2003-03-17 Andrew Cagney <cagney@redhat.com>
From Elena Zannoni <ezannoni@redhat.com>. Test e500 abi and vector registes. * gdb.arch/e500-regs.c, gdb.arch/e500-regs.exp: New files. * gdb.arch/e500-abi.c, gdb.arch/e500-abi.exp: New files.
This commit is contained in:
Andrew Cagney
parent
26ca415260
commit
bf6bad4b99
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@ -1,3 +1,10 @@
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2003-03-17 Andrew Cagney <cagney@redhat.com>
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From Elena Zannoni <ezannoni@redhat.com>. Test e500 abi and
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vector registes.
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* gdb.arch/e500-regs.c, gdb.arch/e500-regs.exp: New files.
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* gdb.arch/e500-abi.c, gdb.arch/e500-abi.exp: New files.
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2003-03-17 David Carlton <carlton@math.stanford.edu>
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* gdb.base/watchpoint.exp (test_watchpoint_and_breakpoint): New
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@ -0,0 +1,106 @@
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#include <spe.h>
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/* Test PowerPC SPU extensions. */
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#define vector __attribute__((vector_size(8)))
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vector unsigned short f_vec;
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vector short g_vec;
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vector float h_vec;
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vector float i_vec;
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vector unsigned int l_vec;
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vector int m_vec;
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vector int n_vec;
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/* dummy variables used in the testfile */
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vector unsigned int a_vec_d = {1, 1};
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vector int b_vec_d = {0, 0};
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vector float c_vec_d = {1.0, 1.0};
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vector unsigned int d_vec_d = {0, 0};
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vector int e_vec_d = {1, 1};
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vector unsigned short f_vec_d = {1, 1, 1, 1};
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vector short g_vec_d = {1, 1, 1, 1};
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vector float h_vec_d = {1.0, 1.0};
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vector float i_vec_d = {2.0, 2.0};
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vector unsigned int l_vec_d = {0, 0};
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vector int m_vec_d = {0, 0};
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vector int
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vec_func (vector unsigned int a_vec_f,
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vector int b_vec_f,
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vector float c_vec_f,
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vector unsigned int d_vec_f,
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vector int e_vec_f,
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vector unsigned short f_vec_f,
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vector short g_vec_f,
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vector float h_vec_f,
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vector float i_vec_f,
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vector unsigned int l_vec_f,
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vector int m_vec_f)
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{
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vector int n_vec;
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int x,y,z;
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x = 2;
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y = 3;
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z = x + y;
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z++;
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n_vec = __ev_and(a_vec_f, b_vec_f);
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n_vec = __ev_or(c_vec_f, d_vec_f);
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n_vec = __ev_or(e_vec_f, f_vec_f);
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n_vec = __ev_and(g_vec_f, h_vec_f);
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n_vec = __ev_and(i_vec_f, l_vec_f);
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n_vec = __ev_or(m_vec_f, a_vec_f);
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return n_vec;
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}
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void marker(void) {};
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int
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main (void)
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{
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vector unsigned int a_vec;
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vector int b_vec;
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vector float c_vec;
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vector unsigned int d_vec;
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vector int e_vec;
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vector int res_vec;
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a_vec = (vector unsigned int)__ev_create_u64 ((uint64_t) 55);
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b_vec = __ev_create_s64 ((int64_t) 66);
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c_vec = (vector float) __ev_create_fs (3.14F, 2.18F);
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d_vec = (vector unsigned int) __ev_create_u32 ((uint32_t) 5, (uint32_t) 4);
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e_vec = (vector int) __ev_create_s32 ((int32_t) 5, (int32_t) 6);
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f_vec = (vector unsigned short) __ev_create_u16 ((uint16_t) 6, (uint16_t) 6, (uint16_t) 7, (uint16_t) 1);
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g_vec = (vector short) __ev_create_s16 ((int16_t) 6, (int16_t) 6, (int16_t) 7, (int16_t) 9);
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h_vec = (vector float) __ev_create_sfix32_fs (3.0F, 2.0F);
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i_vec = (vector float) __ev_create_ufix32_fs (3.0F, 2.0F);
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l_vec = (vector unsigned int) __ev_create_ufix32_u32 (3U, 5U);
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m_vec = (vector int) __ev_create_sfix32_s32 (6, 9);
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marker ();
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#if 0
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/* This line is useful for cut-n-paste from a gdb session. */
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vec_func(a_vec,b_vec,c_vec,d_vec,e_vec,f_vec,g_vec,h_vec,i_vec,l_vec,m_vec)
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#endif
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res_vec = vec_func (a_vec, /* goes in r3 */
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b_vec, /* goes in r4 */
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c_vec, /* goes in r5 */
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d_vec, /* goes in r6 */
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e_vec, /* goes in r7 */
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f_vec, /* goes in r8 */
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g_vec, /* goes in r9 */
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h_vec, /* goes in r10 */
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i_vec, /* goes in stack */
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l_vec, /* goes in stack */
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m_vec); /* goes in stack */
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return 0;
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}
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@ -0,0 +1,90 @@
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# Copyright 2003 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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#
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# Tests for Powerpc e500 ABI
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if $tracelevel then {
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strace $tracelevel
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}
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#
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# This file uses e500-abi.c for input.
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#
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set prms_id 0
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set bug_id 0
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if ![istarget "powerpc-*eabispe"] then {
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verbose "Skipping e500 abi tests."
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return
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}
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set testfile "e500-abi"
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set binfile ${objdir}/${subdir}/${testfile}
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set src1 ${srcdir}/${subdir}/${testfile}.c
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if { [gdb_compile ${src1} ${binfile} executable {debug additional_flags=-w}] != "" } {
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gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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}
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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#
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# Run to `main' where we begin our tests.
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#
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if ![runto_main] then {
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gdb_suppress_tests
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}
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gdb_test "b marker" "Breakpoint 2 at.*file.*e500-abi.c, line \[0-9\]+." "break marker"
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gdb_test "continue" "Breakpoint 2.*marker.*e500-abi.c.*" "continue to marker"
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gdb_test "finish" "Run till exit from .0.*marker.*at.*e500-abi.c.*main \\(\\) at.*e500-abi.c.*res_vec = vec_func \\(a_vec,.*goes in r3.*" "back to main (1)"
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# now all the arguments of vec_func are initialized
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set pattern "vec_func .a_vec_f=.0, 55., b_vec_f=.0, 66., c_vec_f=.3.14.*2.18.*, d_vec_f=.5, 4., e_vec_f=.5, 6., f_vec_f=.6, 6, 7, 1., g_vec_f=.6, 6, 7, 9., h_vec_f=.3, 2., i_vec_f=.3, 2., l_vec_f=.3, 5., m_vec_f=.6, 9.."
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set pattern1 $pattern
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append pattern1 " at.*e500-abi.c.*x = 2;"
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# Now let's call the function. This function has > 8 args,
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# the last ones will go on the stack.
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gdb_test "p vec_func(a_vec,b_vec,c_vec,d_vec,e_vec,f_vec,g_vec,h_vec,i_vec,l_vec,m_vec)" \
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".\[0-9\]+ = .6, 63." "call inferior function with vectors (1) "
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# Let's call the function again with dummy arguments. This is to clean
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# up the contents of the ev registers before the next call.
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gdb_test "p vec_func(a_vec_d,b_vec_d,c_vec_d,d_vec_d,e_vec_d,f_vec_d,g_vec_d,h_vec_d,i_vec_d,l_vec_d,m_vec_d)" \
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".\[0-9\]+ = .1, 1." "call inferior function with vectors (2) "
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# Let's step into the function, to see if the args are printed correctly.
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gdb_test "step" \
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$pattern1 \
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"step into vec_func"
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# Let's see if the result is returned correctly.
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gdb_test "finish" \
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"Run till exit from .0.* at.*e500-abi.c.*main.*res_vec = vec_func .a_vec,.*goes in r3.*Value returned is.*= .6, 63." \
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"vector value returned correctly"
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@ -0,0 +1,94 @@
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# Copyright 2003 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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#
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# Tests for Powerpc e500 ABI
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if $tracelevel then {
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strace $tracelevel
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}
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#
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# This file uses e500-abi.c for input.
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#
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set prms_id 0
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set bug_id 0
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if ![istarget "powerpc-*eabispe"] then {
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verbose "Skipping e500 abi tests."
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return
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}
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set testfile "e500-abi"
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set binfile ${objdir}/${subdir}/${testfile}
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set src1 ${srcdir}/${subdir}/${testfile}.c
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if { [gdb_compile ${src1} ${binfile} executable {debug additional_flags=-w}] != "" } {
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gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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}
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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#
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# Run to `main' where we begin our tests.
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#
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if ![runto_main] then {
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gdb_suppress_tests
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}
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gdb_test "b marker" "Breakpoint 2 at.*file.*e500-abi.c, line \[0-9\]+." "break marker"
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gdb_test "continue" "Breakpoint 2.*marker.*e500-abi.c.*" "continue to marker"
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gdb_test "finish" "Run till exit from .0.*marker.*at.*e500-abi.c.*main \\(\\) at.*e500-abi.c.*res_vec = vec_func \\(a_vec,.*goes in r3.*" "back to main (1)"
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# now all the arguments of vec_func are initialized
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set pattern "vec_func .a_vec_f=.0, 55., b_vec_f=.0, 66., c_vec_f=.3.14.*2.18.*, d_vec_f=.5, 4., e_vec_f=.5, 6., f_vec_f=.6, 6, 7, 1., g_vec_f=.6, 6, 7, 9., h_vec_f=.3, 2., i_vec_f=.3, 2., l_vec_f=.3, 5., m_vec_f=.6, 9.."
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set pattern1 $pattern
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append pattern1 " at.*e500-abi.c.*x = 2;"
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# Now let's call the function. This function has > 8 args,
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# the last ones will go on the stack.
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gdb_test "p vec_func(a_vec,b_vec,c_vec,d_vec,e_vec,f_vec,g_vec,h_vec,i_vec,l_vec,m_vec)" \
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".\[0-9\]+ = .6, 63." "call inferior function with vectors (1) "
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# Let's call the function again with dummy arguments. This is to clean
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# up the contents of the ev registers before the next call.
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gdb_test "p vec_func(a_vec_d,b_vec_d,c_vec_d,d_vec_d,e_vec_d,f_vec_d,g_vec_d,h_vec_d,i_vec_d,l_vec_d,m_vec_d)" \
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".\[0-9\]+ = .1, 1." "call inferior function with vectors (2) "
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# Let's step into the function, to see if the args are printed correctly.
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gdb_test "step" \
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$pattern1 \
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"step into vec_func"
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set pattern2 $pattern
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append pattern2 " at.*e500-abi.c.*main.*res_vec = vec_func .a_vec,.*goes in r3.*Value returned is.*= .6, 63."
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# Let's see if the result is returned correctly.
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gdb_test "finish" \
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"Run till exit from .0.*$pattern2" \
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"vector value returned correctly"
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@ -0,0 +1,38 @@
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#include <spe.h>
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#include <stdio.h>
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#define vector __attribute__((vector_size(8)))
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vector int
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vector_fun (vector int a, vector int b)
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{
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vector int c;
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a = (vector int) __ev_create_s32 (2, 2);
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b = (vector int) __ev_create_s32 (3, 3);
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c = __ev_and (a, b);
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return c;
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}
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int
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main ()
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{
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vector int y;
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vector int x;
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vector int z;
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int a;
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|
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/* This line may look unnecessary but we do need it, because we want to
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have a line to do a next over (so that gdb refetches the registers)
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and we don't want the code to change any vector registers.
|
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The splat operations below modify the VRs,
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so we don't want to execute them yet. */
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a = 9;
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x = (vector int) __ev_create_s32 (-2, -2);
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y = (vector int) __ev_create_s32 (1, 1);
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z = vector_fun (x, y);
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|
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return 0;
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||||
}
|
||||
|
|
@ -0,0 +1,229 @@
|
|||
# Copyright 2003 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
|
||||
#
|
||||
|
||||
# Tests for Powerpc E500 register setting and fetching
|
||||
|
||||
if $tracelevel then {
|
||||
strace $tracelevel
|
||||
}
|
||||
|
||||
#
|
||||
# Test the use of registers, especially E500 registers, for Powerpc.
|
||||
# This file uses e500-regs.c for input.
|
||||
#
|
||||
|
||||
set prms_id 0
|
||||
set bug_id 0
|
||||
|
||||
if ![istarget "powerpc-*eabispe"] then {
|
||||
verbose "Skipping e500 register tests."
|
||||
return
|
||||
}
|
||||
|
||||
set testfile "e500-regs"
|
||||
set binfile ${objdir}/${subdir}/${testfile}
|
||||
set src1 ${srcdir}/${subdir}/${testfile}.c
|
||||
|
||||
if { [gdb_compile ${src1} ${binfile} executable {debug additional_flags=-w}] != "" } {
|
||||
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
|
||||
}
|
||||
|
||||
gdb_start
|
||||
gdb_reinitialize_dir $srcdir/$subdir
|
||||
gdb_load ${binfile}
|
||||
|
||||
#
|
||||
# Run to `main' where we begin our tests.
|
||||
#
|
||||
|
||||
if ![runto_main] then {
|
||||
gdb_suppress_tests
|
||||
}
|
||||
|
||||
# set all the registers integer portions to 1
|
||||
for {set i 0} {$i < 32} {incr i 1} {
|
||||
for {set j 0} {$j < 2} {incr j 1} {
|
||||
gdb_test "set \$ev$i.v2_int32\[$j\] = 1" "" "set reg ev$i.v4si.f\[$j\]"
|
||||
}
|
||||
}
|
||||
|
||||
# Now execute some target code, so that GDB's register cache is flushed.
|
||||
|
||||
#gdb_test "next" "" ""
|
||||
|
||||
send_gdb "show endian\n"
|
||||
gdb_expect {
|
||||
-re "(The target endianness is set automatically .currently )(big|little)( endian.*)$gdb_prompt $" {
|
||||
pass "endianness"
|
||||
set endianness $expect_out(2,string)
|
||||
}
|
||||
-re ".*$gdb_prompt $" {
|
||||
fail "couldn't get endianness"
|
||||
}
|
||||
timeout { fail "(timeout) endianness" }
|
||||
}
|
||||
|
||||
# And then read the E500 registers back, to see that
|
||||
# a) the register write above worked, and
|
||||
# b) the register read (below) also works.
|
||||
|
||||
if {$endianness == "big"} {
|
||||
set vector_register ".uint64 = 0x100000001, v2_float = .0x0, 0x0., v2_int32 = .0x1, 0x1., v4_int16 = .0x0, 0x1, 0x0, 0x1., v8_int8 = .0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1.."
|
||||
} else {
|
||||
set vector_register ".uint64 = 0x100000001, v2_float = .0x0, 0x0., v2_int32 = .0x1, 0x1., v4_int16 = .0x1, 0x0, 0x1, 0x0., v8_int8 = .0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0.."
|
||||
}
|
||||
|
||||
for {set i 0} {$i < 32} {incr i 1} {
|
||||
gdb_test "info reg ev$i" "ev$i.*$vector_register" "info reg ev$i"
|
||||
}
|
||||
|
||||
# Test wether the GPRs are updated accordingly. (GPRs are just the lower
|
||||
# 32 bits of the EV registers.)
|
||||
|
||||
set general_register "0x1\[ \t\]+1"
|
||||
|
||||
for {set i 0} {$i < 32} {incr i 1} {
|
||||
gdb_test "info reg r$i" "r$i.*$general_register" "info reg r$i"
|
||||
}
|
||||
|
||||
# Now redo the same tests, but using the print command.
|
||||
# Note: in LE case, the char array is printed WITHOUT the last character.
|
||||
# Gdb treats the terminating null char in the array like the terminating
|
||||
# null char in a string and doesn't print it. This is not a failure, but
|
||||
# the way gdb works.
|
||||
|
||||
if {$endianness == "big"} {
|
||||
set decimal_vector ".uint64 = 4294967297, v2_float = .1.*e-45, 1.*e-45., v2_int32 = .1, 1., v4_int16 = .0, 1, 0, 1., v8_int8 = ..000.000.000.001.000.000.000.001.."
|
||||
} else {
|
||||
set decimal_vector ".uint64 = 0x0000000100000001, v2_float = .1.*e-45, 1.*e-45., v2_int32 = .1, 1., v4_int16 = .1, 0, 1, 0., v8_int8 = ..001.000.000.000.001.000.000.000.001.000.000.000.001.000.000.."
|
||||
}
|
||||
|
||||
for {set i 0} {$i < 32} {incr i 1} {
|
||||
gdb_test "print \$ev$i" ".* = $decimal_vector" "print ev$i"
|
||||
}
|
||||
|
||||
for {set i 0} {$i < 32} {incr i 1} {
|
||||
set pattern$i ".*ev$i.*"
|
||||
append pattern$i $vector_register
|
||||
}
|
||||
|
||||
send_gdb "info vector\n"
|
||||
gdb_expect_list "info vector" ".*$gdb_prompt $" {
|
||||
[$pattern0]
|
||||
[$pattern1]
|
||||
[$pattern2]
|
||||
[$pattern3]
|
||||
[$pattern4]
|
||||
[$pattern5]
|
||||
[$pattern6]
|
||||
[$pattern7]
|
||||
[$pattern8]
|
||||
[$pattern9]
|
||||
[$pattern10]
|
||||
[$pattern11]
|
||||
[$pattern12]
|
||||
[$pattern13]
|
||||
[$pattern14]
|
||||
[$pattern15]
|
||||
[$pattern16]
|
||||
[$pattern17]
|
||||
[$pattern18]
|
||||
[$pattern19]
|
||||
[$pattern20]
|
||||
[$pattern21]
|
||||
[$pattern22]
|
||||
[$pattern23]
|
||||
[$pattern24]
|
||||
[$pattern25]
|
||||
[$pattern26]
|
||||
[$pattern27]
|
||||
[$pattern28]
|
||||
[$pattern29]
|
||||
[$pattern30]
|
||||
[$pattern31]
|
||||
}
|
||||
|
||||
# We must restart everything, because we have set important registers to
|
||||
# some unusual values.
|
||||
|
||||
gdb_exit
|
||||
gdb_start
|
||||
gdb_reinitialize_dir $srcdir/$subdir
|
||||
gdb_load ${binfile}
|
||||
if ![runto_main] then {
|
||||
gdb_suppress_tests
|
||||
}
|
||||
|
||||
gdb_test "break vector_fun" \
|
||||
"Breakpoint 2 at.*e500-regs.c, line \[0-9\]+\\." \
|
||||
"Set breakpoint at vector_fun"
|
||||
|
||||
# Actually it is nuch easier to see these results printed in hex.
|
||||
# gdb_test "set output-radix 16" \
|
||||
# "Output radix now set to decimal 16, hex 10, octal 20." \
|
||||
# "Set output radix to hex"
|
||||
|
||||
gdb_test "continue" \
|
||||
"Breakpoint 2, vector_fun .a=.-2, -2., b=.1, 1.*e500-regs.c.*ev_create_s32 .2, 2.;" \
|
||||
"continue to vector_fun"
|
||||
|
||||
# Do a next over the assignment to vector 'a'.
|
||||
gdb_test "next" ".*b = \\(vector int\\) __ev_create_s32 \\(3, 3\\);" \
|
||||
"next (1)"
|
||||
|
||||
# Do a next over the assignment to vector 'b'.
|
||||
gdb_test "next" "c = __ev_and \\(a, b\\);" \
|
||||
"next (2)"
|
||||
|
||||
# Now 'a' should be '0x02020202...' and 'b' should be '0x03030303...'
|
||||
gdb_test "print/x a" \
|
||||
".*= .0x2, 0x2." \
|
||||
"print vector parameter a"
|
||||
|
||||
gdb_test "print/x b" \
|
||||
".*= .0x3, 0x3." \
|
||||
"print vector parameter b"
|
||||
|
||||
# If we do an 'up' now, and print 'x' and 'y' we should see the values they
|
||||
# have in main, not the values they have in vector_fun.
|
||||
gdb_test "up" ".1.*main \\(\\) at.*e500-regs.c.*z = vector_fun \\(x, y\\);" \
|
||||
"up to main"
|
||||
|
||||
gdb_test "print x" \
|
||||
".*= .-2, -2." \
|
||||
"print vector x"
|
||||
|
||||
gdb_test "print y" \
|
||||
".*= .1, 1." \
|
||||
"print vector y"
|
||||
|
||||
# now go back to vector_func and do a finish, to see if we can print the return
|
||||
# value correctly.
|
||||
|
||||
gdb_test "down" \
|
||||
".0 vector_fun \\(a=.2, 2., b=.3, 3.\\) at.*e500-regs.c.*c = __ev_and \\(a, b\\);" \
|
||||
"down to vector_fun"
|
||||
|
||||
gdb_test "finish" \
|
||||
"Run till exit from .0 vector_fun \\(a=.2, 2., b=.3, 3.\\) at.*e500-regs.c.*main \\(\\) at.*e500-regs.c.*z = vector_fun \\(x, y\\);.*Value returned is.*= .2, 2." \
|
||||
"finish returned correct value"
|
||||
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,229 @@
|
|||
# Copyright 2003 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
|
||||
#
|
||||
|
||||
# Tests for Powerpc E500 register setting and fetching
|
||||
|
||||
if $tracelevel then {
|
||||
strace $tracelevel
|
||||
}
|
||||
|
||||
#
|
||||
# Test the use of registers, especially E500 registers, for Powerpc.
|
||||
# This file uses e500-regs.c for input.
|
||||
#
|
||||
|
||||
set prms_id 0
|
||||
set bug_id 0
|
||||
|
||||
if ![istarget "powerpc-*eabispe"] then {
|
||||
verbose "Skipping e500 register tests."
|
||||
return
|
||||
}
|
||||
|
||||
set testfile "e500-regs"
|
||||
set binfile ${objdir}/${subdir}/${testfile}
|
||||
set src1 ${srcdir}/${subdir}/${testfile}.c
|
||||
|
||||
if { [gdb_compile ${src1} ${binfile} executable {debug additional_flags=-w}] != "" } {
|
||||
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
|
||||
}
|
||||
|
||||
gdb_start
|
||||
gdb_reinitialize_dir $srcdir/$subdir
|
||||
gdb_load ${binfile}
|
||||
|
||||
#
|
||||
# Run to `main' where we begin our tests.
|
||||
#
|
||||
|
||||
if ![runto_main] then {
|
||||
gdb_suppress_tests
|
||||
}
|
||||
|
||||
# set all the registers integer portions to 1
|
||||
for {set i 0} {$i < 32} {incr i 1} {
|
||||
for {set j 0} {$j < 2} {incr j 1} {
|
||||
gdb_test "set \$ev$i.v2_int32\[$j\] = 1" "" "set reg ev$i.v4si.f\[$j\]"
|
||||
}
|
||||
}
|
||||
|
||||
# Now execute some target code, so that GDB's register cache is flushed.
|
||||
|
||||
#gdb_test "next" "" ""
|
||||
|
||||
send_gdb "show endian\n"
|
||||
gdb_expect {
|
||||
-re "(The target endianness is set automatically .currently )(big|little)( endian.*)$gdb_prompt $" {
|
||||
pass "endianness"
|
||||
set endianness $expect_out(2,string)
|
||||
}
|
||||
-re ".*$gdb_prompt $" {
|
||||
fail "couldn't get endianness"
|
||||
}
|
||||
timeout { fail "(timeout) endianness" }
|
||||
}
|
||||
|
||||
# And then read the E500 registers back, to see that
|
||||
# a) the register write above worked, and
|
||||
# b) the register read (below) also works.
|
||||
|
||||
if {$endianness == "big"} {
|
||||
set vector_register ".uint64 = 0x100000001, v2_float = .0x0, 0x0., v2_int32 = .0x1, 0x1., v4_int16 = .0x0, 0x1, 0x0, 0x1., v8_int8 = .0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1.."
|
||||
} else {
|
||||
set vector_register ".uint64 = 0x100000001, v2_float = .0x0, 0x0., v2_int32 = .0x1, 0x1., v4_int16 = .0x1, 0x0, 0x1, 0x0., v8_int8 = .0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0.."
|
||||
}
|
||||
|
||||
for {set i 0} {$i < 32} {incr i 1} {
|
||||
gdb_test "info reg ev$i" "ev$i.*$vector_register" "info reg ev$i"
|
||||
}
|
||||
|
||||
# Test wether the GPRs are updated accordingly. (GPRs are just the lower
|
||||
# 32 bits of the EV registers.)
|
||||
|
||||
set general_register "0x1\[ \t\]+1"
|
||||
|
||||
for {set i 0} {$i < 32} {incr i 1} {
|
||||
gdb_test "info reg r$i" "r$i.*$general_register" "info reg r$i"
|
||||
}
|
||||
|
||||
# Now redo the same tests, but using the print command.
|
||||
# Note: in LE case, the char array is printed WITHOUT the last character.
|
||||
# Gdb treats the terminating null char in the array like the terminating
|
||||
# null char in a string and doesn't print it. This is not a failure, but
|
||||
# the way gdb works.
|
||||
|
||||
if {$endianness == "big"} {
|
||||
set decimal_vector ".uint64 = 4294967297, v2_float = .1.*e-45, 1.*e-45., v2_int32 = .1, 1., v4_int16 = .0, 1, 0, 1., v8_int8 = ..0.0.0.001.0.0.0.001.."
|
||||
} else {
|
||||
set decimal_vector ".uint64 = 0x0000000100000001, v2_float = .1.*e-45, 1.*e-45., v2_int32 = .1, 1., v4_int16 = .1, 0, 1, 0., v8_int8 = ..001.0.0.0.001.0.0.0.001.0.0.0.001.0.0.."
|
||||
}
|
||||
|
||||
for {set i 0} {$i < 32} {incr i 1} {
|
||||
gdb_test "print \$ev$i" ".* = $decimal_vector" "print ev$i"
|
||||
}
|
||||
|
||||
for {set i 0} {$i < 32} {incr i 1} {
|
||||
set pattern$i ".*ev$i.*"
|
||||
append pattern$i $vector_register
|
||||
}
|
||||
|
||||
send_gdb "info powerpc vector\n"
|
||||
gdb_expect_list "info powerpc vector" ".*$gdb_prompt $" {
|
||||
[$pattern0]
|
||||
[$pattern1]
|
||||
[$pattern2]
|
||||
[$pattern3]
|
||||
[$pattern4]
|
||||
[$pattern5]
|
||||
[$pattern6]
|
||||
[$pattern7]
|
||||
[$pattern8]
|
||||
[$pattern9]
|
||||
[$pattern10]
|
||||
[$pattern11]
|
||||
[$pattern12]
|
||||
[$pattern13]
|
||||
[$pattern14]
|
||||
[$pattern15]
|
||||
[$pattern16]
|
||||
[$pattern17]
|
||||
[$pattern18]
|
||||
[$pattern19]
|
||||
[$pattern20]
|
||||
[$pattern21]
|
||||
[$pattern22]
|
||||
[$pattern23]
|
||||
[$pattern24]
|
||||
[$pattern25]
|
||||
[$pattern26]
|
||||
[$pattern27]
|
||||
[$pattern28]
|
||||
[$pattern29]
|
||||
[$pattern30]
|
||||
[$pattern31]
|
||||
}
|
||||
|
||||
# We must restart everything, because we have set important registers to
|
||||
# some unusual values.
|
||||
|
||||
gdb_exit
|
||||
gdb_start
|
||||
gdb_reinitialize_dir $srcdir/$subdir
|
||||
gdb_load ${binfile}
|
||||
if ![runto_main] then {
|
||||
gdb_suppress_tests
|
||||
}
|
||||
|
||||
gdb_test "break vector_fun" \
|
||||
"Breakpoint 2 at.*e500-regs.c, line \[0-9\]+\\." \
|
||||
"Set breakpoint at vector_fun"
|
||||
|
||||
# Actually it is nuch easier to see these results printed in hex.
|
||||
# gdb_test "set output-radix 16" \
|
||||
# "Output radix now set to decimal 16, hex 10, octal 20." \
|
||||
# "Set output radix to hex"
|
||||
|
||||
gdb_test "continue" \
|
||||
"Breakpoint 2, vector_fun .a=.-2, -2., b=.1, 1.*e500-regs.c.*ev_create_s32 .2, 2.;" \
|
||||
"continue to vector_fun"
|
||||
|
||||
# Do a next over the assignment to vector 'a'.
|
||||
gdb_test "next" ".*b = \\(vector int\\) __ev_create_s32 \\(3, 3\\);" \
|
||||
"next (1)"
|
||||
|
||||
# Do a next over the assignment to vector 'b'.
|
||||
gdb_test "next" "c = __ev_and \\(a, b\\);" \
|
||||
"next (2)"
|
||||
|
||||
# Now 'a' should be '0x02020202...' and 'b' should be '0x03030303...'
|
||||
gdb_test "print/x a" \
|
||||
".*= .0x2, 0x2." \
|
||||
"print vector parameter a"
|
||||
|
||||
gdb_test "print/x b" \
|
||||
".*= .0x3, 0x3." \
|
||||
"print vector parameter b"
|
||||
|
||||
# If we do an 'up' now, and print 'x' and 'y' we should see the values they
|
||||
# have in main, not the values they have in vector_fun.
|
||||
gdb_test "up" ".1.*main \\(\\) at.*e500-regs.c.*z = vector_fun \\(x, y\\);" \
|
||||
"up to main"
|
||||
|
||||
gdb_test "print x" \
|
||||
".*= .-2, -2." \
|
||||
"print vector x"
|
||||
|
||||
gdb_test "print y" \
|
||||
".*= .1, 1." \
|
||||
"print vector y"
|
||||
|
||||
# now go back to vector_func and do a finish, to see if we can print the return
|
||||
# value correctly.
|
||||
|
||||
gdb_test "down" \
|
||||
".0 vector_fun \\(a=.2, 2., b=.3, 3.\\) at.*e500-regs.c.*c = __ev_and \\(a, b\\);" \
|
||||
"down to vector_fun"
|
||||
|
||||
gdb_test "finish" \
|
||||
"Run till exit from .0 vector_fun \\(a=.2, 2., b=.3, 3.\\) at.*e500-regs.c.*main \\(\\) at.*e500-regs.c.*z = vector_fun \\(x, y\\);.*Value returned is.*= .2, 2." \
|
||||
"finish returned correct value"
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue