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authorSteve Chamberlain <steve@cygnus>1991-05-07 19:16:33 +0000
committerSteve Chamberlain <steve@cygnus>1991-05-07 19:16:33 +0000
commit6812f0e89f4c32d9bd94f9c70713766aa2cdbe6f (patch)
tree57cb33dc0642194ccc5c27d2d7bfa89f5f75bffc
parentdcf22de9967ea4e0f836c7409a1f5411a7924df0 (diff)
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Fixed the shift reduce errors in the grammer using the yacc debugger.
Removed some lint highlighted by the same.
-rw-r--r--ld/ldexp.c12
-rw-r--r--ld/ldgram.y45
-rw-r--r--ld/ldlex.l3
3 files changed, 28 insertions, 32 deletions
diff --git a/ld/ldexp.c b/ld/ldexp.c
index fe86a7c..c91af29 100644
--- a/ld/ldexp.c
+++ b/ld/ldexp.c
@@ -65,7 +65,6 @@ token_code_type code;
} table[] =
{
INT, "int",
- CHAR,"char",
NAME,"NAME",
PLUSEQ,"+=",
MINUSEQ,"-=",
@@ -86,17 +85,16 @@ token_code_type code;
ALIGN_K,"ALIGN",
BLOCK,"BLOCK",
SECTIONS,"SECTIONS",
- ALIGNMENT,"ALIGNMENT",
SIZEOF_HEADERS,"SIZEOF_HEADERS",
NEXT,"NEXT",
SIZEOF,"SIZEOF",
ADDR,"ADDR",
MEMORY,"MEMORY",
- DSECT,"DSECT",
- NOLOAD,"NOLOAD",
- COPY,"COPY",
- INFO,"INFO",
- OVERLAY,"OVERLAY",
+
+
+
+
+
DEFINED,"DEFINED",
TARGET_K,"TARGET",
SEARCH_DIR,"SEARCH_DIR",
diff --git a/ld/ldgram.y b/ld/ldgram.y
index 419c54e..dbdeaa4 100644
--- a/ld/ldgram.y
+++ b/ld/ldgram.y
@@ -88,10 +88,10 @@ boolean ldgram_had_equals = false;
}
-%type <etree> exp opt_exp exp_head
+%type <etree> exp opt_exp
%type <integer> fill_opt opt_block
%type <name> memspec_opt
-%token <integer> INT CHAR
+%token <integer> INT
%token <name> NAME
%type <integer> length
@@ -105,30 +105,32 @@ boolean ldgram_had_equals = false;
%left <token> EQ NE
%left <token> '<' '>' LE GE
%left <token> LSHIFT RSHIFT
+
%left <token> '+' '-'
%left <token> '*' '/' '%'
+
+/*%token <token> '+' '-' '*' '/' '%'*/
%right UNARY
%left <token> '('
%token <token> ALIGN_K BLOCK LONG SHORT BYTE
%token SECTIONS
%token '{' '}'
-%token ALIGNMENT SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH
-%token NEXT SIZEOF ADDR SCRIPT ENDSCRIPT SIZEOF_HEADERS
+%token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH
+%token SIZEOF_HEADERS
%token MEMORY
-%token DSECT NOLOAD COPY INFO OVERLAY
%token NAME DEFINED TARGET_K SEARCH_DIR MAP ENTRY
%token OPTION_e OPTION_c OPTION_noinhibit_exec OPTION_s OPTION_S OPTION_sort_common
%token OPTION_format OPTION_F OPTION_u
-
+%token <integer> SIZEOF NEXT ADDR
%token OPTION_d OPTION_dc OPTION_dp OPTION_x OPTION_X OPTION_defsym
%token OPTION_v OPTION_M OPTION_t STARTUP HLL SYSLIB FLOAT NOFLOAT
-%token OPTION_n OPTION_r OPTION_o OPTION_b OPTION_A OPTION_R
+%token OPTION_n OPTION_r OPTION_o OPTION_b OPTION_R
%token <name> OPTION_l OPTION_L OPTION_T OPTION_Aarch OPTION_Tfile OPTION_Texp
%token OPTION_Ur
%token ORIGIN FILL OPTION_g
-%token LENGTH BIND SUBSECTION_ALIGN CREATE_OBJECT_SYMBOLS INPUT OUTPUT
-%type <token> assign_op SIZEOF NEXT ADDR
-%type <etree> assignment
+%token LENGTH CREATE_OBJECT_SYMBOLS INPUT OUTPUT
+%type <token> assign_op
+
%type <name> filename
%{
@@ -284,7 +286,7 @@ command_line_option:
{
}
NAME '='
- exp_head
+ exp
{
lang_add_assignment(exp_assop($4,$3,$5));
}
@@ -405,12 +407,12 @@ statement:
lang_add_attribute(lang_object_symbols_statement_enum); }
| statement input_section_spec
- | statement length '(' exp_head ')'
+ | statement length '(' exp ')'
{
lang_add_data($2,$4);
}
- | statement FILL '(' exp_head ')'
+ | statement FILL '(' exp ')'
{
lang_add_fill
(exp_get_value_int($4,
@@ -431,7 +433,7 @@ length:
;
fill_opt:
- '=' exp_head
+ '=' exp
{
$$ = exp_get_value_int($2,
0,
@@ -468,12 +470,11 @@ end: ';' | ','
assignment:
-
- NAME '=' exp_head
+ NAME '=' exp
{
lang_add_assignment(exp_assop($2,$1,$3));
}
- | NAME assign_op exp_head
+ | NAME assign_op exp
{
lang_add_assignment(exp_assop('=',$1,exp_binop($2,exp_nameop(NAME,$1),$3)));
}
@@ -657,18 +658,18 @@ opt_things:
}
;
-exp_head:
- exp { $$ = $1; }
- ;
+
+
+
opt_exp:
- exp_head
+ exp
{ $$ = $1; }
| { $$= (etree_type *)NULL; }
;
opt_block:
- BLOCK '(' exp_head ')'
+ BLOCK '(' exp ')'
{ $$ = exp_get_value_int($3,
1L,
"block",
diff --git a/ld/ldlex.l b/ld/ldlex.l
index b1b9619..7d50ccd 100644
--- a/ld/ldlex.l
+++ b/ld/ldlex.l
@@ -68,11 +68,8 @@ keyword_type keywords[] =
"BLOCK",BLOCK,
"LENGTH",LENGTH,
"ALIGN",ALIGN_K,
-"SUBSECTION_ALIGN",SUBSECTION_ALIGN,
"ADDR",ADDR,
"ENTRY",ENTRY,
-"SCRIPT", SCRIPT,
-"ENDSCRIPT", ENDSCRIPT,
"NEXT",NEXT,
"sizeof_headers",SIZEOF_HEADERS,
"SIZEOF_HEADERS",SIZEOF_HEADERS,