FreeChainXenon/binutils-gdb
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* Makefile.in (symfile-mem.o): Update dependencies.

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* i386-linux-tdep.c (i386_linux_dwarf_signal_frame_p): New.
	(i386_linux_init_abi): Call dwarf2_frame_set_signal_frame_p.
	* inf-ptrace.c (inf_ptrace_attach): Call
	observer_notify_inferior_created.
	* inftarg.c (child_attach): Likewise.
	* symfile-mem.c: Include "observer.h", "auxv.h", and "elf/common.h".
	(symbol_file_add_from_memory): Take NAME argument.  Use it for
	the new BFD's filename.
	(add_symbol_file_from_memory_command): Update call to
	symbol_file_add_from_memory.
	(struct symbol_file_add_from_memory_args, add_vsyscall_page)
	(symbol_file_add_from_memory_wrapper): New.
	(_initialize_symfile_mem): Register add_vsyscall_page as an
	inferior_created observer.
This commit is contained in:
Daniel Jacobowitz 2004-11-07 21:33:29 +00:00
parent abbc694557
commit 12b8a2cb8d
6 changed files with 135 additions and 5 deletions
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23
gdb/i386-linux-tdep.c
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@ -244,6 +244,27 @@ i386_linux_sigtramp_p (struct frame_info *next_frame)
|| strcmp ("__restore_rt", name) == 0);
}
/* Return one if the unwound PC from NEXT_FRAME is in a signal trampoline
which may have DWARF-2 CFI. */
static int
i386_linux_dwarf_signal_frame_p (struct gdbarch *gdbarch,
struct frame_info *next_frame)
{
CORE_ADDR pc = frame_pc_unwind (next_frame);
char *name;
find_pc_partial_function (pc, &name, NULL, NULL);
/* If a vsyscall DSO is in use, the signal trampolines may have these
names. */
if (name && (strcmp (name, "__kernel_sigreturn") == 0
|| strcmp (name, "__kernel_rt_sigreturn") == 0))
return 1;
return 0;
}
/* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>. */
#define I386_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 20
@ -414,6 +435,8 @@ i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
/* GNU/Linux uses the dynamic linker included in the GNU C Library. */
set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
dwarf2_frame_set_signal_frame_p (gdbarch, i386_linux_dwarf_signal_frame_p);
}
/* Provide a prototype to silence -Wmissing-prototypes. */