Changeset 108256 in vbox

Timestamp:

Feb 17, 2025 11:17:28 AM (4 weeks ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

167578

Message:

iprt/asmdefs.mac: ELF .data & .text (BEGINCONST) section alignment fixes for yasm.

File:

• trunk/include/iprt/asmdefs.mac (modified) (2 diffs)

trunk/include/iprt/asmdefs.mac

@@ -752 +752 @@
 
 ;
-; Do OMF and Mach-O/Yasm segment definitions
-;
-; Both format requires this to get the segment order right, in the Mach-O/Yasm case
-; it's only to make sure the .bss section ends up last (it's not declared here).
+; Do OMF, Mach-O/Yasm and ELF/Yasm segment definitions.
+;
+; For OMF and Mach-O it is to get the segment order right. For Mach-O it's only
+; to make sure the .bss section ends up last (it's not declared here).
+;
+; Neither Mach-O nor ELF have data alignments propagated to the section
+; alignment, so we have to explictly set the .data section and .rodata/.text
+; alignments here to 16 bytes to ensure we can cope with most stuff.
+; TODO: Check what nasm does!
 ;
 %ifdef ASM_FORMAT_OMF
@@ -808 +813 @@
 %ifdef ASM_FORMAT_MACHO
  %ifdef __YASM__
-  section .text
-  section .data align=16
-  section .rodata align=16
+  %ifndef RT_NOINC_SEGMENTS
+   section .text
+   section .data   align=16
+   section .rodata align=16
+  %endif
+ %endif
+%endif
+
+%ifdef ASM_FORMAT_ELF
+ %ifdef __YASM__
+  %ifndef RT_NOINC_SEGMENTS
+   section .text align=16
+   section .data align=16
+  %endif
  %endif
 %endif