diff options
Diffstat (limited to 'gdb/symtab.h')
| -rw-r--r-- | gdb/symtab.h | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/gdb/symtab.h b/gdb/symtab.h index ffc2f9b..24a807a 100644 --- a/gdb/symtab.h +++ b/gdb/symtab.h @@ -26,8 +26,12 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define obstack_chunk_alloc xmalloc #define obstack_chunk_free free -/* GNU C supports enums that are bitfields. Some old compilers don't. */ -#if defined(__GNUC__) && !defined(BYTE_BITFIELD) +/* Don't do this; it means that if some .o's are compiled with GNU C + and some are not (easy to do accidentally the way we configure + things; also it is a pain to have to "make clean" every time you + want to switch compilers), then GDB dies a horrible death. */ +/* GNU C supports enums that are bitfields. Some compilers don't. */ +#if 0 && defined(__GNUC__) && !defined(BYTE_BITFIELD) #define BYTE_BITFIELD :8; #else #define BYTE_BITFIELD /*nothing*/ @@ -57,6 +61,9 @@ struct general_symbol_info union { + /* The fact that this is a long not a LONGEST mainly limits the + range of a LOC_CONST. Since LOC_CONST_BYTES exists, I'm not + sure that is a big deal. */ long value; struct block *block; @@ -299,6 +306,15 @@ struct minimal_symbol mst_data, /* Generally initialized data */ mst_bss, /* Generally uninitialized data */ mst_abs, /* Generally absolute (nonrelocatable) */ + /* GDB uses mst_solib_trampoline for the start address of a shared + library trampoline entry. Breakpoints for shared library functions + are put there if the shared library is not yet loaded. + After the shared library is loaded, lookup_minimal_symbol will + prefer the minimal symbol from the shared library (usually + a mst_text symbol) over the mst_solib_trampoline symbol, and the + breakpoints will be moved to their true address in the shared + library via breakpoint_re_set. */ + mst_solib_trampoline, /* Shared library trampoline code */ /* For the mst_file* types, the names are only guaranteed to be unique within a given .o file. */ mst_file_text, /* Static version of mst_text */ @@ -1016,6 +1032,12 @@ lookup_minimal_symbol PARAMS ((const char *, struct objfile *)); extern struct minimal_symbol * lookup_minimal_symbol_by_pc PARAMS ((CORE_ADDR)); +extern struct minimal_symbol * +lookup_solib_trampoline_symbol_by_pc PARAMS ((CORE_ADDR)); + +extern CORE_ADDR +find_solib_trampoline_target PARAMS ((CORE_ADDR)); + extern void init_minimal_symbol_collection PARAMS ((void)); @@ -1097,6 +1119,9 @@ maintenance_print_msymbols PARAMS ((char *, int)); void maintenance_print_objfiles PARAMS ((char *, int)); +void +maintenance_check_symtabs PARAMS ((char *, int)); + #endif extern void |