From c0954059dba9b369439bcb77643655e42f9a181e Mon Sep 17 00:00:00 2001 From: Martin Liska Date: Thu, 17 Jun 2021 11:39:11 +0200 Subject: [PATCH] gcov: update documentation entry about string format gcc/ChangeLog: * gcov-io.h: Update documentation entry about string format. --- gcc/gcov-io.h | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/gcc/gcov-io.h b/gcc/gcov-io.h index f7584eb..ff92afe 100644 --- a/gcc/gcov-io.h +++ b/gcc/gcov-io.h @@ -42,15 +42,14 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see Numbers are recorded in the 32 bit unsigned binary form of the endianness of the machine generating the file. 64 bit numbers are - stored as two 32 bit numbers, the low part first. Strings are - padded with 1 to 4 NUL bytes, to bring the length up to a multiple - of 4. The number of 4 bytes is stored, followed by the padded + stored as two 32 bit numbers, the low part first. + The number of bytes is stored, followed by the string. Zero length and NULL strings are simply stored as a length of zero (they have no trailing NUL or padding). int32: byte3 byte2 byte1 byte0 | byte0 byte1 byte2 byte3 int64: int32:low int32:high - string: int32:0 | int32:length char* char:0 padding + string: int32:0 | int32:length char* char:0 padding: | char:0 | char:0 char:0 | char:0 char:0 char:0 item: int32 | int64 | string -- 2.7.4