ARM64: unknown register name 'eax' in asm

[p709723778]

DCIntrospect.m:621:4: error: unknown register name 'eax' in asm DEBUGGER; ^ DCIntrospect-ARC/DCIntrospect.m:56:225: note: expanded from macro 'DEBUGGER'

define DEBUGGER do { int trapSignal = AmIBeingDebugged () ? SIGINT : SIGSTOP; asm volatile ("pushl %0\npushl %1\npush $0\nmovl %2, %%eax\nint $0x80\nadd $12, %%esp" : : "g" (trapSignal), "g" (getpid ()), "n" (37) : "eax", "cc"); } while (false);

                                                                                                                                                                                                                            ^

1 error generated.

Not sure how to fix it or what this code actually does.

There are solutions:

if TARGET_CPU_ARM

define DEBUGSTOP(signal) asm volatile ("mov r0, %0\nmov r1, %1\nmov r12, %2\nswi 128\n" : : "r"(getpid ()), "r"(signal), "r"(37) : "r12", "r0", "r1", "cc");

define DEBUGGER do { int trapSignal = AmIBeingDebugged () ? SIGINT : SIGSTOP; DEBUGSTOP(trapSignal); if (trapSignal == SIGSTOP) { DEBUGSTOP (SIGINT); } } while (false);

elif TARGET_CPU_ARM64

define DEBUGGER // Breaking into debugger on arm64 is not currently supported

else

define DEBUGGER do { int trapSignal = AmIBeingDebugged () ? SIGINT : SIGSTOP; asm volatile ("pushl %0\npushl %1\npush $0\nmovl %2, %%eax\nint $0x80\nadd $12, %%esp" : : "g" (trapSignal), "g" (getpid ()), "n" (37) : "eax", "cc"); } while (false);

[jozefizso]

@p709723778 you should check the DCIntrospect-ARC project which looks like to have this issue fixed.