Implement arch specific methods of changing syscall number and error code

This introduces arch_set_error and arch_set_scno functions for each
supported architecture, needed to implement syscall fault injection.

* linux/aarch64/set_error.c: New file.
* linux/aarch64/set_scno.c: Likewise.
* linux/alpha/set_error.c: Likewise.
* linux/alpha/set_scno.c: Likewise.
* linux/arc/set_error.c: Likewise.
* linux/arc/set_scno.c: Likewise.
* linux/arm/set_error.c: Likewise.
* linux/arm/set_scno.c: Likewise.
* linux/avr32/set_error.c: Likewise.
* linux/avr32/set_scno.c: Likewise.
* linux/bfin/set_error.c: Likewise.
* linux/bfin/set_scno.c: Likewise.
* linux/crisv10/set_error.c: Likewise.
* linux/crisv10/set_scno.c: Likewise.
* linux/crisv32/set_error.c: Likewise.
* linux/crisv32/set_scno.c: Likewise.
* linux/hppa/set_error.c: Likewise.
* linux/hppa/set_scno.c: Likewise.
* linux/i386/set_error.c: Likewise.
* linux/i386/set_scno.c: Likewise.
* linux/ia64/set_error.c: Likewise.
* linux/ia64/set_scno.c: Likewise.
* linux/m68k/set_error.c: Likewise.
* linux/m68k/set_scno.c: Likewise.
* linux/metag/set_error.c: Likewise.
* linux/metag/set_scno.c: Likewise.
* linux/microblaze/set_error.c: Likewise.
* linux/microblaze/set_scno.c: Likewise.
* linux/mips/set_error.c: Likewise.
* linux/mips/set_scno.c: Likewise.
* linux/nios2/set_error.c: Likewise.
* linux/nios2/set_scno.c: Likewise.
* linux/or1k/set_error.c: Likewise.
* linux/or1k/set_scno.c: Likewise.
* linux/powerpc/set_error.c: Likewise.
* linux/powerpc/set_scno.c: Likewise.
* linux/powerpc64/set_error.c: Likewise.
* linux/powerpc64/set_scno.c: Likewise.
* linux/riscv/set_error.c: Likewise.
* linux/riscv/set_scno.c: Likewise.
* linux/s390/set_error.c: Likewise.
* linux/s390/set_scno.c: Likewise.
* linux/s390x/set_error.c: Likewise.
* linux/s390x/set_scno.c: Likewise.
* linux/sh/set_error.c: Likewise.
* linux/sh/set_scno.c: Likewise.
* linux/sh64/set_error.c: Likewise.
* linux/sh64/set_scno.c: Likewise.
* linux/sparc/set_error.c: Likewise.
* linux/sparc/set_scno.c: Likewise.
* linux/sparc64/set_error.c: Likewise.
* linux/sparc64/set_scno.c: Likewise.
* linux/tile/set_error.c: Likewise.
* linux/tile/set_scno.c: Likewise.
* linux/x32/set_error.c: Likewise.
* linux/x32/set_scno.c: Likewise.
* linux/x86_64/set_error.c: Likewise.
* linux/x86_64/set_scno.c: Likewise.
* linux/xtensa/set_error.c: Likewise.
* linux/xtensa/set_scno.c: Likewise.
* Makefile.am (EXTRA_DIST): Add them.

2 files changed, 11 insertions, 0 deletions

diff --git a/linux/microblaze/set_error.c b/linux/microblaze/set_error.c
new file mode 100644
index 000000000..98c5419ec
--- /dev/null
+++ b/linux/microblaze/set_error.c
@@ -0,0 +1,6 @@
+static int
+arch_set_error(struct tcb *tcp)
+{
+	microblaze_r3 = -tcp->u_error;
+	return upoke(tcp->pid, 3 * 4, microblaze_r3);
+}
diff --git a/linux/microblaze/set_scno.c b/linux/microblaze/set_scno.c
new file mode 100644
index 000000000..0f7ce9ec7
--- /dev/null
+++ b/linux/microblaze/set_scno.c
@@ -0,0 +1,5 @@
+static int
+arch_set_scno(struct tcb *tcp, long scno)
+{
+	return upoke(tcp->pid, 0, scno);
+}