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authorChristoph Hellwig <hch@lst.de>2019-06-24 13:38:09 (GMT)
committerWaldemar Brodkorb <wbx@openadk.org>2019-07-05 12:47:21 (GMT)
commit721f0983ea98376644a22df578740b6489a4e49a (patch)
treef99d5eed854d7837822dc58660f0d0c968546e01
parented495bf14d60373c13357e0783ffd3b96e076360 (diff)
riscv: clear a3/a4 in crt1
We don't support shared libraries and thus _init/_fini. But loading nommu binaries blows they aren't cleared, so do that. Signed-off-by: Christoph Hellwig <hch@lst.de>
-rw-r--r--libc/sysdeps/linux/riscv64/crt1.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/riscv64/crt1.S b/libc/sysdeps/linux/riscv64/crt1.S
index 872e0b1..1e8403d 100644
--- a/libc/sysdeps/linux/riscv64/crt1.S
+++ b/libc/sysdeps/linux/riscv64/crt1.S
@@ -52,6 +52,11 @@ _start:
la a0, main
REG_L a1, 0(sp) /* argc. */
addi a2, sp, SZREG /* argv. */
+ /*
+ * No support fo app_init/app_fini as we don't support shared libraries.
+ */
+ mv a3, zero
+ mv a4, zero
andi sp, sp, ALMASK /* Align stack. */
mv a6, sp /* stack_end. */