On 6/1/18 12:34 PM, Alexander Kanavin wrote:
On 06/01/2018 09:33 PM, Khem Raj wrote:
The .s file is not generated and it does not contain any .file
directives. The .o file also does not contain the path. It appears in
the final .so library at linking stage.
Can you share the linker cmdline ?
https://pastebin.com/WK9GVDfj
Note that of the three assembly-generated object files, only the path to
the first shows up in the .so - because of assembly labels I believe.
Thanks for sharing this. If there is a no file directive in an object
file then linker will use whatever is specified on linker cmdline so
thats what we see, We should define FILE symbol explicitly for .S files
here, for C/C++ files compiler does that automatically.
Other files dont make a claim in final symbol table since this one file
alone has cross referencing to symbols from other objects.
Something like this will help
Index: boost_1_67_0/libs/context/src/asm/make_i386_sysv_elf_gas.S
===================================================================
--- boost_1_67_0.orig/libs/context/src/asm/make_i386_sysv_elf_gas.S
+++ boost_1_67_0/libs/context/src/asm/make_i386_sysv_elf_gas.S
@@ -23,7 +23,7 @@
*
----------------------------------------------------------------------------------
*
*
*
****************************************************************************************/
-
+.file "make_i386_sysv_elf_gas.S"
.text
.globl make_fcontext
.align 2
Index: boost_1_67_0/libs/context/src/asm/make_x86_64_sysv_elf_gas.S
===================================================================
--- boost_1_67_0.orig/libs/context/src/asm/make_x86_64_sysv_elf_gas.S
+++ boost_1_67_0/libs/context/src/asm/make_x86_64_sysv_elf_gas.S
@@ -23,7 +23,7 @@
*
----------------------------------------------------------------------------------
*
*
*
****************************************************************************************/
-
+.file "make_x86_64_sysv_elf_gas.S"
.text
.globl make_fcontext
.type make_fcontext,@function
Alex
--
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