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* tm-sparc.h, dbxread.c (read_ofile_symtab): Install Jim Wilson's

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fix to differentiate between gcc1 & gcc2 compiled files so that we
can debug calls that pass structs as args correctly.
* symmisc.c (dump_symtab):  If block was compiled with gcc, say
so, and what version.
This commit is contained in:
Stu Grossman 1992-09-25 22:59:27 +00:00
parent b869d3f47f
commit 1aed676612
3 changed files with 40 additions and 26 deletions
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6
gdb/ChangeLog
View File

@ -1,5 +1,11 @@
Fri Sep 25 15:13:44 1992 Stu Grossman (grossman at cygnus.com)
* tm-sparc.h, dbxread.c (read_ofile_symtab): Install Jim Wilson's
fix to differentiate between gcc1 & gcc2 compiled files so that we
can debug calls that pass structs as args correctly.
* symmisc.c (dump_symtab): If block was compiled with gcc, say
so, and what version.
* remote.c (remote_wait): Make regs be char to avoid picayune
ANSI compiler warnings.

52
gdb/dbxread.c
View File

@ -1468,10 +1468,14 @@ read_ofile_symtab (objfile, sym_offset, sym_size, text_offset, text_size,
SET_NAMESTRING ();
processing_gcc_compilation =
(bufp->n_type == N_TEXT
&& (strcmp (namestring, GCC_COMPILED_FLAG_SYMBOL) == 0
|| strcmp(namestring, GCC2_COMPILED_FLAG_SYMBOL) == 0));
processing_gcc_compilation = 0;
if (bufp->n_type == N_TEXT)
{
if (strcmp (namestring, GCC_COMPILED_FLAG_SYMBOL) == 0)
processing_gcc_compilation = 1;
else if (strcmp (namestring, GCC2_COMPILED_FLAG_SYMBOL) == 0)
processing_gcc_compilation = 2;
}
/* Try to select a C++ demangling based on the compilation unit
producer. */
@ -1479,7 +1483,7 @@ read_ofile_symtab (objfile, sym_offset, sym_size, text_offset, text_size,
if (processing_gcc_compilation)
{
#if 1 /* Works, but is experimental. -fnf */
if (current_demangling_style == auto_demangling)
if (AUTO_DEMANGLING)
{
set_demangling_style (GNU_DEMANGLING_STYLE_STRING);
}
@ -1523,18 +1527,22 @@ read_ofile_symtab (objfile, sym_offset, sym_size, text_offset, text_size,
}
/* We skip checking for a new .o or -l file; that should never
happen in this routine. */
else if (type == N_TEXT
&& (strcmp (namestring, GCC_COMPILED_FLAG_SYMBOL) == 0
|| strcmp (namestring, GCC2_COMPILED_FLAG_SYMBOL) == 0))
else if (type == N_TEXT)
{
/* I don't think this code will ever be executed, because
the GCC_COMPILED_FLAG_SYMBOL usually is right before
the N_SO symbol which starts this source file.
However, there is no reason not to accept
the GCC_COMPILED_FLAG_SYMBOL anywhere. */
processing_gcc_compilation = 1;
processing_gcc_compilation = 0;
if (strcmp (namestring, GCC_COMPILED_FLAG_SYMBOL) == 0)
processing_gcc_compilation = 1;
else if (strcmp (namestring, GCC2_COMPILED_FLAG_SYMBOL) == 0)
processing_gcc_compilation = 2;
#if 1 /* Works, but is experimental. -fnf */
if (current_demangling_style == auto_demangling)
if (AUTO_DEMANGLING)
{
set_demangling_style (GNU_DEMANGLING_STYLE_STRING);
}
@ -1958,11 +1966,11 @@ process_one_symbol (type, desc, valu, name, section_offsets, objfile)
case N_OPT: /* Solaris 2: Compiler options */
if (name)
{
if (!strcmp (name, GCC2_COMPILED_FLAG_SYMBOL))
if (strcmp (name, GCC2_COMPILED_FLAG_SYMBOL) == 0)
{
processing_gcc_compilation = 1;
processing_gcc_compilation = 2;
#if 1 /* Works, but is experimental. -fnf */
if (current_demangling_style == auto_demangling)
if (AUTO_DEMANGLING)
{
set_demangling_style (GNU_DEMANGLING_STYLE_STRING);
}
@ -2045,16 +2053,16 @@ copy_pending (beg, begi, end)
adjusted for elf details. */
void
DEFUN(elfstab_build_psymtabs, (objfile, section_offsets, mainline,
elfstab_build_psymtabs (objfile, section_offsets, mainline,
staboffset, stabsize,
stabstroffset, stabstrsize),
struct objfile *objfile AND
struct section_offsets *section_offsets AND
int mainline AND
unsigned int staboffset AND
unsigned int stabsize AND
unsigned int stabstroffset AND
unsigned int stabstrsize)
stabstroffset, stabstrsize)
struct objfile *objfile;
struct section_offsets *section_offsets;
int mainline;
unsigned int staboffset;
unsigned int stabsize;
unsigned int stabstroffset;
unsigned int stabstrsize;
{
int val;
bfd *sym_bfd = objfile->obfd;

8
gdb/tm-sparc.h
View File

@ -30,13 +30,13 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
(a lie, and a serious one since we don't know which register to
use), and a LOC_REGISTER saying that the struct is in a register
(sort of a lie, but fixable with REG_STRUCT_HAS_ADDR). Gcc version
two (as of 1.92) behaves like sun cc, but I don't know how we can
distinguish between gcc version 1 and gcc version 2.
two (as of 1.92) behaves like sun cc. REG_STRUCT_HAS_ADDR is smart
enough to distinguish between Sun cc, gcc version 1 and gcc version 2.
This still doesn't work if the argument is not one passed in a
register (i.e. it's the 7th or later argument). */
#define REG_STRUCT_HAS_ADDR(gcc_p) (!(gcc_p))
#define STRUCT_ARG_SYM_GARBAGE(gcc_p) (!(gcc_p))
#define REG_STRUCT_HAS_ADDR(gcc_p) (gcc_p != 1)
#define STRUCT_ARG_SYM_GARBAGE(gcc_p) (gcc_p != 1)
/* If Pcc says that a parameter is a short, it's a short. This is
because the parameter does get passed in in a register as an int,