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More ppc64-linux function replacement/wrapping stuff.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5536
This commit is contained in:
Julian Seward 2006-01-17 02:21:09 +00:00
parent f0d678baab
commit 5e2f451da8
2 changed files with 13 additions and 0 deletions
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5
coregrind/m_trampoline.S
View File

@ -302,6 +302,11 @@ VG_(trampoline_stuff_end):
.global VG_(trampoline_stuff_start)
VG_(trampoline_stuff_start):
/* See comment in pub_core_trampoline.h for what this is for */
.global VG_(ppc64_linux_magic_redirect_return_stub)
VG_(ppc64_linux_magic_redirect_return_stub):
trap
/* this function is written using the "dotless" ABI convention */
.align 2
.globl VG_(ppc64_linux_REDIR_FOR_strlen)

8
coregrind/pub_core_trampoline.h
View File

@ -69,6 +69,14 @@ extern void* VG_(ppc32_linux_REDIR_FOR_strchr)( void*, Int );
#if defined(VGP_ppc64_linux)
extern UInt VG_(ppc64_linux_REDIR_FOR_strlen)( void* );
extern void* VG_(ppc64_linux_REDIR_FOR_strchr)( void*, Int );
/* A label (sans dot) marking the ultra-magical return stub via which
all redirected and wrapped functions are made to "return" on
ppc64-linux. The one insn at this label is never really
translated. Instead, m_translate generates IR to restore the
thread's LR and R2 registers from a small stack in the ppc64 guest
state structure, and then branch to LR. Convoluted? Confusing?
You betcha. Could I think of anything simpler? No. */
extern void VG_(ppc64_linux_magic_redirect_return_stub);
#endif
#endif // __PUB_CORE_TRAMPOLINE_H