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[Bug win32/9474] GDB will not set pending breakpoints in DLL'sloaded with LoadLibrary()
- From: "pebolle at tiscali dot nl" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Thu, 28 Apr 2011 21:20:30 +0000
- Subject: [Bug win32/9474] GDB will not set pending breakpoints in DLL'sloaded with LoadLibrary()
- Auto-submitted: auto-generated
- References: <bug-9474-4717@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=9474
--- Comment #4 from Paul Bolle <pebolle at tiscali dot nl> 2011-04-28 21:19:44 UTC ---
(In reply to comment #3)
> 1) I looked around a bit in gdb's source (for instance in bfd/peXXigen.c), but
> haven't found the place(s) were this mapping of symbols to addresses goes awry
> for PE32 DLLs. Any suggestions were to look?
Not even compile tested:
diff --git a/gdb/coff-pe-read.c b/gdb/coff-pe-read.c
index ca87b72..0483158 100644
--- a/gdb/coff-pe-read.c
+++ b/gdb/coff-pe-read.c
@@ -150,6 +150,14 @@ read_pe_truncate_name (char *dll_name)
}
}
+static unsigned int
+pe_as16 (void *ptr)
+{
+ unsigned char *b = ptr;
+
+ return b[0] + (b[1] << 8);
+}
+
/* Low-level support functions, direct from the ld module pe-dll.c. */
static unsigned int
pe_get16 (bfd *abfd, int where)
@@ -309,11 +317,11 @@ read_pe_exported_syms (struct objfile *objfile)
bfd_bread (expdata, (bfd_size_type) export_size, dll);
erva = expdata - export_rva;
+ ordbase = pe_as32 (expdata + 16); /* unused */
nexp = pe_as32 (expdata + 24);
+ exp_funcbase = pe_as32 (expdata + 28);
name_rvas = pe_as32 (expdata + 32);
ordinals = pe_as32 (expdata + 36);
- ordbase = pe_as32 (expdata + 16);
- exp_funcbase = pe_as32 (expdata + 28);
/* Use internal dll name instead of full pathname. */
dll_name = pe_as32 (expdata + 12) + erva;
@@ -339,8 +347,10 @@ read_pe_exported_syms (struct objfile *objfile)
/* Pointer to the names vector. */
unsigned long name_rva = pe_as32 (erva + name_rvas + i * 4);
+ unsigned long ordinal = pe_as16 (erva + ordinals + i * 2);
+
/* Pointer to the function address vector. */
- unsigned long func_rva = pe_as32 (erva + exp_funcbase + i * 4);
+ unsigned long func_rva = pe_as32 (erva + exp_funcbase + ordinal * 4);
/* Find this symbol's section in our own array. */
int sectix = 0;
--
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