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-rw-r--r--sysdeps/mach/hurd/alpha/longjmp-ts.c29
1 files changed, 18 insertions, 11 deletions
diff --git a/sysdeps/mach/hurd/alpha/longjmp-ts.c b/sysdeps/mach/hurd/alpha/longjmp-ts.c
index eb2764977c..b271d6d2a9 100644
--- a/sysdeps/mach/hurd/alpha/longjmp-ts.c
+++ b/sysdeps/mach/hurd/alpha/longjmp-ts.c
@@ -1,5 +1,5 @@
/* Perform a `longjmp' on a Mach thread_state. Alpha version.
- Copyright (C) 1991, 1994, 1997 Free Software Foundation, Inc.
+ Copyright (C) 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -27,15 +27,22 @@
void
_hurd_longjmp_thread_state (void *state, jmp_buf env, int val)
{
- struct alpha_thread_state *ts = state;
-
- ts->r9 = env[0].__jmpbuf[0].__9;
- ts->r11 = env[0].__jmpbuf[0].__11;
- ts->r12 = env[0].__jmpbuf[0].__12;
- ts->r13 = env[0].__jmpbuf[0].__13;
- ts->r14 = env[0].__jmpbuf[0].__14;
- ts->r15 = (long int) env[0].__jmpbuf[0].__fp;
- ts->r30 = (long int) env[0].__jmpbuf[0].__sp;
- ts->pc = (long int) env[0].__jmpbuf[0].__pc;
+ struct alpha_thread_state *const ts = state;
+
+ ts->r9 = env[0].__jmpbuf[JB_S0];
+ ts->r10 = env[0].__jmpbuf[JB_S1];
+ ts->r11 = env[0].__jmpbuf[JB_S2];
+ ts->r12 = env[0].__jmpbuf[JB_S3];
+ ts->r13 = env[0].__jmpbuf[JB_S4];
+ ts->r13 = env[0].__jmpbuf[JB_S5];
+ ts->pc = env[0].__jmpbuf[JB_PC];
+ ts->r15 = env[0].__jmpbuf[JB_FP];
+ ts->r30 = env[0].__jmpbuf[JB_SP];
ts->r0 = val ?: 1;
+
+ /* XXX
+ To mimic longjmp we ought to restore some fp registers too.
+ But those registers are in struct alpha_float_state.
+ The only use of this is in fork, and it probably won't matter.
+ */
}