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authorJohn Baldwin <jhb@FreeBSD.org>2016-06-11 15:51:38 -0700
committerJohn Baldwin <jhb@FreeBSD.org>2016-06-24 10:34:29 -0700
commit2faa34476d9e6120eaf389b7f91b7227183fa2ce (patch)
treed0bdcf321eebfbd385ee4f89df0785063c6078a6 /gdb/gdbarch.sh
parent3350c5f5de3d2e62dd9de2a76cf2d5d8728d2600 (diff)
Add a new gdbarch method to print a single AUXV entry.
Different platforms have different meanings for auxiliary vector entries. The 'print_auxv_entry' gdbarch method allows an architecture to output a suitable description for platform-specific entries. A fprint_auxv_entry function is split out of fprint_target_auxv. This function outputs the description of a single auxiliary vector entry to the specified file using caller-supplied formatting and strings to describe the vector type. The existing switch on auxiliary vector types is moved out of fprint_target_auxv into a new default_print_auxv_entry function. default_print_auxv_entry chooses an appropriate format and description and calls fprint_single_auxv to describe a single vector entry. This function is used as the default 'print_auxv_entry' gdbarch method. fprint_target_auxv now invokes the gdbarch 'print_auxv_entry' method on each vector entry. gdb/ChangeLog: * auxv.c (fprint_auxv_entry): New function. (default_print_auxv_entry): New function. (fprint_target_auxv): Use gdbarch_print_auxv_entry. * auxv.h (enum auxv_format): New enum. (fprint_auxv_entry): Declare. (default_print_auxv_entry): Declare. * gdbarch.sh (print_auxv_entry): New. * gdbarch.c, gdbarch.h: Re-generated.
Diffstat (limited to 'gdb/gdbarch.sh')
-rwxr-xr-xgdb/gdbarch.sh5
1 files changed, 5 insertions, 0 deletions
diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh
index f170c10eff..d8e0eebcbe 100755
--- a/gdb/gdbarch.sh
+++ b/gdb/gdbarch.sh
@@ -1110,6 +1110,10 @@ m:int:insn_is_jump:CORE_ADDR addr:addr::default_insn_is_jump::0
# Return 1 if an entry was read into *TYPEP and *VALP.
M:int:auxv_parse:gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp:readptr, endptr, typep, valp
+# Print the description of a single auxv entry described by TYPE and VAL
+# to FILE.
+m:void:print_auxv_entry:struct ui_file *file, CORE_ADDR type, CORE_ADDR val:file, type, val::default_print_auxv_entry::0
+
# Find the address range of the current inferior's vsyscall/vDSO, and
# write it to *RANGE. If the vsyscall's length can't be determined, a
# range with zero length is returned. Returns true if the vsyscall is
@@ -1616,6 +1620,7 @@ cat <<EOF
#include "observer.h"
#include "regcache.h"
#include "objfiles.h"
+#include "auxv.h"
/* Static function declarations */