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gas/
* expr.c (add_to_result, subtract_from_result): Make global.
* expr.h (add_to_result, subtract_from_result): Add prototypes.
* config/tc-sh.c (sh_optimize_expr): Use add_to_result,
subtract_from_result to handle extra bit of precision for .sleb128
directive operands.
gas/testsuite/
* gas/all/gas.exp (sleb128-7): Don't run for tic4x, tic54x.
* gas/all/sleb128-2.s: Reformat, use _ at start of labels, remove
cruft.
* gas/all/sleb128-3.s: Likewise.
* gas/all/sleb128-4.s: Likewise.
* gas/all/sleb128-5.s: Likewise.
* gas/all/sleb128-7.s: Likewise.
* gas/all/sleb128-2.d: Handle data sections named $DATA$.
* gas/all/sleb128-3.d: Likewise.
* gas/all/sleb128-4.d: Likewise.
* gas/all/sleb128-5.d: Likewise.
* gas/all/sleb128-7.d: Likewise.
This commit is contained in:
Julian Brown
parent
ceb0a680b1
commit
4455e9aded
@ -1,3 +1,11 @@
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2013-04-15 Julian Brown <julian@codesourcery.com>
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* expr.c (add_to_result, subtract_from_result): Make global.
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* expr.h (add_to_result, subtract_from_result): Add prototypes.
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* config/tc-sh.c (sh_optimize_expr): Use add_to_result,
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subtract_from_result to handle extra bit of precision for .sleb128
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directive operands.
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2013-04-10 Julian Brown <julian@codesourcery.com>
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* read.c (convert_to_bignum): Add sign parameter. Use it
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@ -931,10 +931,11 @@ sh_optimize_expr (expressionS *l, operatorT op, expressionS *r)
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symbol_get_frag (r->X_add_symbol),
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&frag_off))
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{
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l->X_add_number -= r->X_add_number;
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l->X_add_number -= frag_off / OCTETS_PER_BYTE;
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l->X_add_number += (S_GET_VALUE (l->X_add_symbol)
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- S_GET_VALUE (r->X_add_symbol));
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offsetT symval_diff = S_GET_VALUE (l->X_add_symbol)
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- S_GET_VALUE (r->X_add_symbol);
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subtract_from_result (l, r->X_add_number, r->X_extrabit);
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subtract_from_result (l, frag_off / OCTETS_PER_BYTE, 0);
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add_to_result (l, symval_diff, symval_diff < 0);
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l->X_op = O_constant;
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l->X_add_symbol = 0;
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return 1;
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@ -1729,7 +1729,7 @@ operatorf (int *num_chars)
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signed word values can be represented in an O_constant expression, which is
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useful e.g. for .sleb128 directives. */
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static void
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void
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add_to_result (expressionS *resultP, offsetT amount, int rhs_highbit)
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{
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valueT ures = resultP->X_add_number;
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@ -1745,7 +1745,7 @@ add_to_result (expressionS *resultP, offsetT amount, int rhs_highbit)
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/* Similarly, for subtraction. */
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static void
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void
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subtract_from_result (expressionS *resultP, offsetT amount, int rhs_highbit)
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{
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valueT ures = resultP->X_add_number;
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@ -175,6 +175,8 @@ extern char get_symbol_end (void);
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extern void expr_begin (void);
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extern void expr_set_precedence (void);
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extern void expr_set_rank (operatorT, operator_rankT);
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extern void add_to_result (expressionS *, offsetT, int);
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extern void subtract_from_result (expressionS *, offsetT, int);
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extern segT expr (int, expressionS *, enum expr_mode);
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extern unsigned int get_single_number (void);
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extern symbolS *make_expr_symbol (expressionS * expressionP);
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@ -1,3 +1,18 @@
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2013-04-15 Julian Brown <julian@codesourcery.com>
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* gas/all/gas.exp (sleb128-7): Don't run for tic4x, tic54x.
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* gas/all/sleb128-2.s: Reformat, use _ at start of labels, remove
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cruft.
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* gas/all/sleb128-3.s: Likewise.
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* gas/all/sleb128-4.s: Likewise.
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* gas/all/sleb128-5.s: Likewise.
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* gas/all/sleb128-7.s: Likewise.
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* gas/all/sleb128-2.d: Handle data sections named $DATA$.
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* gas/all/sleb128-3.d: Likewise.
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* gas/all/sleb128-4.d: Likewise.
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* gas/all/sleb128-5.d: Likewise.
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* gas/all/sleb128-7.d: Likewise.
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2013-04-10 Julian Brown <julian@codesourcery.com>
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* gas/all/sleb128-2.s: New test.
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@ -373,7 +373,10 @@ run_dump_test sleb128-2
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run_dump_test sleb128-3
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run_dump_test sleb128-4
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run_dump_test sleb128-5
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run_dump_test sleb128-7
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# .byte is not 8 bits on either tic4x or tic54x
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if { ![istarget "tic4x*-*-*"] && ![istarget "tic54x*-*-*"] } {
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run_dump_test sleb128-7
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}
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# .byte is 32 bits on tic4x, and .p2align isn't supported on tic54x
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# .space is different on hppa*-hpux.
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@ -1,7 +1,7 @@
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#objdump : -s -j .data
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#objdump : -s -j .data -j "\$DATA\$"
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#name : .sleb128 tests (2)
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.*: .*
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Contents of section \.data:
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Contents of section (\.data|\$DATA\$):
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.* 7d2a.*
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@ -1,13 +1,10 @@
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.text
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.globl foo
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foo:
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.L1:
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.byte 0
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.byte 0
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.byte 0
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.L2:
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.text
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_L1:
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.byte 0
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.byte 0
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.byte 0
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_L2:
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.data
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bar:
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.sleb128 .L1 - .L2
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.byte 42
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.data
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.sleb128 _L1 - _L2
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.byte 42
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@ -1,7 +1,7 @@
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#objdump : -s -j .data
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#objdump : -s -j .data -j "\$DATA\$"
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#name : .sleb128 tests (3)
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.*: .*
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Contents of section \.data:
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Contents of section (\.data|\$DATA\$):
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.* 9c7f2a.*
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@ -1,4 +1,3 @@
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.data
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bar:
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.sleb128 100 - 200
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.byte 42
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.data
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.sleb128 100 - 200
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.byte 42
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@ -1,7 +1,7 @@
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#objdump : -s -j .data
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#objdump : -s -j .data -j "\$DATA\$"
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#name : .sleb128 tests (4)
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.*: .*
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Contents of section \.data:
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Contents of section (\.data|\$DATA\$):
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.* 83808080 082a.*
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@ -1,13 +1,10 @@
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.text
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.globl foo
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foo:
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.L1:
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.byte 0
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.byte 0
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.byte 0
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.L2:
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.text
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_L1:
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.byte 0
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.byte 0
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.byte 0
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_L2:
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.data
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bar:
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.sleb128 .L2 - .L1 + (1 << 31)
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.byte 42
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.data
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.sleb128 _L2 - _L1 + (1 << 31)
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.byte 42
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@ -1,7 +1,7 @@
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#objdump : -s -j .data
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#objdump : -s -j .data -j "\$DATA\$"
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#name : .sleb128 tests (5)
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.*: .*
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Contents of section \.data:
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Contents of section (\.data|\$DATA\$):
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.* 012a.*
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@ -1,13 +1,10 @@
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.text
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.globl foo
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foo:
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.L1:
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.byte 0
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.byte 0
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.byte 0
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.L2:
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.text
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_L1:
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.byte 0
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.byte 0
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.byte 0
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_L2:
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.data
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bar:
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.sleb128 .L1 - .L2 + 4
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.byte 42
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.data
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.sleb128 _L1 - _L2 + 4
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.byte 42
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@ -1,7 +1,7 @@
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#objdump : -s -j .data
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#objdump : -s -j .data -j "\$DATA\$"
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#name : .sleb128 tests (7)
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.*: .*
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Contents of section \.data:
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Contents of section (\.data|\$DATA\$):
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.* cb012ac5 012acb01 2ac5012a.*
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@ -1,19 +1,16 @@
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.text
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.globl foo
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foo:
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.L1:
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.byte 0
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.byte 0
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.byte 0
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.L2:
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.text
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_L1:
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.byte 0
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.byte 0
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.byte 0
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_L2:
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.data
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bar:
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.sleb128 200+(.L2 - .L1)
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.byte 42
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.sleb128 200+(.L1 - .L2)
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.byte 42
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.sleb128 (.L2 - .L1)+200
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.byte 42
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.sleb128 (.L1 - .L2)+200
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.byte 42
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.data
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.sleb128 200+(_L2 - _L1)
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.byte 42
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.sleb128 200+(_L1 - _L2)
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.byte 42
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.sleb128 (_L2 - _L1)+200
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.byte 42
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.sleb128 (_L1 - _L2)+200
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.byte 42
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