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style: put the repository assembly in gasm fmt canonical form

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Assisted-by: GLM 5.3 Flash
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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_amd64.s
+19 -19
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@@ -17,32 +17,32 @@
// - R14 holds the goroutine pointer and must survive across any call.
// Sentinel values chosen to be unlikely in normal execution.
#define SENTINEL_BP 0xDEADBEEFCAFEF00D
#define SENTINEL_BP 0xDEADBEEFCAFEF00D
#define SENTINEL_R14 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 sentinels in BP and R14, switches to the prepared stack and jumps
// to fn. The prepared stack's return address must be leaveJITCheckedRaw
// (read from leaveCheckedPtr).
TEXT ·enterJITChecked(SB), NOSPLIT, $0-16
MOVQ fn+0(FP), AX // target (before SP switch)
MOVQ SP, ·savedSP(SB) // preserve Go stack
MOVQ BP, ·savedBP(SB) // preserve frame pointer (vet requires save before clobber)
MOVQ R14, ·savedR14(SB) // preserve the goroutine pointer
MOVQ $SENTINEL_BP, BP // sentinel in BP
MOVQ $SENTINEL_R14, R14 // sentinel in R14
MOVQ stack+8(FP), SP // switch to prepared stack
MOVQ fn+0(FP), AX // target (before SP switch)
MOVQ SP, ·savedSP(SB) // preserve Go stack
MOVQ BP, ·savedBP(SB) // preserve frame pointer (vet requires save before clobber)
MOVQ R14, ·savedR14(SB) // preserve the goroutine pointer
MOVQ $SENTINEL_BP, BP // sentinel in BP
MOVQ $SENTINEL_R14, R14 // sentinel in R14
MOVQ stack+8(FP), SP // switch to prepared stack
JMP AX
// 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 BP and R14 exactly as the function left
// them. It checks the sentinels, 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 BP and R14 exactly as the function left
// them. It checks the sentinels, records violations in abiResult, then
// restores the Go stack and returns.
TEXT ·leaveJITCheckedRaw(SB), NOSPLIT, $0-0
// Check BP against the sentinel.
MOVQ $SENTINEL_BP, CX
@@ -58,10 +58,10 @@ bp_ok:
ORQ $2, ·abiResult(SB)
r14_ok:
MOVQ ·savedR14(SB), R14 // restore the goroutine pointer: the runtime
// needs it the moment Go code resumes, whether
// or not the kernel violated it (the violation
// is already recorded in abiResult)
MOVQ ·savedBP(SB), BP // restore the frame pointer
MOVQ ·savedR14(SB), R14 // restore the goroutine pointer: the runtime
// needs it the moment Go code resumes, whether
// or not the kernel violated it (the violation
// is already recorded in abiResult)
MOVQ ·savedBP(SB), BP // restore the frame pointer
MOVQ ·savedSP(SB), SP
RET