From: Martin Liska Date: Thu, 17 Jun 2021 09:39:11 +0000 (+0200) Subject: gcov: update documentation entry about string format X-Git-Tag: basepoints/gcc-13~6753 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c0954059dba9b369439bcb77643655e42f9a181e;p=thirdparty%2Fgcc.git gcov: update documentation entry about string format gcc/ChangeLog: * gcov-io.h: Update documentation entry about string format. --- diff --git a/gcc/gcov-io.h b/gcc/gcov-io.h index f7584eb9679c..ff92afe63dff 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