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build: add attributes argument to TEXT

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Brings the TEXT() function signature closer to how the directive works
in assembly.

Also update almost all examples to use NOSPLIT.

Closes #11
This commit is contained in:
Michael McLoughlin
2019-01-06 20:04:51 -08:00
parent 76db5bb03f
commit 304c7425d2
25 changed files with 105 additions and 72 deletions
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2
examples/stadtx/asm.go
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@@ -38,7 +38,7 @@ func makelabels(name string, n int) []string {
func main() {
Package("github.com/mmcloughlin/avo/examples/stadtx")
TEXT("Hash", "func(state *State, key []byte) uint64")
TEXT("Hash", NOSPLIT, "func(state *State, key []byte) uint64")
Doc("Hash computes the Stadtx hash.")
statePtr := Load(Param("state"), GP64())

4
examples/stadtx/stadtx.s
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@@ -1,7 +1,9 @@
// Code generated by command: go run asm.go -out stadtx.s -stubs stub.go. DO NOT EDIT.
#include "textflag.h"
// func Hash(state *State, key []byte) uint64
TEXT ·Hash(SB), $0-40
TEXT ·Hash(SB), NOSPLIT, $0-40
MOVQ state(FP), AX
MOVQ key_base+8(FP), CX
MOVQ key_len+16(FP), DX