X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fglibc-tdep.c;h=09a230dbd84a101ab10d5579793c68f3c37dbc09;hb=21af24c8371a3e040f6f548ddfafb20114442c28;hp=1c9eae82b99f774658244c5ff32ca734220ac1f2;hpb=a9762ec78a53fbe9209fe1654db42df0cd328d50;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/glibc-tdep.c b/gdb/glibc-tdep.c index 1c9eae82b9..09a230dbd8 100644 --- a/gdb/glibc-tdep.c +++ b/gdb/glibc-tdep.c @@ -1,6 +1,6 @@ /* Target-dependent code for the GNU C Library (glibc). - Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc. + Copyright (C) 2002-2020 Free Software Foundation, Inc. This file is part of GDB. @@ -27,35 +27,6 @@ /* Calling functions in shared libraries. */ -/* Find the minimal symbol named NAME, and return both the minsym - struct and its objfile. This probably ought to be in minsym.c, but - everything there is trying to deal with things like C++ and - SOFUN_ADDRESS_MAYBE_TURQUOISE, ... Since this is so simple, it may - be considered too special-purpose for general consumption. */ - -static struct minimal_symbol * -find_minsym_and_objfile (char *name, struct objfile **objfile_p) -{ - struct objfile *objfile; - - ALL_OBJFILES (objfile) - { - struct minimal_symbol *msym; - - ALL_OBJFILE_MSYMBOLS (objfile, msym) - { - if (SYMBOL_LINKAGE_NAME (msym) - && strcmp (SYMBOL_LINKAGE_NAME (msym), name) == 0) - { - *objfile_p = objfile; - return msym; - } - } - } - - return 0; -} - /* See the comments for SKIP_SOLIB_RESOLVER at the top of infrun.c. This function: 1) decides whether a PLT has sent us into the linker to resolve @@ -82,22 +53,21 @@ glibc_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc) of GNU/Linux will provide a portable, efficient interface for debugging programs that use shared libraries. */ - struct objfile *objfile; - struct minimal_symbol *resolver - = find_minsym_and_objfile ("_dl_runtime_resolve", &objfile); + struct bound_minimal_symbol resolver + = lookup_bound_minimal_symbol ("_dl_runtime_resolve"); - if (resolver) + if (resolver.minsym) { /* The dynamic linker began using this name in early 2005. */ - struct minimal_symbol *fixup - = lookup_minimal_symbol ("_dl_fixup", NULL, objfile); + struct bound_minimal_symbol fixup + = lookup_minimal_symbol ("_dl_fixup", NULL, resolver.objfile); /* This is the name used in older versions. */ - if (! fixup) - fixup = lookup_minimal_symbol ("fixup", NULL, objfile); + if (! fixup.minsym) + fixup = lookup_minimal_symbol ("fixup", NULL, resolver.objfile); - if (fixup && SYMBOL_VALUE_ADDRESS (fixup) == pc) - return frame_pc_unwind (get_current_frame ()); + if (fixup.minsym && BMSYMBOL_VALUE_ADDRESS (fixup) == pc) + return frame_unwind_caller_pc (get_current_frame ()); } return 0;