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- Upgrade to GDB 6.6. Drop redundant patches, forward-port remaining ones.

Browse source 
- Backported post gdb-6.6 release ia64 unwinding fixups.
- Testcase for exec() from threaded program (BZ 202689).
- Resolves: rhbz#221125
- Related: rhbz#202689
This commit is contained in:
Jan Kratochvil 2007-01-21 01:53:01 +00:00
commit aefb0e1e23
19 changed files with 785 additions and 1466 deletions
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52
gdb-6.5-symbols-overlap.patch
View file

@ -9,24 +9,14 @@
file, provide nested (overlapping) functions for the PC resolving.
--- gdb-6.5/gdb/minsyms.c-orig 2006-10-31 08:21:32.000000000 -0500
+++ gdb-6.5/gdb/minsyms.c 2006-10-31 08:24:37.000000000 -0500
@@ -464,6 +464,7 @@
objfile's minimal symbol table. See if it is the best one
overall. */
Index: ./gdb/minsyms.c
===================================================================
--- ./gdb/minsyms.c 17 Oct 2006 20:17:44 -0000 1.47
+++ ./gdb/minsyms.c 30 Oct 2006 12:41:26 -0000
@@ -511,6 +511,29 @@ lookup_minimal_symbol_by_pc_section (COR
continue;
}
+ while (0
/* Skip any absolute symbols. This is apparently what adb
and dbx do, and is needed for the CM-5. There are two
known possible problems: (1) on ELF, apparently end, edata,
@@ -473,8 +474,27 @@
NeXT are absolute. If we want special handling for this
it probably should be triggered by a special
mst_abs_or_lib or some such. */
- while (hi >= 0
- && msymbol[hi].type == mst_abs)
+ || (hi >= 0
+ && msymbol[hi].type == mst_abs)
+ /* We are behind the current symbol's size.
+ Try the previous symbol - if it is non-zero sized one it
+ may overlap the current one and reach our PC.
@ -39,16 +29,20 @@
+ Limit it only for the overlapping cases as we could harm
+ the zero-sized symbols detection logic around.
+ */
+ || (hi > 0
+ && MSYMBOL_SIZE (&msymbol[hi]) != 0
+ && pc >= (SYMBOL_VALUE_ADDRESS (&msymbol[hi])
+ + MSYMBOL_SIZE (&msymbol[hi]))
+ && pc < (SYMBOL_VALUE_ADDRESS (&msymbol[hi - 1])
+ + MSYMBOL_SIZE (&msymbol[hi - 1])))
+ )
--hi;
/* If "section" specified, skip any symbol from wrong section */
+ if (hi > 0
+ && MSYMBOL_SIZE (&msymbol[hi]) != 0
+ && pc >= (SYMBOL_VALUE_ADDRESS (&msymbol[hi])
+ + MSYMBOL_SIZE (&msymbol[hi]))
+ && pc < (SYMBOL_VALUE_ADDRESS (&msymbol[hi - 1])
+ + MSYMBOL_SIZE (&msymbol[hi - 1])))
+ {
+ hi--;
+ continue;
+ }
+
/* Otherwise, this symbol must be as good as we're going
to get. */
break;
Index: ./gdb/testsuite/gdb.arch/i386-size-overlap.c
===================================================================
--- /dev/null 1 Jan 1970 00:00:00 -0000
@ -107,10 +101,10 @@ Index: ./gdb/testsuite/gdb.arch/i386-size-overlap.c
+ " mov %esp, %ebp\n"
+ " call " SYMBOL (trap) "\n"
+ " .size " SYMBOL (main) ", .-" SYMBOL (main) "\n");
Index: ./gdb/testsuite/gdb.arch/i386-size-overlap.exp
Index: gdb/testsuite/gdb.arch/i386-size-overlap.exp
===================================================================
RCS file: gdb/testsuite/gdb.arch/i386-size-overlap.exp
diff -N gdb/testsuite/gdb.arch/i386-size-overlap.exp
diff -N ./gdb/testsuite/gdb.arch/i386-size-overlap.exp
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ ./gdb/testsuite/gdb.arch/i386-size-overlap.exp 30 Oct 2006 12:41:35 -0000
@@ -0,0 +1,79 @@