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* i386-sol2-tdep.c (i386_sol2_mcontext_addr): New function.

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(i386_sol2_init_abi): Initialize TDEP->sigcontext_addr,
TDEP->sc_reg_offset and TDEP->sc_num_regs.
This commit is contained in:
Mark Kettenis 2003-12-28 19:48:15 +00:00
parent 2666fb59a0
commit 8349554deb
2 changed files with 22 additions and 0 deletions
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4
gdb/ChangeLog
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@ -1,5 +1,9 @@
2003-12-28 Mark Kettenis <kettenis@gnu.org>
* i386-sol2-tdep.c (i386_sol2_mcontext_addr): New function.
(i386_sol2_init_abi): Initialize TDEP->sigcontext_addr,
TDEP->sc_reg_offset and TDEP->sc_num_regs.
* i386-tdep.h (i386_regnum): Add I386_CS_REGNUM and
I386_SS_REGNUM.

18
gdb/i386-sol2-tdep.c
View File

@ -53,6 +53,20 @@ i386_sol2_pc_in_sigtramp (CORE_ADDR pc, char *name)
return (pc == 0xffffffff);
}
/* Solaris doesn't have a `struct sigcontext', but it does have a
`mcontext_t' that contains the saved set of machine registers. */
static CORE_ADDR
i386_sol2_mcontext_addr (struct frame_info *next_frame)
{
CORE_ADDR sp, ucontext_addr;
sp = frame_unwind_register_unsigned (next_frame, I386_ESP_REGNUM);
ucontext_addr = get_frame_memory_unsigned (next_frame, sp + 8, 4);
return ucontext_addr + 36;
}
/* Solaris 2. */
static void
@ -71,6 +85,10 @@ i386_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
tdep->sizeof_gregset = 19 * 4;
tdep->sizeof_fpregset = 380;
tdep->sigcontext_addr = i386_sol2_mcontext_addr;
tdep->sc_reg_offset = tdep->gregset_reg_offset;
tdep->sc_num_regs = tdep->gregset_num_regs;
/* Signal trampolines are slightly different from SVR4. */
set_gdbarch_pc_in_sigtramp (gdbarch, i386_sol2_pc_in_sigtramp);
}