Kyle Isom
c13c868e77
Vendor dependencies and expose mcproxyctl binary via nix build. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
21 lines
607 B
ArmAsm
21 lines
607 B
ArmAsm
#include "textflag.h"
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// func callStrtod(fn uintptr, s uintptr, p uintptr) float64
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TEXT ·callStrtod(SB), NOSPLIT, $0
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// 1. Load arguments from Go stack
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// Go passes args on stack for ABI0 (assembly functions).
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MOVD fn+0(FP), R2 // Function address (use R2 as temp)
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MOVD s+8(FP), R0 // Arg 1: str -> x0 (R0 in Go ASM)
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MOVD p+16(FP), R1 // Arg 2: endptr -> x1 (R1 in Go ASM)
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// 2. Call the C function
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// BL (Branch with Link) to the address in R2
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CALL R2
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// 3. Handle Return Value
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// C returns double in d0 (F0 in Go ASM).
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// Go expects return value at ret+24(FP).
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FMOVD F0, ret+24(FP)
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RET
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