diff options
Diffstat (limited to 'gdb')
-rw-r--r-- | gdb/rdi-share/angel_bytesex.c | 57 | ||||
-rw-r--r-- | gdb/rdi-share/angel_bytesex.h | 42 | ||||
-rw-r--r-- | gdb/rdi-share/angel_endian.h | 125 | ||||
-rw-r--r-- | gdb/testsuite/gdb.base/remote.c | 26 | ||||
-rw-r--r-- | gdb/testsuite/gdb.base/remote.exp | 83 |
5 files changed, 333 insertions, 0 deletions
diff --git a/gdb/rdi-share/angel_bytesex.c b/gdb/rdi-share/angel_bytesex.c new file mode 100644 index 00000000000..b98c971708e --- /dev/null +++ b/gdb/rdi-share/angel_bytesex.c @@ -0,0 +1,57 @@ +/* + * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved. + * + * This software may be freely used, copied, modified, and distributed + * provided that the above copyright notice is preserved in all copies of the + * software. + */ + +/* + * angel_bytesex.c - Code to support byte-sex independence + * Copyright: (C) 1991, Advanced RISC Machines Ltd., Cambridge, England. + */ + +/* + * RCS $Revision: 1.1 $ + * Checkin $Date: 1999/11/01 15:29:57 $ + */ + +#include "angel_bytesex.h" + +static int reversing_bytes = 0; + +void bytesex_reverse(yes_or_no) +int yes_or_no; +{ reversing_bytes = yes_or_no; +} + +int bytesex_reversing() +{ + return reversing_bytes; +} + +int32 bytesex_hostval(v) +int32 v; +{ /* Return v with the same endian-ness as the host */ + /* This mess generates better ARM code than the more obvious mess */ + /* and may eventually peephole to optimal code... */ + if (reversing_bytes) + { unsigned32 t; + /* t = v ^ (v ror 16) */ + t = v ^ ((v << 16) | (((unsigned32)v) >> 16)); + t &= ~0xff0000; + /* v = v ror 8 */ + v = (v << 24) | (((unsigned32)v) >> 8); + v = v ^ (t >> 8); + } + return v; +} + +int32 bytesex_hostval_16(v) +int32 v; +{ + if (reversing_bytes) { + v = ((v >> 8) & 0xff) | ((v << 8) & 0xff00); + } + return v; +} diff --git a/gdb/rdi-share/angel_bytesex.h b/gdb/rdi-share/angel_bytesex.h new file mode 100644 index 00000000000..40786ed2ba9 --- /dev/null +++ b/gdb/rdi-share/angel_bytesex.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved. + * + * This software may be freely used, copied, modified, and distributed + * provided that the above copyright notice is preserved in all copies of the + * software. + */ + +/* + Title: Code to support byte-sex independence + Copyright: (C) 1991, Advanced RISC Machines Ltd., Cambridge, England. +*/ +/* + * RCS $Revision: 1.1 $ + * Checkin $Date: 1999/11/01 15:29:57 $ + */ + +#ifndef angel_bytesex_h +#define angel_bytesex_h + +#include "host.h" + +void bytesex_reverse(int yes_or_no); +/* + * Turn sex-reversal on or off - 0 means off, non-0 means on. + */ + +int bytesex_reversing(void); +/* + * Return non-0 if reversing the byte sex, else 0. + */ + +int32 bytesex_hostval(int32 v); +/* + * Return v or byte-reversed v, according to whether sex-reversval + * is on or off. + */ + +int32 bytesex_hostval_16(int32 v); +/* Return v or byte-reversed v for a 16 bit value */ + +#endif diff --git a/gdb/rdi-share/angel_endian.h b/gdb/rdi-share/angel_endian.h new file mode 100644 index 00000000000..6e871397041 --- /dev/null +++ b/gdb/rdi-share/angel_endian.h @@ -0,0 +1,125 @@ +/* + * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved. + * + * This software may be freely used, copied, modified, and distributed + * provided that the above copyright notice is preserved in all copies of the + * software. + */ + +/* -*-C-*- + * + * $Revision: 1.1 $ + * $Date: 1999/11/01 13:31:32 $ + * + * + * angel_endian.h - target endianness independent read/write primitives. + */ + +#ifndef angel_endian_h +#define angel_endian_h + +/* + * The endianness of the data being processed needs to be known, but + * the host endianness is not required (since the data is constructed + * using bytes). At the moment these are provided as macros. This + * gives the compiler freedom in optimising individual calls. However, + * if space is at a premium then functions should be provided. + * + * NOTE: These macros assume that the data has been packed in the same format + * as the packing on the build host. If this is not the case then + * the wrong addresses could be used when dealing with structures. + * + */ + +/* + * For all the following routines the target endianness is defined by the + * following boolean definitions. + */ +#define BE (1 == 1) /* TRUE : big-endian */ +#define LE (1 == 0) /* FALSE : little-endian */ + +/* + * The following type definitions are used by the endianness converting + * macros. + */ +typedef unsigned char U8; +typedef U8 *P_U8; +typedef const U8 *CP_U8; + +typedef unsigned short U16; +typedef U16 *P_U16; + +typedef unsigned int U32; +typedef U32 *P_U32; + +/* + * If the endianness of the host and target are known (fixed) and the same + * then the following macro definitions can be used. These just directly copy + * the data. + * + * #define READ(e,a) (a) + * #define WRITE(e,a,v) ((a) = (v)) + * #define PREAD(e,a) (a) + * #define PWRITE(e,a,v) (*(a) = (v)) + */ + +/* + * These macros assume that a byte (char) is 8bits in size, and that the + * endianness is not important when reading or writing bytes. + */ +#define PUT8(a,v) (*((P_U8)(a)) = (U8)(v)) +#define PUT16LE(a,v) (PUT8(a,((v) & 0xFF)), \ + PUT8((((P_U8)(a)) + sizeof(char)),((v) >> 8))) +#define PUT16BE(a,v) (PUT8(a,((v) >> 8)), \ + PUT8((((P_U8)(a)) + sizeof(char)),((v) & 0xFF))) +#define PUT32LE(a,v) (PUT16LE(a,v), \ + PUT16LE((((P_U8)(a)) + sizeof(short)),((v) >> 16))) +#define PUT32BE(a,v) (PUT16BE(a,((v) >> 16)), \ + PUT16BE((((P_U8)(a)) + sizeof(short)),v)) + +#define GET8(a) (*((CP_U8)(a))) +#define GET16LE(a) (GET8(a) | (((U16)GET8(((CP_U8)(a)) + sizeof(char))) << 8)) +#define GET16BE(a) ((((U16)GET8(a)) << 8) | GET8(((CP_U8)(a)) + sizeof(char))) +#define GET32LE(a) (GET16LE(a) | \ + (((U32)GET16LE(((CP_U8)(a)) + sizeof(short))) << 16)) +#define GET32BE(a) ((((U32)GET16BE(a)) << 16) | \ + GET16BE(((CP_U8)(a)) + sizeof(short))) + +/* + * These macros simplify the code in respect to reading and writing the + * correct size data when dealing with endianness. "e" is TRUE if we are + * dealing with big-endian data, FALSE if we are dealing with little-endian. + */ + +/* void WRITE(int endianness, void *address, unsigned value); */ + +#define WRITE16(e,a,v) ((e) ? PUT16BE(&(a),v) : PUT16LE(&(a),v)) +#define WRITE32(e,a,v) ((e) ? PUT32BE(&(a),v) : PUT32LE(&(a),v)) +#define WRITE(e,a,v) ((sizeof(v) == sizeof(char)) ? \ + PUT8(&(a),v) : ((sizeof(v) == sizeof(short)) ? \ + WRITE16(e,a,v) : WRITE32(e,a,v))) + +/* unsigned READ(int endianness, void *address) */ +#define READ16(e,a) ((e) ? GET16BE(&(a)) : GET16LE(&(a))) +#define READ32(e,a) ((e) ? GET32BE(&(a)) : GET32LE(&(a))) +#define READ(e,a) ((sizeof(a) == sizeof(char)) ? \ + GET8((CP_U8)&(a)) : ((sizeof(a) == sizeof(short)) ? \ + READ16(e,a) : READ32(e,a))) + +/* void PWRITE(int endianness, void *address, unsigned value); */ +#define PWRITE16(e,a,v) ((e) ? PUT16BE(a,v) : PUT16LE(a,v)) +#define PWRITE32(e,a,v) ((e) ? PUT32BE(a,v) : PUT32LE(a,v)) +#define PWRITE(e,a,v) ((sizeof(v) == sizeof(char)) ? \ + PUT8(a,v) : ((sizeof(v) == sizeof(short)) ? \ + PWRITE16(e,a,v) : PWRITE32(e,a,v))) + +/* unsigned PREAD(int endianness, void *address) */ +#define PREAD16(e,a) ((e) ? GET16BE(a) : GET16LE(a)) +#define PREAD32(e,a) ((e) ? GET32BE(a) : GET32LE(a)) +#define PREAD(e,a) ((sizeof(*(a)) == sizeof(char)) ? \ + GET8((CP_U8)a) : ((sizeof(*(a)) == sizeof(short)) ? \ + PREAD16(e,a) : PREAD32(e,a))) + +#endif /* !defined(angel_endian_h) */ + +/* EOF angel_endian.h */ diff --git a/gdb/testsuite/gdb.base/remote.c b/gdb/testsuite/gdb.base/remote.c new file mode 100644 index 00000000000..b297e5e86d1 --- /dev/null +++ b/gdb/testsuite/gdb.base/remote.c @@ -0,0 +1,26 @@ +#include <stdio.h> +#include <stdlib.h> + +/************************************************************************** + * TESTS : + * -- downloading of a rather large executable + ***************************************************************************/ + + +/* A large array in .data. If RLE compression becomes available during + downloads, this would have to become a bunch of real random data. + Here's a quick way of generating such a bunch: + +yes | awk '{printf ("%4d,", rand()*1000);}' | fold -w80 -s | head -4096 + +*/ + +unsigned long random_data[65536] = { 1 }; + +int +main() +{ + printf ("%lu\n", random_data [rand() % + (sizeof (random_data) / + sizeof (random_data [0]))]); +} diff --git a/gdb/testsuite/gdb.base/remote.exp b/gdb/testsuite/gdb.base/remote.exp new file mode 100644 index 00000000000..4c8b415452e --- /dev/null +++ b/gdb/testsuite/gdb.base/remote.exp @@ -0,0 +1,83 @@ +# Copyright (C) 1999 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Please email any bugs, comments, and/or additions to this file to: +# bug-gdb@prep.ai.mit.edu + +if $tracelevel then { + strace $tracelevel +} + +set prms_id 0 +set bug_id 0 + + +# test only on a remote target board +if {! [is_remote target]} { + return +} + + +set testfile "remote" +set srcfile ${testfile}.c +set binfile ${objdir}/${subdir}/${testfile} + + +proc gdb_load_timed {executable writesize} { + global test gdb_prompt + set test "timed download `[file tail $executable]' ($writesize)" + + if {$writesize != ""} then { + send_gdb "set remotewritesize $writesize\n" + gdb_expect 5 { + -re ".*$gdb_prompt $" { } + timeout { fail "$test - setting remotewritesize" ; return } + } + } + + set load_begin_time [clock clicks] + set result [gdb_load $executable] + set load_end_time [clock clicks] + if {$result < 0} then { fail "$test - loading executable"; return } + verbose "$test - time [expr ($load_end_time - $load_begin_time) / 1000] ms" + pass $test +} + + + +# tests + +gdb_start + +set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] +if {$result != "" } then { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +gdb_load_timed $binfile {} +gdb_load_timed $binfile 50 +gdb_load_timed $binfile 100 +gdb_load_timed $binfile 200 +gdb_load_timed $binfile 400 + +# extra tests for capable targets +if {[target_info gdb,big_rx_buffers] != ""} then { + gdb_load_timed $binfile 800 + gdb_load_timed $binfile 8000 + gdb_load_timed $binfile 80000 +} + +gdb_exit |