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Re: [RFA] Ignore data minimal symbols for breakpoint linespecs
> Give that the target in question is 64-bit PowerPC, my bet is that by
> discarding data minimal symbols, you're also discarding function
> descriptors. That's probably not a good idea.
Thanks for the tip, Mark. After having looked at the logs, I think
you are right on the money. What do you think of the attached patch?
Edjunior, can you test it for me?
>From af87a92e11cf40dc2f2fcc358cf405e3cb2905ec Mon Sep 17 00:00:00 2001
From: Joel Brobecker <email@example.com>
Date: Wed, 28 Dec 2011 09:35:35 +0400
Subject: [PATCH] linespec: keep function descriptors during minimal symbol search
When discarding data (minimal) symbols, we need to be careful to
not throw away the function descriptors. This makes a different
on platforms where these descriptors are used and live in a data
* linespec.c (add_minsym): Preserve function descriptors.
gdb/linespec.c | 12 +++++++++++-
1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/gdb/linespec.c b/gdb/linespec.c
index 9d753e5..1266418 100644
@@ -2812,7 +2812,17 @@ add_minsym (struct minimal_symbol *minsym, void *d)
+ /* Make sure this minsym is not a function descriptor
+ before we decide to discard it. */
+ struct gdbarch *gdbarch = info->objfile->gdbarch;
+ CORE_ADDR addr = gdbarch_convert_from_func_ptr_addr
+ (gdbarch, SYMBOL_VALUE_ADDRESS (minsym),
+ if (addr == SYMBOL_VALUE_ADDRESS (minsym))
mo.minsym = minsym;