[nasm:master] Elf64: Implement segalign handler

[nasm-bot f. C. G. <gor...@gm...>]

Commit-ID:  c56a7a2c82508720bf9c758840e0bc356eb55aae
Gitweb:     http://repo.or.cz/w/nasm.git?a=commitdiff;h=c56a7a2c82508720bf9c758840e0bc356eb55aae
Author:     Cyrill Gorcunov <gor...@gm...>
AuthorDate: Wed, 21 Apr 2010 01:15:28 +0400
Committer:  Cyrill Gorcunov <gor...@gm...>
CommitDate: Wed, 21 Apr 2010 01:15:28 +0400

Elf64: Implement segalign handler

Signed-off-by: Cyrill Gorcunov <gor...@gm...>


---
 output/outelf64.c |   20 +++++++++++++++++++-
 1 files changed, 19 insertions(+), 1 deletions(-)

diff --git a/output/outelf64.c b/output/outelf64.c
index 3ea96de..c7baf4f 100644
--- a/output/outelf64.c
+++ b/output/outelf64.c
@@ -1405,6 +1405,24 @@ static void elf_sect_writeaddr(struct Section *sect, int64_t data, size_t len)
     sect->len += len;
 }
 
+static void elf_segalign(int32_t seg, int value)
+{
+    struct Section *s = NULL;
+    int i;
+
+    for (i = 0; i < nsects; i++) {
+        if (sects[i]->index == seg) {
+            s = sects[i];
+            break;
+        }
+    }
+    if (!s || !is_power2(value))
+        return;
+
+    if ((unsigned int)value > s->align)
+        s->align = value;
+}
+
 static int32_t elf_segbase(int32_t segment)
 {
     return segment;
@@ -1501,7 +1519,7 @@ struct ofmt of_elf64 = {
     elf_out,
     elf_deflabel,
     elf_section_names,
-    null_segalign,
+    elf_segalign,
     elf_segbase,
     elf_directive,
     elf_filename,