2004-03-23 Andrew Cagney <cagney@redhat.com>
* Makefile.in (trad_frame_h): Add $(frame_h). * trad-frame.h: Update copyright. Include "frame.h". (struct trad_frame_cache, trad_frame_cache_zalloc): Declare. (trad_frame_set_id, trad_frame_get_id): Declare. (trad_frame_set_reg_addr, trad_frame_get_register): Declare. * trad-frame.c: Update copyright. (struct trad_frame_cache): Define. (trad_frame_cache_zalloc): New function. (trad_frame_set_id, trad_frame_get_id): New functions. (trad_frame_set_reg_addr, trad_frame_get_register): New functions.
This commit is contained in:
Andrew Cagney
parent
88d65ad6f1
commit
0db9b4b709
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@ -1,3 +1,16 @@
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2004-03-23 Andrew Cagney <cagney@redhat.com>
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* Makefile.in (trad_frame_h): Add $(frame_h).
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* trad-frame.h: Update copyright. Include "frame.h".
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(struct trad_frame_cache, trad_frame_cache_zalloc): Declare.
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(trad_frame_set_id, trad_frame_get_id): Declare.
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(trad_frame_set_reg_addr, trad_frame_get_register): Declare.
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* trad-frame.c: Update copyright.
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(struct trad_frame_cache): Define.
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(trad_frame_cache_zalloc): New function.
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(trad_frame_set_id, trad_frame_get_id): New functions.
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(trad_frame_set_reg_addr, trad_frame_get_register): New functions.
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2004-03-22 Andrew Cagney <cagney@redhat.com>
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* s390-tdep.c (struct s390_stub_unwind_cache): Rename
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@ -756,7 +756,7 @@ target_h = target.h $(bfd_h) $(symtab_h) $(dcache_h) $(memattr_h)
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terminal_h = terminal.h
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top_h = top.h
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tracepoint_h = tracepoint.h
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trad_frame_h = trad-frame.h
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trad_frame_h = trad-frame.h $(frame_h)
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typeprint_h = typeprint.h
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ui_file_h = ui-file.h
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ui_out_h = ui-out.h
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@ -1,6 +1,6 @@
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/* Traditional frame unwind support, for GDB the GNU Debugger.
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Copyright 2003 Free Software Foundation, Inc.
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Copyright 2003, 2004 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -24,6 +24,25 @@
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#include "trad-frame.h"
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#include "regcache.h"
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struct trad_frame_cache
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{
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struct frame_info *next_frame;
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CORE_ADDR this_base;
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struct trad_frame_saved_reg *prev_regs;
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struct frame_id this_id;
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};
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struct trad_frame_cache *
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trad_frame_cache_zalloc (struct frame_info *next_frame)
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{
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struct trad_frame_cache *this_trad_cache;
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this_trad_cache = FRAME_OBSTACK_ZALLOC (struct trad_frame_cache);
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this_trad_cache->prev_regs = trad_frame_alloc_saved_regs (next_frame);
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this_trad_cache->next_frame = next_frame;
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return this_trad_cache;
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}
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/* A traditional frame is unwound by analysing the function prologue
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and using the information gathered to track registers. For
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non-optimized frames, the technique is reliable (just need to check
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@ -78,6 +97,13 @@ trad_frame_set_value (struct trad_frame_saved_reg this_saved_regs[],
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this_saved_regs[regnum].addr = val;
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}
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void
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trad_frame_set_reg_addr (struct trad_frame_cache *this_trad_cache,
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int regnum, CORE_ADDR addr)
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{
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this_trad_cache->prev_regs[regnum].addr = addr;
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}
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void
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trad_frame_set_unknown (struct trad_frame_saved_reg this_saved_regs[],
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int regnum)
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@ -132,3 +158,29 @@ trad_frame_prev_register (struct frame_info *next_frame,
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gdbarch_register_name (gdbarch, regnum));
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}
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}
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void
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trad_frame_get_register (struct trad_frame_cache *this_trad_cache,
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struct frame_info *next_frame,
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int regnum, int *optimizedp,
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enum lval_type *lvalp, CORE_ADDR *addrp,
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int *realregp, void *bufferp)
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{
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trad_frame_prev_register (next_frame, this_trad_cache->prev_regs,
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regnum, optimizedp, lvalp, addrp, realregp,
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bufferp);
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}
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void
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trad_frame_set_id (struct trad_frame_cache *this_trad_cache,
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struct frame_id this_id)
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{
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this_trad_cache->this_id = this_id;
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}
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void
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trad_frame_get_id (struct trad_frame_cache *this_trad_cache,
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struct frame_id *this_id)
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{
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(*this_id) = this_trad_cache->this_id;
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}
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@ -1,6 +1,6 @@
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/* Traditional frame unwind support, for GDB the GNU Debugger.
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Copyright 2003 Free Software Foundation, Inc.
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Copyright 2003, 2004 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -22,7 +22,31 @@
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#ifndef TRAD_FRAME_H
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#define TRAD_FRAME_H
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#include "frame.h" /* For "struct frame_id". */
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struct frame_info;
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struct trad_frame_cache;
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/* A simple, or traditional frame cache.
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The entire cache is populated in a single pass and then generic
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routines are used to extract the various cache values. */
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struct trad_frame_cache *trad_frame_cache_zalloc (struct frame_info *next_frame);
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/* This frame's ID. */
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void trad_frame_set_id (struct trad_frame_cache *this_trad_cache,
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struct frame_id this_id);
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void trad_frame_get_id (struct trad_frame_cache *this_trad_cache,
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struct frame_id *this_id);
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void trad_frame_set_reg_unknown (struct trad_frame_cache *this_trad_cache,
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int regnum, CORE_ADDR addr);
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void trad_frame_get_register (struct trad_frame_cache *this_trad_cache,
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struct frame_info *next_frame,
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int regnum, int *optimizedp,
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enum lval_type *lvalp, CORE_ADDR *addrp,
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int *realregp, void *bufferp);
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/* A traditional saved regs table, indexed by REGNUM, encoding where
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the value of REGNUM for the previous frame can be found in this
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