start: Align the stack on s390x just in case.
The kernel does this as required, but we cannot trust dynamic linkers to do it.
1 files changed, 2 insertions(+), 1 deletions(-)
lib
std
lib/std/start.zig+2-1
| ... | ... | @@ -373,8 +373,9 @@ fn _start() callconv(.Naked) noreturn { |
| 373 | 373 | , |
| 374 | 374 | .s390x => |
| 375 | 375 | // Set up the stack frame (register save area and cleared back-chain slot). |
| 376 | | // Note: Stack pointer is guaranteed by ABI to be 8-byte aligned as required. |
| 377 | 376 | \\ lgr %r2, %r15 |
| 377 | \\ lghi %r0, -16 |
| 378 | \\ ngr %r15, %r0 |
| 378 | 379 | \\ aghi %r15, -160 |
| 379 | 380 | \\ lghi %r0, 0 |
| 380 | 381 | \\ stg %r0, 0(%r15) |
Alex Rønne Petersen <alex@alexrp.com> 2024-07-24 17:36:34+02:00
Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM