With patch: Code: ccache arm-linux-gnueabi-gcc -c -I/home/test/wine-git/dlls/ntdll -I. -I/home/test/wine-git/include -I../../include -D__WINESRC__ -D_NTSYSTEM_ -D_REENTRANT -fPIC -Wall -pipe -fno-strength-reduce -fno-strict-aliasing -Wdeclaration-after-statement -Wstrict-prototypes -Wtype-limits -Wwrite-strings -Wpointer-arith -Wlogical-op -g -O0 -o signal_arm.o /home/test/wine-git/dlls/ntdll/signal_arm.c {standard input}: Assembler messages: {standard input}:590: Error: r15 not allowed here -- `str PC,[r0,#0x40]'