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* infrun.c (IN_SOLIB_TRAMPOLINE): Correct comment, trampolines

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are in the .plt section.
	* minsyms.c (lookup_solib_trampoline_symbol_by_pc,
	find_solib_trampoline_target):  New functions for handling
	stepping into -g compiled shared libraries.
	* symtab.h (lookup_solib_trampoline_symbol_by_pc,
	find_solib_trampoline_target):  Add prototypes.
	* config/tm-sunos.h (IN_SOLIB_TRAMPOLINE, SKIP_TRAMPOLINE_CODE):
	Define to handle stepping into  -g compiled shared libraries.
	* config/tm-sysv4.h (SKIP_TRAMPOLINE_CODE):  Define to handle
	stepping into  -g compiled shared libraries.
	* configure.in:  Add mips-*-sysv4* support.
	* config/mips/mipsv4.mh, config/mips/mipsv4.mt,
	config/mips/tm-mipsv4.h, config/mips/xm-mipsv4.h, mipsv4-nat.c:
	New files for MIPS SVR4 support.
	* Makefile.in:  Update for new mipsv4 files.
	* alpha-tdep.c (heuristic_proc_desc, find_proc_desc):  Use
	read_next_frame_reg to obtain the frame relative stack pointer.
	* mips-tdep.c (heuristic_proc_desc):  Use read_next_frame_reg to
	obtain the frame relative stack pointer.
	* mdebugread.c (parse_partial_symbols, psymtab_to_symtab1):
	Handle stStatic and stStaticProc symbols in stabs-in-ecoff output
	by entering them into the minimal symbol table.
	* printcmd.c (print_scalar_formatted):  Do not try to unpack to
	a long for float formats.
	* solib.c:  Include "elf/mips.h" only if DT_MIPS_RLD_MAP does not
	get defined in <link.h>.
	* solib.c (solib_add):  Add shared library sections to the section
	table of the target before adding the symbols.
	* partial-stab.h:  Relocate static and global functions.
	* dbxread.c (read_dbx_symtab):  Remove unused variable
	end_of_text_address.  Relocate text_addr when passing it
	to end_psymtab.

	For Alpha OSF/1 targets, enable gdb to set breakpoints in shared
	library functions before the executable is run. Retrieve dynamic
	symbols from stripped executables.
	* mipsread.c (read_alphacoff_dynamic_symtab):  New function.
	* mipsread.c (mipscoff_symfile_read):  Use it. Issue warning message
	if no debugging symbols were found.
	* alpha-tdep.c (alpha_skip_prologue):  Silently return the unaltered
	pc if memory at the pc is not accessible and GDB_TARGET_HAS_SHARED_LIBS
	is defined.
	* config/alpha/nm-alpha.h (GDB_TARGET_HAS_SHARED_LIBS):  Define,
	OSF/1 has shared libraries.
This commit is contained in:
Peter Schauer
1994-04-08 00:35:15 +00:00
parent 44c1515dc7
commit 2fe3b329f6
14 changed files with 772 additions and 225 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
gdb/alpha-tdep.c
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@@ -329,7 +329,7 @@ heuristic_proc_desc(start_pc, limit_pc, next_frame)
CORE_ADDR start_pc, limit_pc;
FRAME next_frame;
{
CORE_ADDR sp = next_frame ? next_frame->frame : read_register (SP_REGNUM);
CORE_ADDR sp = read_next_frame_reg (next_frame, SP_REGNUM);
CORE_ADDR cur_pc;
int frame_size;
int has_frame_reg = 0;
@@ -456,7 +456,7 @@ find_proc_desc(pc, next_frame)
if (PC_IN_CALL_DUMMY (pc, 0, 0))
{
struct linked_proc_info *link;
CORE_ADDR sp = next_frame ? next_frame->frame : read_register (SP_REGNUM);
CORE_ADDR sp = read_next_frame_reg (next_frame, SP_REGNUM);
alpha_extra_func_info_t found_proc_desc = NULL;
long min_distance = LONG_MAX;
@@ -913,6 +913,18 @@ alpha_skip_prologue (pc, lenient)
unsigned long inst;
int offset;
CORE_ADDR post_prologue_pc;
char buf[4];
#ifdef GDB_TARGET_HAS_SHARED_LIBS
/* Silently return the unaltered pc upon memory errors.
This could happen on OSF/1 if decode_line_1 tries to skip the
prologue for quickstarted shared library functions when the
shared library is not yet mapped in.
Reading target memory is slow over serial lines, so we perform
this check only if the target has shared libraries. */
if (target_read_memory (pc, buf, 4))
return pc;
#endif
/* See if we can determine the end of the prologue via the symbol table.
If so, then return either PC, or the PC after the prologue, whichever
@@ -931,7 +943,6 @@ alpha_skip_prologue (pc, lenient)
or in the gcc frame. */
for (offset = 0; offset < 100; offset += 4)
{
char buf[4];
int status;
status = read_memory_nobpt (pc + offset, buf, 4);