLY_CALLEE_SAVE_FRAME_AND_RETURN
lw $ra, 60($sp)
+ .cfi_restore 31
lw $s8, 56($sp)
+ .cfi_restore 30
lw $gp, 52($sp)
+ .cfi_restore 28
lw $s7, 48($sp)
+ .cfi_restore 23
lw $s6, 44($sp)
+ .cfi_restore 22
lw $s5, 40($sp)
+ .cfi_restore 21
lw $s4, 36($sp)
+ .cfi_restore 20
lw $s3, 32($sp)
+ .cfi_restore 19
lw $s2, 28($sp)
+ .cfi_restore 18
jr $ra
addiu $sp, $sp, 64
.cfi_adjust_cfa_offset -64
@@ -153,17 +171,29 @@
.macro RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME
lw $ra, 60($sp)
+ .cfi_restore 31
lw $s8, 56($sp)
+ .cfi_restore 30
lw $gp, 52($sp)
+ .cfi_restore 28
lw $s7, 48($sp)
+ .cfi_restore 23
lw $s6, 44($sp)
+ .cfi_restore 22
lw $s5, 40($sp)
+ .cfi_restore 21
lw $s4, 36($sp)
+ .cfi_restore 20
lw $s3, 32($sp)
+ .cfi_restore 19
lw $s2, 28($sp)
+ .cfi_restore 18
lw $a3, 12($sp)
+ .cfi_restore 7
lw $a2, 8($sp)
+ .cfi_restore 6
lw $a1, 4($sp)
+ .cfi_restore 5
addiu $sp, $sp, 64 # pop frame
.cfi_adjust_cfa_offset -64
.endm
@@ -463,9 +493,13 @@ ENTRY art_quick_invoke_stub
sw $zero, 0($sp) # store NULL for method* at bottom of frame
move $sp, $fp # restore the stack
lw $s0, 0($sp)
+ .cfi_restore 16
lw $s1, 4($sp)
+ .cfi_restore 17
lw $fp, 8($sp)
+ .cfi_restore 30
lw $ra, 12($sp)
+ .cfi_restore 31
addiu $sp, $sp, 16
.cfi_adjust_cfa_offset -16
lw $t0, 16($sp) # get result pointer
diff --git a/runtime/arch/x86/quick_entrypoints_x86.S b/runtime/arch/x86/quick_entrypoints_x86.S
index 6fe499374a..ee78d45793 100644
--- a/runtime/arch/x86/quick_entrypoints_x86.S
+++ b/runtime/arch/x86/quick_entrypoints_x86.S
@@ -16,14 +16,19 @@
#include "asm_support_x86.S"
+// For x86, the CFA is esp+4, the address above the pushed return address on the stack.
+
/*
* Macro that sets up the callee save frame to conform with
* Runtime::CreateCalleeSaveMethod(kSaveAll)
*/
MACRO0(SETUP_SAVE_ALL_CALLEE_SAVE_FRAME)
PUSH edi // Save callee saves (ebx is saved/restored by the upcall)
+ .cfi_rel_offset edi, -8
PUSH esi
+ .cfi_rel_offset esi, -12
PUSH ebp
+ .cfi_rel_offset ebp, -16
subl MACRO_LITERAL(16), %esp // Grow stack by 4 words, bottom word will hold Method*
.cfi_adjust_cfa_offset 16
END_MACRO
@@ -34,8 +39,11 @@ END_MACRO
*/
MACRO0(SETUP_REF_ONLY_CALLEE_SAVE_FRAME)
PUSH edi // Save callee saves (ebx is saved/restored by the upcall)
+ .cfi_rel_offset edi, -8
PUSH esi
+ .cfi_rel_offset esi, -12
PUSH ebp
+ .cfi_rel_offset ebp, -16
subl MACRO_LITERAL(16), %esp // Grow stack by 4 words, bottom word will hold Method*
.cfi_adjust_cfa_offset 16
END_MACRO
@@ -43,8 +51,11 @@ END_MACRO
MACRO0(RESTORE_REF_ONLY_CALLEE_SAVE_FRAME)
addl MACRO_LITERAL(16), %esp // Unwind stack up to return address
POP ebp // Restore callee saves (ebx is saved/restored by the upcall)
+ .cfi_restore ebp
POP esi
+ .cfi_restore esi
POP edi
+ .cfi_restore edi
.cfi_adjust_cfa_offset -28
END_MACRO
@@ -54,23 +65,36 @@ END_MACRO
*/
MACRO0(SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME)
PUSH edi // Save callee saves
+ .cfi_rel_offset edi, -8
PUSH esi
+ .cfi_rel_offset esi, -12
PUSH ebp
+ .cfi_rel_offset ebp, -16
PUSH ebx // Save args
+ .cfi_rel_offset ebx, -20
PUSH edx
+ .cfi_rel_offset edx, -24
PUSH ecx
+ .cfi_rel_offset ecx, -28
PUSH eax // Align stack, eax will be clobbered by Method*
+ .cfi_rel_offset eax, -28
END_MACRO
MACRO0(RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME)
addl MACRO_LITERAL(4), %esp // Remove padding
.cfi_adjust_cfa_offset -4
POP ecx // Restore args except eax
+ .cfi_restore ecx
POP edx
+ .cfi_restore edx
POP ebx
+ .cfi_restore ebx
POP ebp // Restore callee saves
+ .cfi_restore ebp
POP esi
+ .cfi_restore esi
POP edi
+ .cfi_restore edi
END_MACRO
/*
@@ -188,12 +212,19 @@ MACRO2(INVOKE_TRAMPOLINE, c_name, cxx_name)
// Set up the callee save frame to conform with Runtime::CreateCalleeSaveMethod(kRefsAndArgs)
// return address
PUSH edi
+ .cfi_rel_offset edi, -8
PUSH esi
+ .cfi_rel_offset esi, -12
PUSH ebp
- PUSH ebx
+ .cfi_rel_offset ebp, -16
+ PUSH ebx // Save args
+ .cfi_rel_offset ebx, -20
PUSH edx
+ .cfi_rel_offset edx, -24
PUSH ecx
- PUSH eax // <-- callee save Method* to go here
+ .cfi_rel_offset ecx, -28
+ PUSH eax // <-- callee save Method* to go here
+ .cfi_rel_offset eax, -32
movl %esp, %edx // remember SP
// Outgoing argument set up
subl MACRO_LITERAL(12), %esp // alignment padding
@@ -209,11 +240,16 @@ MACRO2(INVOKE_TRAMPOLINE, c_name, cxx_name)
movl %edx, %edi // save code pointer in EDI
addl MACRO_LITERAL(36), %esp // Pop arguments skip eax
.cfi_adjust_cfa_offset -36
- POP ecx // Restore args
+ POP ecx // Restore args except eax
+ .cfi_restore ecx
POP edx
+ .cfi_restore edx
POP ebx
- POP ebp // Restore callee saves.
+ .cfi_restore ebx
+ POP ebp // Restore callee saves
+ .cfi_restore ebp
POP esi
+ .cfi_restore esi
// Swap EDI callee save with code pointer.
xchgl %edi, (%esp)
testl %eax, %eax // Branch forward if exception pending.
@@ -248,7 +284,9 @@ INVOKE_TRAMPOLINE art_quick_invoke_virtual_trampoline_with_access_check, artInvo
*/
DEFINE_FUNCTION art_quick_invoke_stub
PUSH ebp // save ebp
+ .cfi_rel_offset ebp, -8
PUSH ebx // save ebx
+ .cfi_rel_offset ebx, -12
mov %esp, %ebp // copy value of stack pointer into base pointer
.cfi_def_cfa_register ebp
mov 20(%ebp), %ebx // get arg array size
@@ -269,8 +307,11 @@ DEFINE_FUNCTION art_quick_invoke_stub
mov 12(%esp), %ebx // copy arg3 into ebx
call *METHOD_CODE_OFFSET(%eax) // call the method
mov %ebp, %esp // restore stack pointer
+ .cfi_def_cfa_register esp
POP ebx // pop ebx
+ .cfi_restore ebx
POP ebp // pop ebp
+ .cfi_restore ebp
mov 20(%esp), %ecx // get result pointer
cmpl LITERAL(68), 24(%esp) // test if result type char == 'D'
je return_double_quick
@@ -495,7 +536,9 @@ END_FUNCTION art_quick_is_assignable
DEFINE_FUNCTION art_quick_check_cast
PUSH eax // alignment padding
PUSH ecx // pass arg2 - obj->klass
+ .cfi_rel_offset ecx, -12
PUSH eax // pass arg1 - checked class
+ .cfi_rel_offset eax, -16
call SYMBOL(artIsAssignableFromCode) // (Class* klass, Class* ref_klass)
testl %eax, %eax
jz 1f // jump forward if not assignable
@@ -504,7 +547,9 @@ DEFINE_FUNCTION art_quick_check_cast
ret
1:
POP eax // pop arguments
+ .cfi_restore eax
POP ecx
+ .cfi_restore ecx
addl LITERAL(4), %esp
.cfi_adjust_cfa_offset -12
SETUP_SAVE_ALL_CALLEE_SAVE_FRAME // save all registers as basis for long jump context
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-07 14:01:48 +0000