diff options
Diffstat (limited to 'arch/ia64/kernel/sal_stub.S')
| -rw-r--r-- | arch/ia64/kernel/sal_stub.S | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/arch/ia64/kernel/sal_stub.S b/arch/ia64/kernel/sal_stub.S index 7ab16bbcd..d73851810 100644 --- a/arch/ia64/kernel/sal_stub.S +++ b/arch/ia64/kernel/sal_stub.S @@ -1,17 +1,19 @@ /* - * gcc currently does not conform to the ia-64 calling convention as far - * as returning function values are concerned. Instead of returning - * values up to 32 bytes in size in r8-r11, gcc returns any value - * bigger than a doubleword via a structure that's allocated by the - * caller and whose address is passed into the function. Since - * SAL_PROC returns values according to the calling convention, this - * stub takes care of copying r8-r11 to the place where gcc expects - * them. - * - * Copyright (C) 1998, 1999 Hewlett-Packard Co - * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com> + * Copyright (C) 1998-2000 Hewlett-Packard Co + * Copyright (C) 1998-2000 David Mosberger-Tang <davidm@hpl.hp.com> */ #ifndef __GCC_MULTIREG_RETVALS__ + /* + * gcc currently does not conform to the ia-64 calling + * convention as far as returning function values are + * concerned. Instead of returning values up to 32 bytes in + * size in r8-r11, gcc returns any value bigger than a + * doubleword via a structure that's allocated by the caller + * and whose address is passed into the function. Since + * SAL_PROC returns values according to the calling + * convention, this stub takes care of copying r8-r11 to the + * place where gcc expects them. + */ .text .psr abi64 .psr lsb |