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style: put the repository assembly in gasm fmt canonical form

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Assisted-by: GLM 5.3 Flash
This commit is contained in:
petrbalvin
2026-09-17 20:33:18 +02:00
parent 0b42ce7952
commit 03d6d4da54
26 changed files with 583 additions and 542 deletions
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verify/abi_loong64.s
+22 -22
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@@ -18,11 +18,11 @@
// spells this register "g"; R22 is not accepted.
// Sentinel value chosen to be unlikely in normal execution.
#define SENTINEL_G 0x0BADF00DDEADBEEF
#define SENTINEL_G 0x0BADF00DDEADBEEF
// GLOBL holding the raw address of the leave trampoline, read by Go.
GLOBL ·leaveCheckedPtr(SB), NOPTR, $8
DATA ·leaveCheckedPtr(SB)/8, $·leaveJITCheckedRaw(SB)
DATA ·leaveCheckedPtr(SB)/8, $·leaveJITCheckedRaw(SB)
// func enterJITChecked(fn uintptr, stack uintptr)
// Sets a sentinel in g (R22), switches to the prepared stack and jumps to
@@ -30,22 +30,22 @@ DATA ·leaveCheckedPtr(SB)/8, $·leaveJITCheckedRaw(SB)
// leaveJITCheckedRaw (read from leaveCheckedPtr). Only R4 and R5 are used
// as scratch: caller-saved, and R22 is not among them.
TEXT ·enterJITChecked(SB), NOSPLIT, $0-16
MOVV fn+0(FP), R4 // target function address (A0)
MOVV R1, savedRA(SB) // save return address (RA)
MOVV R3, savedSP(SB) // save Go stack pointer (SP)
MOVV g, savedG(SB) // save g
MOVV $SENTINEL_G, g // sentinel in g
MOVV stack+8(FP), R5 // load prepared stack pointer (A1)
MOVV 0(R5), R1 // load leaveJITCheckedRaw into RA
MOVV R5, R3 // SP stays on the leave slot: the kernel
// reads its first argument at SP+8
JIRL R0, R4, 0 // jump to JIT function
MOVV fn+0(FP), R4 // target function address (A0)
MOVV R1, savedRA(SB) // save return address (RA)
MOVV R3, savedSP(SB) // save Go stack pointer (SP)
MOVV g, savedG(SB) // save g
MOVV $SENTINEL_G, g // sentinel in g
MOVV stack+8(FP), R5 // load prepared stack pointer (A1)
MOVV 0(R5), R1 // load leaveJITCheckedRaw into RA
MOVV R5, R3 // SP stays on the leave slot: the kernel
// reads its first argument at SP+8
JIRL R0, R4, 0 // jump to JIT function
// leaveJITCheckedRaw is the raw return trampoline. It has NO Go function
// declaration, so no ABIInternal wrapper is generated; the JIT function's
// RET lands here directly, seeing g exactly as the function left it. It
// checks the sentinel, records violations in abiResult, then restores the
// Go stack and returns.
// leaveJITCheckedRaw is the raw return trampoline. It has NO Go function
// declaration, so no ABIInternal wrapper is generated; the JIT function's
// RET lands here directly, seeing g exactly as the function left it. It
// checks the sentinel, records violations in abiResult, then restores the
// Go stack and returns.
TEXT ·leaveJITCheckedRaw(SB), NOSPLIT, $0-0
// Check g against the sentinel.
MOVV $SENTINEL_G, R5
@@ -56,11 +56,11 @@ TEXT ·leaveJITCheckedRaw(SB), NOSPLIT, $0-0
MOVV R4, ·abiResult(SB)
g_ok:
MOVV savedSP(SB), R5 // restore Go stack pointer
MOVV savedSP(SB), R5 // restore Go stack pointer
MOVV R5, R3
MOVV savedRA(SB), R1 // restore return address
MOVV savedG(SB), g // restore g: Go code needs it the moment it
// resumes, violation or not
JIRL R0, R1, 0 // return to Go caller
MOVV savedRA(SB), R1 // restore return address
MOVV savedG(SB), g // restore g: Go code needs it the moment it
// resumes, violation or not
JIRL R0, R1, 0 // return to Go caller
GLOBL savedG(SB), NOPTR, $8