Commit b3ac323a448e1e8a816eab64777b855396afe6c8 | zig

author	Robin Voetter <robin@voetter.nl> 2019-08-29 01:14:43+02:00
committer	Robin Voetter <robin@voetter.nl> 2019-08-29 01:14:43+02:00
log	b3ac323a448e1e8a816eab64777b855396afe6c8
tree	f3a4af6fe7a50ad021c38e96998be6cfc1afb7c9
parent	57de61084e1a805838243e5428e774a591197454

3 files changed, 33 insertions(+), 1 deletions(-)

std/os/linux/tls.zig+3

...	...	@@ -118,6 +118,9 @@ pub fn setThreadPointer(addr: usize) void {
118	118	: [addr] "r" (addr)
119	119	);
120	120	},
	121	.arm => \|arm\| {
	122	_ = std.os.linux.syscall1(std.os.linux.SYS_set_tls, addr);
	123	},
121	124	else => @compileError("Unsupported architecture"),
122	125	}
123	126	}

std/special/c.zig+29

...	...	@@ -238,6 +238,35 @@ nakedcc fn clone() void {
238	238	\\ mov x8,#93 // SYS_exit
239	239	\\ svc #0
240	240	);
	241	} else if (builtin.arch == builtin.Arch.arm) {
	242	asm volatile (
	243	\\ stmfd sp!,{r4,r5,r6,r7}
	244	\\ mov r7,#120
	245	\\ mov r6,r3
	246	\\ mov r5,r0
	247	\\ mov r0,r2
	248	\\ and r1,r1,#-16
	249	\\ ldr r2,[sp,#16]
	250	\\ ldr r3,[sp,#20]
	251	\\ ldr r4,[sp,#24]
	252	\\ svc 0
	253	\\ tst r0,r0
	254	\\ beq 1f
	255	\\ ldmfd sp!,{r4,r5,r6,r7}
	256	\\ bx lr
	257	\\
	258	\\1: mov r0,r6
	259	\\ tst r5,#1
	260	\\ bne 1f
	261	\\ mov lr,pc
	262	\\ mov pc,r5
	263	\\2: mov r7,#1
	264	\\ svc 0
	265	\\
	266	\\1: mov lr,pc
	267	\\ bx r5
	268	\\ b 2b
	269	);
241	270	} else {
242	271	@compileError("Implement clone() for this arch.");
243	272	}

std/special/start.zig+1-1