diff options
Diffstat (limited to 'gdb/dwarf2read.c')
| -rw-r--r-- | gdb/dwarf2read.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index c19edf3..21729f6 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -443,8 +443,6 @@ static struct pending **list_in_scope = &file_symbols; none of the flags are set, the object lives at the address returned by decode_locdesc. */ -static int optimized_out; /* No ops in location in expression, - so object was optimized out. */ static int isreg; /* Object lives in register. decode_locdesc's return value is the register number. */ @@ -454,12 +452,6 @@ static int offreg; /* Object's address is the sum of the static int basereg; /* See `offreg'. */ static int isderef; /* Value described by flags above is the address of a pointer to the object. */ -static int islocal; /* Variable is at the returned offset - from the frame start, but there's - no identified frame pointer for - this function, so we can't say - which register it's relative to; - use LOC_LOCAL. */ /* DW_AT_frame_base values for the current function. frame_base_reg is -1 if DW_AT_frame_base is missing, otherwise it @@ -6891,8 +6883,10 @@ dwarf2_fundamental_type (struct objfile *objfile, int typeid) FIXME: Implement more operations as necessary. A location description containing no operations indicates that the - object is optimized out. The global optimized_out flag is set for - those, the return value is meaningless. + object is optimized out. The return value is meaningless for that case. + FIXME drow/2003-11-16: No callers check for this case any more; soon all + callers will only want a very basic result and this can become a + complaint. When the result is a register number, the global isreg flag is set, otherwise it is cleared. @@ -6901,9 +6895,7 @@ dwarf2_fundamental_type (struct objfile *objfile, int typeid) and the register number is returned in basereg, otherwise it is cleared. When the DW_OP_fbreg operation is encountered without a corresponding - DW_AT_frame_base attribute, the global islocal flag is set. - Hopefully the machine dependent code knows how to set up a virtual - frame pointer for the local references. + DW_AT_frame_base attribute, we complain. Note that stack[0] is unused except as a default error return. Note that stack overflow is not yet handled. */ @@ -6927,12 +6919,9 @@ decode_locdesc (struct dwarf_block *blk, struct dwarf2_cu *cu) isreg = 0; offreg = 0; isderef = 0; - islocal = 0; - optimized_out = 1; while (i < size) { - optimized_out = 0; op = data[i++]; switch (op) { @@ -7073,7 +7062,6 @@ decode_locdesc (struct dwarf_block *blk, struct dwarf2_cu *cu) { complaint (&symfile_complaints, "DW_AT_frame_base missing for DW_OP_fbreg"); - islocal = 1; } break; |