Avoid -Wnarrowing warnings in gdbserver
This avoids -Wnarrowing warnings in gdbserver, by introducing some casts to unsigned char. gdb/gdbserver/ChangeLog 2018-08-27 Tom Tromey <tom@tromey.com> * linux-s390-low.c (s390_emit_ext, s390_emit_litpool) (s390_emit_const, s390_emit_reg, s390_emit_zero_ext) (s390_emit_stack_adjust, s390_emit_set_r2, s390x_emit_ext) (s390x_emit_const, s390x_emit_reg, s390x_emit_zero_ext) (s390x_emit_stack_adjust): Add casts to unsigned char.
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Tom Tromey
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8406672eca
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@ -1,3 +1,11 @@
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2018-08-27 Tom Tromey <tom@tromey.com>
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* linux-s390-low.c (s390_emit_ext, s390_emit_litpool)
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(s390_emit_const, s390_emit_reg, s390_emit_zero_ext)
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(s390_emit_stack_adjust, s390_emit_set_r2, s390x_emit_ext)
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(s390x_emit_const, s390x_emit_reg, s390x_emit_zero_ext)
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(s390x_emit_stack_adjust): Add casts to unsigned char.
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2018-08-22 Simon Marchi <simon.marchi@ericsson.com>
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PR gdb/23374
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@ -1605,8 +1605,8 @@ static void
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s390_emit_ext (int arg)
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{
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unsigned char buf[] = {
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0x8d, 0x20, 0x00, 64 - arg, /* sldl %r2, <64-arg> */
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0x8e, 0x20, 0x00, 64 - arg, /* srda %r2, <64-arg> */
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0x8d, 0x20, 0x00, (unsigned char) (64 - arg), /* sldl %r2, <64-arg> */
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0x8e, 0x20, 0x00, (unsigned char) (64 - arg), /* srda %r2, <64-arg> */
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};
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add_insns (buf, sizeof buf);
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}
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@ -1837,7 +1837,8 @@ s390_emit_litpool (int size)
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0x07, 0x07,
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};
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unsigned char buf[] = {
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0xa7, 0x15, 0x00, (size + 4) / 2, /* bras %r1, .Lend+size */
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0xa7, 0x15, 0x00,
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(unsigned char) ((size + 4) / 2), /* bras %r1, .Lend+size */
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/* .Lend: */
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};
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if (size == 4)
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@ -1861,8 +1862,11 @@ s390_emit_const (LONGEST num)
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{
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unsigned long long n = num;
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unsigned char buf_s[] = {
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0xa7, 0x38, num >> 8, num, /* lhi %r3, <num> */
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0x17, 0x22, /* xr %r2, %r2 */
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/* lhi %r3, <num> */
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0xa7, 0x38,
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(unsigned char) (num >> 8), (unsigned char) num,
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/* xr %r2, %r2 */
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0x17, 0x22,
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};
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static const unsigned char buf_l[] = {
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0x98, 0x23, 0x10, 0x00, /* lm %r2, %r3, 0(%r1) */
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@ -1902,8 +1906,10 @@ static void
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s390_emit_reg (int reg)
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{
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unsigned char bufpre[] = {
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0x18, 0x29, /* lr %r2, %r9 */
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0xa7, 0x38, reg >> 8, reg, /* lhi %r3, <reg> */
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/* lr %r2, %r9 */
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0x18, 0x29,
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/* lhi %r3, <reg> */
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0xa7, 0x38, (unsigned char) (reg >> 8), (unsigned char) reg,
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};
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add_insns (bufpre, sizeof bufpre);
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s390_emit_call (get_raw_reg_func_addr ());
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@ -1939,8 +1945,8 @@ static void
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s390_emit_zero_ext (int arg)
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{
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unsigned char buf[] = {
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0x8d, 0x20, 0x00, 64 - arg, /* sldl %r2, <64-arg> */
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0x8c, 0x20, 0x00, 64 - arg, /* srdl %r2, <64-arg> */
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0x8d, 0x20, 0x00, (unsigned char) (64 - arg), /* sldl %r2, <64-arg> */
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0x8c, 0x20, 0x00, (unsigned char) (64 - arg), /* srdl %r2, <64-arg> */
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};
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add_insns (buf, sizeof buf);
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}
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@ -1965,7 +1971,9 @@ static void
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s390_emit_stack_adjust (int n)
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{
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unsigned char buf[] = {
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0xa7, 0xfa, n * 8 >> 8, n * 8, /* ahi %r15, 8*n */
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/* ahi %r15, 8*n */
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0xa7, 0xfa,
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(unsigned char ) (n * 8 >> 8), (unsigned char) (n * 8),
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};
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add_insns (buf, sizeof buf);
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}
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@ -1976,7 +1984,8 @@ static void
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s390_emit_set_r2 (int arg1)
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{
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unsigned char buf_s[] = {
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0xa7, 0x28, arg1 >> 8, arg1, /* lhi %r2, <arg1> */
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/* lhi %r2, <arg1> */
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0xa7, 0x28, (unsigned char) (arg1 >> 8), (unsigned char) arg1,
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};
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static const unsigned char buf_l[] = {
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0x58, 0x20, 0x10, 0x00, /* l %r2, 0(%r1) */
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@ -2330,8 +2339,10 @@ static void
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s390x_emit_ext (int arg)
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{
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unsigned char buf[] = {
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0xeb, 0x22, 0x00, 64 - arg, 0x00, 0x0d, /* sllg %r2, %r2, <64-arg> */
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0xeb, 0x22, 0x00, 64 - arg, 0x00, 0x0a, /* srag %r2, %r2, <64-arg> */
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/* sllg %r2, %r2, <64-arg> */
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0xeb, 0x22, 0x00, (unsigned char) (64 - arg), 0x00, 0x0d,
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/* srag %r2, %r2, <64-arg> */
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0xeb, 0x22, 0x00, (unsigned char) (64 - arg), 0x00, 0x0a,
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};
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add_insns (buf, sizeof buf);
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}
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@ -2499,7 +2510,8 @@ s390x_emit_const (LONGEST num)
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{
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unsigned long long n = num;
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unsigned char buf_s[] = {
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0xa7, 0x29, num >> 8, num, /* lghi %r2, <num> */
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/* lghi %r2, <num> */
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0xa7, 0x29, (unsigned char) (num >> 8), (unsigned char) num,
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};
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static const unsigned char buf_l[] = {
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0xe3, 0x20, 0x10, 0x00, 0x00, 0x04, /* lg %r2, 0(%r1) */
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@ -2539,8 +2551,10 @@ static void
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s390x_emit_reg (int reg)
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{
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unsigned char buf[] = {
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0xb9, 0x04, 0x00, 0x29, /* lgr %r2, %r9 */
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0xa7, 0x39, reg >> 8, reg, /* lghi %r3, <reg> */
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/* lgr %r2, %r9 */
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0xb9, 0x04, 0x00, 0x29,
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/* lghi %r3, <reg> */
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0xa7, 0x39, (unsigned char) (reg >> 8), (unsigned char) reg,
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};
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add_insns (buf, sizeof buf);
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s390x_emit_call (get_raw_reg_func_addr ());
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@ -2576,8 +2590,10 @@ static void
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s390x_emit_zero_ext (int arg)
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{
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unsigned char buf[] = {
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0xeb, 0x22, 0x00, 64 - arg, 0x00, 0x0d, /* sllg %r2, %r2, <64-arg> */
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0xeb, 0x22, 0x00, 64 - arg, 0x00, 0x0c, /* srlg %r2, %r2, <64-arg> */
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/* sllg %r2, %r2, <64-arg> */
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0xeb, 0x22, 0x00, (unsigned char) (64 - arg), 0x00, 0x0d,
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/* srlg %r2, %r2, <64-arg> */
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0xeb, 0x22, 0x00, (unsigned char) (64 - arg), 0x00, 0x0c,
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};
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add_insns (buf, sizeof buf);
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}
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@ -2601,7 +2617,9 @@ static void
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s390x_emit_stack_adjust (int n)
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{
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unsigned char buf[] = {
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0xa7, 0xfb, n * 8 >> 8, n * 8, /* aghi %r15, 8*n */
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/* aghi %r15, 8*n */
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0xa7, 0xfb,
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(unsigned char) (n * 8 >> 8), (unsigned char) (n * 8),
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};
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add_insns (buf, sizeof buf);
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}
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