Changeset 96015 in vbox

Timestamp:

Aug 4, 2022 1:50:27 AM (3 years ago)

Author:

vboxsync

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

152809

Message:

iprt/asmdefs.mac: Fixed trouble with emitting weak aliases (RT_WITH_NOCRT_ALIASES) for fabs in ELF mode. Also added RT_WITH_NOCRT_UNDERSCORE_ALIASES to enable emitting an additional underscore prefixed alias. bugref:10261

File:

• trunk/include/iprt/asmdefs.mac (modified) (3 diffs)

trunk/include/iprt/asmdefs.mac

@@ -460 +460 @@
 
 
+;;
+; Define a label as given, with a '$' prepended to permit using instruction
+; names like fdiv as labels.
+%macro SAFE_LABEL 1
+$%1:
+%endmacro
 
 ;;
@@ -467 +473 @@
 global NAME(%1)
 %endif
-NAME(%1):
+SAFE_LABEL NAME(%1)
 %endmacro
 
@@ -1114 +1120 @@
 BEGINPROC_EXPORTED RT_NOCRT(%1)
   %ifdef ASM_FORMAT_ELF
-global NAME(%1)
+   %ifdef RT_WITH_NOCRT_UNDERSCORE_ALIASES
+global NAME(_ %+ %1):function
+weak NAME(_ %+ %1)
+SAFE_LABEL NAME(_ %+ %1)
+   %endif
+global NAME(%1):function
 weak NAME(%1)
-NAME(%1):
+SAFE_LABEL NAME(%1)
   %else
 GLOBALNAME %1