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authorIan Lance Taylor <ian@airs.com>1995-10-04 18:05:59 +0000
committerIan Lance Taylor <ian@airs.com>1995-10-04 18:05:59 +0000
commitcd557d83d6184a7cec16e435713abf6d12ab7292 (patch)
treed061ecf26f33c4ac5530a2f26c5a6446edc8750b /gas
parenta7512014c6e61c126e4439c69154f5996b61fc66 (diff)
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* config/tc-ppc.c (ppc_frob_symbol): Don't create an aux entry for
an absolute symbol.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog8
-rw-r--r--gas/config/tc-ppc.c191
2 files changed, 75 insertions, 124 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 844e922..d4182df 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,13 @@
+Wed Oct 4 14:03:39 1995 Ian Lance Taylor <ian@cygnus.com>
+
+ * config/tc-ppc.c (ppc_frob_symbol): Don't create an aux entry for
+ an absolute symbol.
+
Tue Oct 3 12:18:19 1995 Ian Lance Taylor <ian@cygnus.com>
+ * config/tc-m68k.c (isbyte): Accept all values from -65536 to
+ +65535, so ~VAL will not be rejected.
+
* cond.c (s_endif): Call demand_empty_rest_of_line. In MRI mode,
skip characters after the pseudo-op.
(s_else): Likewise.
diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c
index bd09149..0aae674 100644
--- a/gas/config/tc-ppc.c
+++ b/gas/config/tc-ppc.c
@@ -29,6 +29,10 @@
#include "elf/ppc.h"
#endif
+#ifdef TE_PE
+#include "coff/pe.h"
+#endif
+
/* This is the assembler for the PowerPC or POWER (RS/6000) chips. */
/* Tell the main code what the endianness is. */
@@ -320,49 +324,6 @@ reg_name_search (name)
return -1;
}
-static void insert_reg PARAMS ( (char *regname, int regnum) );
-
-static void
-insert_reg (regname, regnum)
- char *regname;
- int regnum;
-{
- char buf[100];
- int i;
-
- symbol_table_insert (
- symbol_new (regname,
- reg_section,
- regnum,
- &zero_address_frag)
- );
-
- for (i = 0; regname[i]; i++)
- {
- buf[i] = islower (regname[i]) ? toupper (regname[i]) : regname[i];
- }
-
- buf[i] = '\0';
-
- symbol_table_insert (
- symbol_new (buf,
- reg_section,
- regnum,
- &zero_address_frag)
- );
-}
-
-static void
-init_regtable ()
-{
- unsigned int i;
-
- for (i = 0; i < REG_NAME_CNT && pre_defined_registers[i].name ; ++i)
- {
- insert_reg (pre_defined_registers[i].name,
- pre_defined_registers[i].value);
- }
-}
#endif
@@ -734,13 +695,6 @@ md_begin ()
#ifdef TE_PE
-#ifndef NO_SYMBOL_NAMES
- /* FIXME: currently, if you enable the names, you cannot have variables
- with the same names as the symbolic register names.
- */
- init_regtable ();
-#endif
-
ppc_current_section = text_section;
ppc_previous_section = 0;
@@ -961,6 +915,55 @@ ppc_elf_validate_fix (fixp, seg)
#endif /* OBJ_ELF */
+#ifdef TE_PE
+/*
+ * Summary of register_name().
+ *
+ * in: Input_line_pointer points to 1st char of operand.
+ *
+ * out: A expressionS.
+ * The operand may have been a register: in this case, X_op == O_register,
+ * X_add_number is set to the register number, and truth is returned.
+ * Input_line_pointer->(next non-blank) char after operand, or is in its
+ * original state.
+ */
+
+static int
+register_name (expressionP)
+ expressionS *expressionP;
+{
+ int reg_number;
+ char *name;
+ char c;
+
+ /* Find the spelling of the operand */
+ name = input_line_pointer;
+ c = get_symbol_end ();
+ reg_number = reg_name_search (name);
+
+ /* look to see if it's in the register table */
+ if (reg_number >= 0)
+ {
+ expressionP->X_op = O_register;
+ expressionP->X_add_number = reg_number;
+
+ /* make the rest nice */
+ expressionP->X_add_symbol = NULL;
+ expressionP->X_op_symbol = NULL;
+ *input_line_pointer = c; /* put back the delimiting char */
+ return 1;
+ }
+ else
+ {
+ /* reset the line as if we had not done anything */
+ *input_line_pointer = c; /* put back the delimiting char */
+ input_line_pointer = name; /* reset input_line pointer */
+ return 0;
+ }
+}
+#endif
+
+
/* We need to keep a list of fixups. We can't simply generate them as
we go, because that would require us to first create the frag, and
that would screw up references to ``.''. */
@@ -1182,7 +1185,10 @@ md_assemble (str)
}
else
{
- expression (&ex);
+ if (!register_name(&ex))
+ {
+ expression (&ex);
+ }
}
str = input_line_pointer;
@@ -2371,50 +2377,10 @@ ppc_tc (ignore)
}
#ifdef TE_PE
-/* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format */
-
-/*
- * Section characteristics
- */
-
-#define IMAGE_SCN_TYPE_NO_PAD 0x00000008 /* Reserved. */
-#define IMAGE_SCN_CNT_CODE 0x00000020 /* Section contains code. */
-#define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 /* Section contains initialized data. */
-#define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 /* Section contains uninitialized data. */
-
-#define IMAGE_SCN_LNK_OTHER 0x00000100 /* Reserved. */
-#define IMAGE_SCN_LNK_INFO 0x00000200 /* Section contains comments or some other type of information. */
-#define IMAGE_SCN_LNK_REMOVE 0x00000800 /* Section contents will not become part of image. */
-#define IMAGE_SCN_LNK_COMDAT 0x00001000 /* Section contents comdat. */
-
-#define IMAGE_SCN_MEM_FARDATA 0x00008000
-
-#define IMAGE_SCN_MEM_PURGEABLE 0x00020000
-#define IMAGE_SCN_MEM_16BIT 0x00020000
-#define IMAGE_SCN_MEM_LOCKED 0x00040000
-#define IMAGE_SCN_MEM_PRELOAD 0x00080000
-
-#define IMAGE_SCN_ALIGN_1BYTES 0x00100000
-#define IMAGE_SCN_ALIGN_2BYTES 0x00200000
-#define IMAGE_SCN_ALIGN_4BYTES 0x00300000
-#define IMAGE_SCN_ALIGN_8BYTES 0x00400000
-#define IMAGE_SCN_ALIGN_16BYTES 0x00500000 /* Default alignment if no others are specified. */
-#define IMAGE_SCN_ALIGN_32BYTES 0x00600000
-#define IMAGE_SCN_ALIGN_64BYTES 0x00700000
-
-
-#define IMAGE_SCN_LNK_NRELOC_OVFL 0x01000000 /* Section contains extended relocations. */
-#define IMAGE_SCN_MEM_DISCARDABLE 0x02000000 /* Section can be discarded. */
-#define IMAGE_SCN_MEM_NOT_CACHED 0x04000000 /* Section is not cachable. */
-#define IMAGE_SCN_MEM_NOT_PAGED 0x08000000 /* Section is not pageable. */
-#define IMAGE_SCN_MEM_SHARED 0x10000000 /* Section is shareable. */
-#define IMAGE_SCN_MEM_EXECUTE 0x20000000 /* Section is executable. */
-#define IMAGE_SCN_MEM_READ 0x40000000 /* Section is readable. */
-#define IMAGE_SCN_MEM_WRITE 0x80000000 /* Section is writeable. */
+/* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format */
/* Set the current section. */
-
static void
ppc_set_current_section (new)
segT new;
@@ -2758,6 +2724,11 @@ ppc_pe_comm(lcomm)
* additions/changes for the moto-pas assembler support. There are three
* categories:
*
+ * FIXME: I just noticed this. This doesn't work at all really. It it
+ * setting bits that bfd probably neither understands or uses. The
+ * correct approach (?) will have to incorporate extra fields attached
+ * to the section to hold the system specific stuff. (krk)
+ *
* Section Contents:
* 'a' - unknown - referred to in documentation, but no definition supplied
* 'c' - section has code
@@ -2852,15 +2823,8 @@ ppc_pe_section (ignore)
case 'R': /* Remove section at link time */
flags |= SEC_NEVER_LOAD;
break;
- /* Section Protection */
-
-#if 0
-#define IMAGE_SCN_MEM_SHARED 0x10000000 /* Section is shareable. */
-#define IMAGE_SCN_MEM_EXECUTE 0x20000000 /* Section is executable. */
-#define IMAGE_SCN_MEM_READ 0x40000000 /* Section is readable. */
-#define IMAGE_SCN_MEM_WRITE 0x80000000 /* Section is writeable. */
-#endif
+ /* Section Protection */
case 'r': /* section is readable */
flags |= IMAGE_SCN_MEM_READ;
break;
@@ -2875,16 +2839,6 @@ ppc_pe_section (ignore)
break;
/* Section Alignment */
-#if 0
-#define IMAGE_SCN_ALIGN_1BYTES 0x00100000
-#define IMAGE_SCN_ALIGN_2BYTES 0x00200000
-#define IMAGE_SCN_ALIGN_4BYTES 0x00300000
-#define IMAGE_SCN_ALIGN_8BYTES 0x00400000
-#define IMAGE_SCN_ALIGN_16BYTES 0x00500000 /* Default alignment if no others are specified. */
-#define IMAGE_SCN_ALIGN_32BYTES 0x00600000
-#define IMAGE_SCN_ALIGN_64BYTES 0x00700000
-#endif
-
case '0': /* align to byte boundary */
flags |= IMAGE_SCN_ALIGN_1BYTES;
align = 0;
@@ -2938,18 +2892,6 @@ ppc_pe_section (ignore)
bfd_errmsg (bfd_get_error ()));
}
-
- /* FIXME: Make sure the winnt alignment bits get set */
-#if 0
-#define IMAGE_SCN_ALIGN_1BYTES 0x00100000
-#define IMAGE_SCN_ALIGN_2BYTES 0x00200000
-#define IMAGE_SCN_ALIGN_4BYTES 0x00300000
-#define IMAGE_SCN_ALIGN_8BYTES 0x00400000
-#define IMAGE_SCN_ALIGN_16BYTES 0x00500000 /* Default alignment if no others are specified. */
-#define IMAGE_SCN_ALIGN_32BYTES 0x00600000
-#define IMAGE_SCN_ALIGN_64BYTES 0x00700000
-#endif
-
bfd_set_section_alignment(stdoutput, sec, align);
}
@@ -3217,8 +3159,9 @@ ppc_frob_symbol (sym)
&& S_GET_SEGMENT (sym) != ppc_coff_debug_section)
S_SET_STORAGE_CLASS (sym, C_HIDEXT);
- if (S_GET_STORAGE_CLASS (sym) == C_EXT
- || S_GET_STORAGE_CLASS (sym) == C_HIDEXT)
+ if ((S_GET_STORAGE_CLASS (sym) == C_EXT
+ || S_GET_STORAGE_CLASS (sym) == C_HIDEXT)
+ && S_GET_SEGMENT (sym) != absolute_section)
{
int i;
union internal_auxent *a;