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Fix symbol table file name on AIX 

When xlc -qfuncsect or gcc -ffunction-sections options is used in AIX,
each function csect is associated with each psymtab, so each psymtab
will have it's corresponding filename entries set.

If the pst filename isn't set then we will be seeing the below output
when we set a breakpoint.

(gdb) br main
Breakpoint 1 at 0x10000374: file  _start_ , line 18.

With the fix it will be.

(gdb) br main
Breakpoint 1 at 0x10000518: file test.c, line 24.

Attached patch resolve this issue and correct filename will be set.

gdb/
2016-10-21  Sangamesh Mallayya  <sangamesh.swamy@in.ibm.com>
	    Ulrich Weigand  <uweigand@de.ibm.com>

	* xcoffread.c (read_xcoff_symtab): Make name of current file as
	pst->filename instead of _start_ in AIX.

Signed-off-by: Ulrich Weigand <ulrich.weigand@de.ibm.com>
This commit is contained in:
Ulrich Weigand 2016-10-21 17:47:15 +02:00
parent 4db41a0a10
commit d11261fc63
2 changed files with 7 additions and 1 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2016-10-21 Sangamesh Mallayya <sangamesh.swamy@in.ibm.com>
Ulrich Weigand <uweigand@de.ibm.com>
* xcoffread.c (read_xcoff_symtab): Make name of current file as
pst->filename instead of _start_ in AIX.
2016-10-21 Philipp Rudo <prudo@linux.vnet.ibm.com>
* solist.h (struct target_so_ops): Delete special_symbol_handling

2
gdb/xcoffread.c
View File

@ -1026,7 +1026,7 @@ read_xcoff_symtab (struct objfile *objfile, struct partial_symtab *pst)
union internal_auxent fcn_aux_saved = main_aux;
struct context_stack *newobj;
char *filestring = " _start_ "; /* Name of the current file. */
char *filestring = pst->filename; /* Name of the current file. */
const char *last_csect_name; /* Last seen csect's name. */