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-rw-r--r--gdb/doc/gdb.texinfo7
1 files changed, 6 insertions, 1 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 9f72c52..be39f1c 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -28980,13 +28980,18 @@ The syntax for the @var{format-spec} is as follows:
@smallexample
@var{format-spec} @expansion{}
- @{binary | decimal | hexadecimal | octal | natural@}
+ @{binary | decimal | hexadecimal | octal | natural | zero-hexadecimal@}
@end smallexample
The natural format is the default format choosen automatically
based on the variable type (like decimal for an @code{int}, hex
for pointers, etc.).
+The zero-hexadecimal format has a representation similar to hexadecimal
+but with padding zeroes to the left of the value. For example, a 32-bit
+hexadecimal value of 0x1234 would be represented as 0x00001234 in the
+zero-hexadecimal format.
+
For a variable with children, the format is set only on the
variable itself, and the children are not affected.