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| author | Paul Mundt <lethal@linux-sh.org> | 2005-03-31 19:30:38 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2005-03-31 19:30:38 +0000 |
| commit | 0560005b6bb699e195e7334d6908b53db7b2c943 (patch) | |
| tree | 2d3884f524d121af3b590c86f192e55aa283de0f /ldso/ldso/sh64/dl-syscalls.h | |
| parent | e643bb46c58a9eaf0dfb77e60c47539b487435be (diff) | |
sh64 ldso updates and fixes.
Update the sh64 ldso backend to work with Jocke's ldso changes.
We also handle a few more relative relocations, and fix a few spots where
the LSB was being set incorrectly for SHmedia branches.
Diffstat (limited to 'ldso/ldso/sh64/dl-syscalls.h')
| -rw-r--r-- | ldso/ldso/sh64/dl-syscalls.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/ldso/ldso/sh64/dl-syscalls.h b/ldso/ldso/sh64/dl-syscalls.h index f0f4baed8..1db7b6719 100644 --- a/ldso/ldso/sh64/dl-syscalls.h +++ b/ldso/ldso/sh64/dl-syscalls.h @@ -4,3 +4,21 @@ extern int _dl_errno; #define __set_errno(X) {(_dl_errno) = (X);} #include "sys/syscall.h" +#undef __syscall_return +#define __syscall_return(type, res) \ +do { \ + /* \ + * Note: when returning from kernel the return value is in r9 \ + * \ + * This prevents conflicts between return value and arg1 \ + * when dispatching signal handler, in other words makes \ + * life easier in the system call epilogue (see entry.S) \ + */ \ + register unsigned long __sr2 __asm__ ("r2") = res; \ + if ((unsigned long)(res) >= (unsigned long)(-125)) { \ + _dl_errno = -(res); \ + __sr2 = -1; \ + } \ + return (type)(__sr2); \ +} while (0) + |