fusl/src/thread/sh/clone.s - Issue 1573973002: Add a "fork" of musl as //fusl.

Side by Side Diff

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Keyboard Shortcuts

	File
u :	up to issue
j / k :	jump to file after / before current file
J / K :	jump to next file with a comment after / before current file
	Side-by-side diff
i :	toggle intra-line diffs
e :	expand all comments
c :	collapse all comments
s :	toggle showing all comments
n / p :	next / previous diff chunk or comment
N / P :	next / previous comment
<Up> / <Down> :	next / previous line

	Issue
u :	up to list of issues
j / k :	jump to patch after / before current patch
o / <Enter> :	open current patch in side-by-side view
i :	open current patch in unified diff view

	Issue List
j / k :	jump to issue after / before current issue
o / <Enter> :	open current issue

Side by Side Diff: fusl/src/thread/sh/clone.s

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master

Patch Set: Created 4 years, 11 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

OLD	NEW
(Empty)
	1 .text

	2 .global __clone

	3 .type __clone, @function

	4 __clone:

	5 ! incoming: fn stack flags arg ptid tls ctid

	6 ! r4 r5 r6 r7 @r15 @(4,r15) @(8,r15)

	7

	8 mov #-16, r0

	9 and r0, r5

	10

	11 mov r4, r1 ! r1 = fn

	12 mov r7, r2 ! r2 = arg

	13

	14 mov #120, r3 ! r3 = __NR_clone

	15 mov r6, r4 ! r4 = flags

	16 !mov r5, r5 ! r5 = stack

	17 mov.l @r15, r6 ! r6 = ptid

	18 mov.l @(8,r15), r7 ! r7 = ctid

	19 mov.l @(4,r15), r0 ! r0 = tls

	20 trapa #31

	21

	22 or r0, r0

	23 or r0, r0

	24 or r0, r0

	25 or r0, r0

	26 or r0, r0

	27

	28 cmp/eq #0, r0

	29 bt 1f

	30

	31 ! we are the parent, return

	32 rts

	33 nop

	34

	35 1: ! we are the child, call fn(arg)

	36 mov.l 1f, r0

	37 mov r1, r5

	38 bsrf r0

	39 mov r2, r4

	40

	41 2: mov #1, r3 ! __NR_exit

	42 mov r0, r4

	43 trapa #31

	44

	45 or r0, r0

	46 or r0, r0

	47 or r0, r0

	48 or r0, r0

	49 or r0, r0

	50

	51 .align 2

	52 .hidden __shcall

	53 1: .long __shcall@PCREL+(.-2b)

OLD	NEW

« no previous file with comments | « fusl/src/thread/sh/__unmapself.s ('k') | fusl/src/thread/sh/syscall_cp.s » ('j') | no next file with comments »