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Convert BSD trap codes to i386.

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Submitted by:	F. Gouget <fgouget@free.fr>
This commit is contained in:
Pierre Beyssac 2001-11-20 09:39:31 +00:00
parent 9c9c290361
commit 27a828fcb6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=86647
1 changed files with 41 additions and 2 deletions
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43
sys/i386/linux/linux_sysvec.c
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@ -138,6 +138,45 @@ int linux_to_bsd_signal[LINUX_SIGTBLSZ] = {
SIGIO, SIGURG, 0
};
#define LINUX_T_UNKNOWN 255
static int _bsd_to_linux_trapcode[] = {
LINUX_T_UNKNOWN, /* 0 */
6, /* 1 T_PRIVINFLT */
LINUX_T_UNKNOWN, /* 2 */
3, /* 3 T_BPTFLT */
LINUX_T_UNKNOWN, /* 4 */
LINUX_T_UNKNOWN, /* 5 */
16, /* 6 T_ARITHTRAP */
254, /* 7 T_ASTFLT */
LINUX_T_UNKNOWN, /* 8 */
13, /* 9 T_PROTFLT */
1, /* 10 T_TRCTRAP */
LINUX_T_UNKNOWN, /* 11 */
14, /* 12 T_PAGEFLT */
LINUX_T_UNKNOWN, /* 13 */
17, /* 14 T_ALIGNFLT */
LINUX_T_UNKNOWN, /* 15 */
LINUX_T_UNKNOWN, /* 16 */
LINUX_T_UNKNOWN, /* 17 */
0, /* 18 T_DIVIDE */
2, /* 19 T_NMI */
4, /* 20 T_OFLOW */
5, /* 21 T_BOUND */
7, /* 22 T_DNA */
8, /* 23 T_DOUBLEFLT */
9, /* 24 T_FPOPFLT */
10, /* 25 T_TSSFLT */
11, /* 26 T_SEGNPFLT */
12, /* 27 T_STKFLT */
18, /* 28 T_MCHK */
19, /* 29 T_XMMFLT */
15 /* 30 T_RESERVED */
};
#define bsd_to_linux_trapcode(code) \
((code)<sizeof(_bsd_to_linux_trapcode)/sizeof(*_bsd_to_linux_trapcode)? \
_bsd_to_linux_trapcode[(code)]: \
LINUX_T_UNKNOWN)
/*
* If FreeBSD & Linux have a difference of opinion about what a trap
* means, deal with it here.
@ -321,7 +360,7 @@ linux_rt_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
frame.sf_sc.uc_mcontext.sc_esp_at_signal = regs->tf_esp;
frame.sf_sc.uc_mcontext.sc_ss = regs->tf_ss;
frame.sf_sc.uc_mcontext.sc_err = regs->tf_err;
frame.sf_sc.uc_mcontext.sc_trapno = code; /* XXX ???? */
frame.sf_sc.uc_mcontext.sc_trapno = bsd_to_linux_trapcode(code);
#ifdef DEBUG
if (ldebug(rt_sendsig))
@ -458,7 +497,7 @@ linux_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
frame.sf_sc.sc_esp_at_signal = regs->tf_esp;
frame.sf_sc.sc_ss = regs->tf_ss;
frame.sf_sc.sc_err = regs->tf_err;
frame.sf_sc.sc_trapno = code; /* XXX ???? */
frame.sf_sc.sc_trapno = bsd_to_linux_trapcode(code);
bzero(&frame.sf_fpstate, sizeof(struct l_fpstate));