Sha256: db20ad1769d01eb3f502da3451ee6b142baf2570dd7e7ebe15453aff36935df2
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Size: 736 Bytes
Versions: 3
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Stored size: 736 Bytes
Contents
//! s390x-specific definitions of architecture-specific functions in Wasmtime.
#[inline]
#[allow(missing_docs)]
pub fn get_stack_pointer() -> usize {
psm::stack_pointer() as usize
}
pub unsafe fn get_next_older_pc_from_fp(fp: usize) -> usize {
// The next older PC can be found in register %r14 at function entry, which
// was saved into slot 14 of the register save area pointed to by "FP" (the
// backchain pointer).
*(fp as *mut usize).offset(14)
}
// The next older "FP" (backchain pointer) was saved in the slot pointed to
// by the current "FP".
pub const NEXT_OLDER_FP_FROM_FP_OFFSET: usize = 0;
pub fn assert_fp_is_aligned(fp: usize) {
assert_eq!(fp % 8, 0, "stack should always be aligned to 8");
}
Version data entries
3 entries across 3 versions & 1 rubygems