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Re: gdb doesn't work well with DSO on Linux/mips
- From: "H . J . Lu" <hjl at lucon dot org>
- To: GDB <gdb at sources dot redhat dot com>
- Date: Sat, 23 Mar 2002 00:08:03 -0800
- Subject: Re: gdb doesn't work well with DSO on Linux/mips
- References: <20020322234648.A24693@lucon.org>
On Fri, Mar 22, 2002 at 11:46:48PM -0800, H . J . Lu wrote:
> # gdb /lib/ld-2.2.4.so
> (gdb) b _dl_start
> Breakpoint 1 at 0xfe4: file rtld.c, line 181.
> (gdb) r
> Starting program: /lib/ld-2.2.4.so
> Breakpoint 1 at 0x55550fe4: file rtld.c, line 181.
> warning: shared library handler failed to enable breakpoint
>
> The problem is the entry point for SVR4/MIPS is __start. But bkpt_names
> in solib-svr4.c only checks _start. Should I add __start to bkpt_names
> or define SOLIB_BKPT_NAME to __start for Linux/MIPS?
>
>
This seems to work for me.
H.J.
---
2002-03-22 H.J. Lu (hjl@gnu.org)
* config/mips/tm-linux.h (SOLIB_BKPT_NAME): New.
--- gdb/config/mips/tm-linux.h.dso Wed Mar 6 22:31:53 2002
+++ gdb/config/mips/tm-linux.h Fri Mar 22 23:53:42 2002
@@ -49,6 +49,9 @@ extern struct link_map_offsets *mips_lin
#define SVR4_FETCH_LINK_MAP_OFFSETS() \
mips_linux_svr4_fetch_link_map_offsets ()
+#undef SOLIB_BKPT_NAME
+#define SOLIB_BKPT_NAME "__start"
+
/* Details about jmp_buf. */
#define JB_ELEMENT_SIZE 4