amd64: small changes w.r.t. stack alignment.

[libfirm] / ir / be / begnuas.c

diff --git a/ir/be/begnuas.c b/ir/be/begnuas.c
index e3d78e5..98557f0 100644 (file)
--- a/ir/be/begnuas.c
+++ b/ir/be/begnuas.c
@@ -102,6 +102,55 @@ static void emit_section_macho(be_gas_section_t section)
        }
 }
 
+static void emit_section_sparc(be_gas_section_t section, const ir_entity *entity)
+{
+       be_gas_section_t base = section & GAS_SECTION_TYPE_MASK;
+       be_gas_section_t flags = section & ~GAS_SECTION_TYPE_MASK;
+       static const char *const basename[] = {
+               "text", "data", "rodata", "bss", "ctors", "dtors"
+       };
+
+       if (current_section == section && !(section & GAS_SECTION_FLAG_COMDAT))
+               return;
+       current_section = section;
+
+       be_emit_cstring("\t.section\t\".");
+
+       /* Part1: section-name */
+       if (flags & GAS_SECTION_FLAG_TLS)
+               be_emit_char('t');
+       assert(base < sizeof(basename)/sizeof(basename[0]));
+       be_emit_string(basename[base]);
+
+       if (flags & GAS_SECTION_FLAG_COMDAT) {
+               be_emit_char('.');
+               be_gas_emit_entity(entity);
+       }
+       be_emit_char('"');
+
+       /* for the simple sections we're done here */
+       if (flags == 0)
+               goto end;
+
+       be_emit_cstring(",#alloc");
+
+       switch (base) {
+       case GAS_SECTION_TEXT: be_emit_cstring(",#execinstr"); break;
+       case GAS_SECTION_DATA:
+       case GAS_SECTION_BSS:  be_emit_cstring(",#write"); break;
+       default:
+               /* nothing */
+               break;
+       }
+       if (flags & GAS_SECTION_FLAG_TLS) {
+               be_emit_cstring(",#tls");
+       }
+
+end:
+       be_emit_char('\n');
+       be_emit_write_line();
+}
+
 static void emit_section(be_gas_section_t section, const ir_entity *entity)
 {
        be_gas_section_t base = section & GAS_SECTION_TYPE_MASK;
@@ -116,6 +165,9 @@ static void emit_section(be_gas_section_t section, const ir_entity *entity)
        if (be_gas_object_file_format == OBJECT_FILE_FORMAT_MACH_O) {
                emit_section_macho(section);
                return;
+       } else if(be_gas_object_file_format == OBJECT_FILE_FORMAT_ELF_SPARC) {
+               emit_section_sparc(section, entity);
+               return;
        }
 
        if (current_section == section && !(section & GAS_SECTION_FLAG_COMDAT))
@@ -169,9 +221,12 @@ static void emit_section(be_gas_section_t section, const ir_entity *entity)
                be_emit_char('T');
        if (flags & GAS_SECTION_FLAG_COMDAT)
                be_emit_char('G');
-       be_emit_cstring("\",");
-       be_emit_char(be_gas_elf_type_char);
-       be_emit_string(type[base]);
+       /* section type */
+       if (be_gas_object_file_format != OBJECT_FILE_FORMAT_COFF) {
+               be_emit_cstring("\",");
+               be_emit_char(be_gas_elf_type_char);
+               be_emit_string(type[base]);
+       }
 
        if (flags & GAS_SECTION_FLAG_COMDAT) {
                be_emit_char(',');
@@ -182,6 +237,8 @@ static void emit_section(be_gas_section_t section, const ir_entity *entity)
        be_emit_write_line();
 }
 
+
+
 void be_gas_emit_switch_section(be_gas_section_t section)
 {
        /* you have to produce a switch_section call with entity manually
@@ -335,6 +392,7 @@ static bool entity_is_null(const ir_entity *entity)
        } else if (entity_has_compound_ent_values(entity)) {
                /* I'm too lazy to implement this case as compound graph paths will be
                 * remove anyway in the future */
+               return false;
        }
        /* uninitialized, NULL is fine */
        return true;
@@ -395,6 +453,11 @@ static be_gas_section_t determine_section(be_gas_decl_env_t *env,
                return section | GAS_SECTION_FLAG_TLS;
        }
 
+       /* the java frontend keeps some functions inside classes */
+       if (is_Class_type(owner)) {
+               return determine_basic_section(entity);
+       }
+
        panic("Couldn't determine section for %+F?!?", entity);
 }
 
@@ -461,6 +524,7 @@ void be_gas_emit_function_prolog(const ir_entity *entity, unsigned po2alignment)
 
        switch (be_gas_object_file_format) {
        case OBJECT_FILE_FORMAT_ELF:
+       case OBJECT_FILE_FORMAT_ELF_SPARC:
                be_emit_cstring("\t.type\t");
                be_gas_emit_entity(entity);
                be_emit_cstring(", ");
@@ -1307,6 +1371,7 @@ static void emit_common(const ir_entity *entity)
                be_emit_write_line();
                return;
        case OBJECT_FILE_FORMAT_ELF:
+       case OBJECT_FILE_FORMAT_ELF_SPARC:
                be_emit_cstring("\t.comm ");
                be_gas_emit_entity(entity);
                be_emit_irprintf(",%u,%u\n", size, alignment);
@@ -1339,6 +1404,7 @@ static void emit_local_common(const ir_entity *entity)
                be_emit_write_line();
                return;
        case OBJECT_FILE_FORMAT_ELF:
+       case OBJECT_FILE_FORMAT_ELF_SPARC:
                be_emit_cstring("\t.local ");
                be_gas_emit_entity(entity);
                be_emit_cstring("\n");
@@ -1382,9 +1448,7 @@ static void emit_indirect_symbol(const ir_entity *entity, be_gas_section_t secti
 
 char const *be_gas_get_private_prefix(void)
 {
-       return
-               be_gas_object_file_format == OBJECT_FILE_FORMAT_MACH_O ? "L" :
-               ".L";
+       return be_gas_object_file_format == OBJECT_FILE_FORMAT_MACH_O ? "L" : ".L";
 }
 
 void be_gas_emit_entity(const ir_entity *entity)