| author |  Alex Rønne Petersen <alex@alexrp.com> 2026-01-27 05:23:02+01:00 |
| committer | Alex Rønne Petersen <alex@alexrp.com> 2026-01-27 05:23:31+01:00 |
| log | 519f1eb3613a95343d4401f0b3643636b1ee721e |
| tree | 03bf4154144bb0d38aa157e4ae3719300f86879c |
| parent | 4e3fadd90ea6ddb24b5f98b049ad3374d1db0ab8 |
| signature |  Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM |
musl: zero fp/lr registers in _start() and clone() on hexagon
2 files changed, 4 insertions(+), 0 deletions(-)
lib- libc
- musl
- arch
- hexagon
- src
- thread
- hexagon
lib/libc/musl/arch/hexagon/crt_arch.h+1
| ... | ... | @@ -13,6 +13,7 @@ START ": \n" |
| 13 | 13 | " r1 = memw(r2)\n" |
| 14 | 14 | " r1 = add(r2, r1)\n" |
| 15 | 15 | " r30 = #0 // Signals the end of backtrace\n" |
| 16 | " r31 = #0\n" | |
| 16 | 17 | " r0 = r29 // Pointer to argc/argv\n" |
| 17 | 18 | " r29 = and(r29, #-16) // Align\n" |
| 18 | 19 | " memw(r29+#-8) = r29\n" |
lib/libc/musl/src/thread/hexagon/clone.s+3
| ... | ... | @@ -29,6 +29,9 @@ __clone: |
| 29 | 29 | p0 = cmp.eq(r0, #0) |
| 30 | 30 | if (!p0) dealloc_return |
| 31 | 31 | |
| 32 | { r30 = #0 | |
| 33 | r31 = #0 } | |
| 34 | ||
| 32 | 35 | { r0 = r10 |
| 33 | 36 | callr r11 } |
| 34 | 37 |