From e58d37958778ef129e18bcb0757828ce1dc2d488 Mon Sep 17 00:00:00 2001 From: Brandon Bergren Date: Sun, 24 Nov 2019 06:43:03 +0000 Subject: [PATCH] [PowerPC] Fix stack padding issue on ppc32. Four bytes of padding are needed in the regular powerpc case to bring the stack frame size up to a multiple of 16 bytes to meet ABI requirements. Fixes odd hangs I was encountering during testing. --- libexec/rtld-elf/powerpc/rtld_start.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libexec/rtld-elf/powerpc/rtld_start.S b/libexec/rtld-elf/powerpc/rtld_start.S index bf1e258da6f..36f795bc30f 100644 --- a/libexec/rtld-elf/powerpc/rtld_start.S +++ b/libexec/rtld-elf/powerpc/rtld_start.S @@ -111,7 +111,7 @@ _ENTRY(.rtld_start) /* stack space for 30 GPRs + lr/cr */ #define NREGS 30 #define GPRWIDTH 4 -#define FUDGE 0 +#define FUDGE 4 #endif /* Stack frame needs the 12-byte ABI frame plus fudge factor. */ #define STACK_SIZE (NREGS * GPRWIDTH + 4 * 2 + 12 + FUDGE)