From: Alex LIU <alex.liu@st.com>
To: UML-dev <user-mode-linux-devel@lists.sourceforge.net>
Subject: [uml-devel] question about UML sigcontext in tt mode
Date: Thu, 31 Mar 2005 18:03:34 +0800 [thread overview]
Message-ID: <003501c535d8$e8574a50$90b3c68a@st.com> (raw)
Hi,all:
I have a question about the sigcontext in tt mode.The union uml_pt_regs is defined as below(in uml-2.6.7):
--------------------------------
union uml_pt_regs {
#ifdef UML_CONFIG_MODE_TT
struct tt_regs {
long syscall;
void *sc;
} tt;
#endif
#ifdef UML_CONFIG_MODE_SKAS
struct skas_regs {
unsigned long regs[HOST_FRAME_SIZE];
unsigned long fp[HOST_FP_SIZE];
unsigned long xfp[HOST_XFP_SIZE];
unsigned long fault_addr;
unsigned long fault_type;
unsigned long trap_type;
long syscall;
int is_user;
} skas;
#endif
};
-------------------------------------
Then why the tt.sc is defined as void while not as struct sigcontext? Thanks!
Alex
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next reply other threads:[~2005-03-31 10:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-31 10:03 Alex LIU [this message]
2005-04-01 18:51 ` [uml-devel] question about UML sigcontext in tt mode Blaisorblade
2005-04-04 14:00 ` Jeff Dike
2005-04-05 17:20 ` Rob Landley
2005-04-05 20:59 ` Blaisorblade
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