diff options
Diffstat (limited to 'gdb/i386v-nat.c')
| -rw-r--r-- | gdb/i386v-nat.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/gdb/i386v-nat.c b/gdb/i386v-nat.c index b5b2a30..e2ca832 100644 --- a/gdb/i386v-nat.c +++ b/gdb/i386v-nat.c @@ -69,22 +69,27 @@ i386_register_u_addr (blockend, regnum) int blockend; int regnum; { -#if 0 - /* this will be needed if fp registers are reinstated */ - /* for now, you can look at them with 'info float' - * sys5 wont let you change them with ptrace anyway - */ - if (regnum >= FP0_REGNUM && regnum <= FP7_REGNUM) + struct user u; + int fpstate; + int ubase; + + ubase = blockend; + /* FIXME: Should have better way to test floating point range */ + if (regnum >= FP0_REGNUM && regnum <= (FP0_REGNUM + 7)) { - int ubase, fpstate; - struct user u; - ubase = blockend + 4 * (SS + 1) - KSTKSZ; - fpstate = ubase + ((char *)&u.u_fpstate - (char *)&u); +#ifdef KSTKSZ /* SCO, and others? */ + ubase += 4 * (SS + 1) - KSTKSZ; + fpstate = ubase + ((char *)&u.u_fps.u_fpstate - (char *)&u); return (fpstate + 0x1c + 10 * (regnum - FP0_REGNUM)); +#else + fpstate = ubase + ((char *)&u.i387.st_space - (char *)&u); + return (fpstate + 10 * (regnum - FP0_REGNUM)); +#endif } else -#endif - return (blockend + 4 * regmap[regnum]); + { + return (ubase + 4 * regmap[regnum]); + } } |