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

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Unified Diff: fusl/src/thread/arm/syscall_cp.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

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Index: fusl/src/thread/arm/syscall_cp.s

diff --git a/fusl/src/thread/arm/syscall_cp.s b/fusl/src/thread/arm/syscall_cp.s

new file mode 100644

index 0000000000000000000000000000000000000000..a5730c08b826334f550055f31703e1c69227af27

--- /dev/null

+++ b/fusl/src/thread/arm/syscall_cp.s

@@ -0,0 +1,29 @@

+.syntax unified

+.global __cp_begin

+.hidden __cp_begin

+.global __cp_end

+.hidden __cp_end

+.global __cp_cancel

+.hidden __cp_cancel

+.hidden __cancel

+.global __syscall_cp_asm

+.hidden __syscall_cp_asm

+.type __syscall_cp_asm,%function

+__syscall_cp_asm:

+ mov ip,sp

+ stmfd sp!,{r4,r5,r6,r7,lr}

+__cp_begin:

+ ldr r0,[r0]

+ cmp r0,#0

+ blne __cp_cancel

+ mov r7,r1

+ mov r0,r2

+ mov r1,r3

+ ldmfd ip,{r2,r3,r4,r5,r6}

+ svc 0

+__cp_end:

+ ldmfd sp!,{r4,r5,r6,r7,lr}

+ bx lr

+__cp_cancel:

+ ldmfd sp!,{r4,r5,r6,r7,lr}

+ b __cancel

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