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Prefix EXTERN_ASM to global variables to match them to an extern prefix of C.

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30512 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
komh 2010-02-05 11:00:59 +00:00
parent 788b356377
commit 2762207eed
1 changed files with 28 additions and 22 deletions
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50
loader/wrapper.S
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@ -1,27 +1,33 @@
#include "config.h"
#define GLUE(a, b) a ## b
#define JOIN(a, b) GLUE(a, b)
#define MANGLE(s) JOIN(EXTERN_ASM, s)
.data .data
.globl caller_return .globl MANGLE(caller_return)
caller_return: MANGLE(caller_return):
.long 0 .long 0
.globl report_entry .globl MANGLE(report_entry)
report_entry: MANGLE(report_entry):
.long null_call .long MANGLE(null_call)
.globl report_ret .globl MANGLE(report_ret)
report_ret: MANGLE(report_ret):
.long null_call .long MANGLE(null_call)
.global wrapper_target .global MANGLE(wrapper_target)
wrapper_target: MANGLE(wrapper_target):
.long null_call .long MANGLE(null_call)
.text .text
.globl null_call .globl MANGLE(null_call)
.type null_call, @function .type MANGLE(null_call), @function
.balign 16,0x90 .balign 16,0x90
null_call: MANGLE(null_call):
ret ret
.globl wrapper .globl MANGLE(wrapper)
.type wrapper, @function .type MANGLE(wrapper), @function
.balign 16,0x90 .balign 16,0x90
wrapper: MANGLE(wrapper):
pusha # store registers (EAX, ECX, EDX, EBX, ESP, EBP, ESI, EDI) pusha # store registers (EAX, ECX, EDX, EBX, ESP, EBP, ESI, EDI)
pushf # store flags pushf # store flags
@ -39,7 +45,7 @@ wrapper:
push %eax push %eax
push %edx push %edx
call *report_entry # report entry call *MANGLE(report_entry) # report entry
test %eax, %eax test %eax, %eax
jnz .Ldone jnz .Ldone
@ -48,14 +54,14 @@ wrapper:
popf # restore flags popf # restore flags
popa # restore registers popa # restore registers
popl caller_return # switch return addresses popl MANGLE(caller_return) # switch return addresses
pushl $.Lwrapper_return pushl $.Lwrapper_return
jmp *wrapper_target # wrapper_target should return at .Lwrapper_return jmp *MANGLE(wrapper_target) # wrapper_target should return at .Lwrapper_return
.balign 16, 0x90 .balign 16, 0x90
.Lwrapper_return: .Lwrapper_return:
pushl caller_return # restore the original return address pushl MANGLE(caller_return) # restore the original return address
pusha # more for reference sake here pusha # more for reference sake here
pushf pushf
@ -73,7 +79,7 @@ wrapper:
push %eax push %eax
push %edx push %edx
call *report_ret # report the return information (same args) call *MANGLE(report_ret) # report the return information (same args)
.Ldone: .Ldone:
leave leave