Hi Yoshinori, Yoshinori Sato wrote,
If argument passing to register case (ex. -mregparam=3). This case set all parameters set to register from caller. But callee refer to stack. So can't get parameter.
The patch breaks toolchain building for alpha:
/home/wbx/embedded-test/openadk/toolchain_qemu-alpha_uclibc-ng_alpha/usr/bin/alpha-openadk-linux-uclibc-gcc -c libc/sysdeps/linux/common/open.c -o libc/sysdeps/linux/common/open.os -Wall -Ws trict-prototypes -Wstrict-aliasing -funsigned-char -fno-builtin -fno-asm -fmerge-all-constants -std=gnu99 -fno-stack-protector -nostdinc -I./include -I./include -include libc-symbols.h -I./l ibc/sysdeps/linux/alpha -I./libc/sysdeps/linux -I./ldso/ldso/alpha -I./ldso/include -I. -DSTATIC -Os -fstrict-aliasing -fwrapv -fno-ident -fhonour-copts -static -Os -pipe -fomit-frame-pointe r -fno-unwind-tables -fno-asynchronous-unwind-tables -I./libpthread/linuxthreads.old/sysdeps/unix/sysv/linux/alpha -I./libpthread/linuxthreads.old/sysdeps/alpha -I./libpthread/linuxthreads.o ld/sysdeps/unix/sysv/linux -I./libpthread/linuxthreads.old/sysdeps/pthread -I./libpthread/linuxthreads.old -I./libpthread -I./libc/sysdeps/linux/common -isystem /home/wbx/embedded-test/opena dk/toolchain_qemu-alpha_uclibc-ng_alpha/usr/lib/gcc/alpha-openadk-linux-uclibc/5.3.0/include-fixed -isystem /home/wbx/embedded-test/openadk/toolchain_qemu-alpha_uclibc-ng_alpha/usr/lib/gcc/a lpha-openadk-linux-uclibc/5.3.0/include -I/home/wbx/embedded-test/openadk/target_qemu-alpha_uclibc-ng_alpha/usr/include/ -DNDEBUG -DIN_LIB=libc -fPIC -MT libc/sysdeps/linux/common/open.os -MD -MP -MF libc/sysdeps/linux/common/.open.os.dep In file included from ./include/sys/syscall.h:34:0, from libc/sysdeps/linux/common/open.c:10: ./include/cancel.h:43:19: error: conflicting types for '__open2_nocancel' #define _NC(name) __##name##_nocancel ^ ./include/bits/syscalls-common.h:96:6: note: in definition of macro 'SYSCALL_FUNC' type name(C_DECL_ARGS_##nargs(args)) { \ ^ libc/sysdeps/linux/common/open.c:22:1: note: in expansion of macro '_syscall2' _syscall2(int, __NC(open2), const char *, file, int, flags) ^ ./include/cancel.h:42:20: note: in expansion of macro '_NC' #define __NC(name) _NC(name) ^ libc/sysdeps/linux/common/open.c:22:16: note: in expansion of macro '__NC' _syscall2(int, __NC(open2), const char *, file, int, flags) ^
Any idea?
best regards Waldemar