diff options
| -rw-r--r-- | gdb/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/i386-sol2-tdep.c | 18 |
2 files changed, 22 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index a0bd4c7..5c2e531 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -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. diff --git a/gdb/i386-sol2-tdep.c b/gdb/i386-sol2-tdep.c index 2aa964e..0da32d5 100644 --- a/gdb/i386-sol2-tdep.c +++ b/gdb/i386-sol2-tdep.c @@ -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); } |