hi, everybody.
i made a simple C program.
it use signal.
but, it does not work in my modified kernel.
I think the problem is byte aligned.
Android system binary is aligned odd( address& 0x01 == 1).
ex)
#strace dalvikvm
..
..
sigaction(SIGILL, {0xb0001a99, [], SA_RESTART}, {SIG_DFL}, 0) = 0
sigaction(SIGABRT, {0xb0001a99, [], SA_RESTART}, {SIG_DFL}, 0) = 0
sigaction(SIGBUS, {0xb0001a99, [], SA_RESTART}, {SIG_DFL}, 0) = 0
sigaction(SIGFPE, {0xb0001a99, [], SA_RESTART}, {SIG_DFL}, 0) = 0
sigaction(SIGSEGV, {0xb0001a99, [], SA_RESTART}, {SIG_DFL}, 0) = 0
sigaction(SIGSTKFLT, {0xb0001a99, [], SA_RESTART}, {SIG_DFL}, 0) = 0
sigaction(SIGPIPE, {0xb0001a99, [], SA_RESTART}, {SIG_DFL}, 0) = 0
..
..
signal handler address is odd.
so, it cause alignment trap
how can i fix it?
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