Macintosh-Tools/macemu
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Post-merge fixups: machine state wrappers, Apple assembler perticularities.

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This commit is contained in:
gbeauche 2004-01-18 22:59:06 +00:00
parent 0665ab1139
commit 324fba4137
3 changed files with 25 additions and 16 deletions
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8
SheepShaver/src/Unix/Linux/asm_linux.S
View File

@ -566,19 +566,19 @@ C_SYMBOL_NAME(execute_68k):
* uint32 call_macos1(uint32 tvect{r3}, uint32 arg1{r4}) ... - Call MacOS routines
*/
.macro prolog
ASM_MACRO_START prolog
mflr r0
stw r0,4(r1)
stwu r1,-64(r1)
.endm
ASM_MACRO_END
.macro epilog
ASM_MACRO_START epilog
lwz r13,XLM_TOC(0)
lwz r0,64+4(r1)
mtlr r0
addi r1,r1,64
blr
.endm
ASM_MACRO_END
ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(call_macos)
C_SYMBOL_NAME(call_macos):

18
SheepShaver/src/Unix/main_unix.cpp
View File

@ -165,6 +165,9 @@ struct sigregs {
};
#if defined(__linux__)
#include <sys/ucontext.h>
#define MACHINE_REGISTERS(scp) ((machine_regs *)(((ucontext_t *)scp)->uc_mcontext.regs))
struct machine_regs : public pt_regs
{
u_long & cr() { return pt_regs::ccr; }
@ -179,12 +182,15 @@ struct machine_regs : public pt_regs
u_long & gpr(int i) { return pt_regs::gpr[i]; }
uint32 gpr(int i) const { return pt_regs::gpr[i]; }
};
#include <sys/ucontext.h>
#define MACHINE_REGISTERS(scp) ((machine_regs *)(((ucontext_t *)scp)->uc_mcontext.regs))
#endif
#if defined(__APPLE__) && defined(__MACH__)
#include <sys/signal.h>
extern "C" int sigaltstack(const struct sigaltstack *ss, struct sigaltstack *oss);
#include <sys/ucontext.h>
#define MACHINE_REGISTERS(scp) ((machine_regs *)(((ucontext_t *)scp)->uc_mcontext))
struct machine_regs : public mcontext
{
uint32 & cr() { return ss.cr; }
@ -199,12 +205,6 @@ struct machine_regs : public mcontext
uint32 & gpr(int i) { return (&ss.r0)[i]; }
uint32 gpr(int i) const { return (&ss.r0)[i]; }
};
#include <sys/ucontext.h>
#define MACHINE_REGISTERS(scp) ((machine_regs *)(((ucontext_t *)scp)->uc_mcontext))
#include <sys/signal.h>
extern "C" int sigaltstack(const struct sigaltstack *ss, struct sigaltstack *oss);
#endif
static void build_sigregs(sigregs *srp, machine_regs *mrp)

15
SheepShaver/src/Unix/ppc_asm.tmpl
View File

@ -1,11 +1,20 @@
#if (defined(__APPLE__) && defined(__MACH__))
#define C_SYMBOL_NAME(X) _ ## X
#define C_SYMBOL_NAME(NAME) _ ## NAME
#define ASM_MACRO_END .endmacro
#endif
/* Defaults for GNU assembler */
#ifndef ASM_MACRO_START
#define ASM_MACRO_START .macro
#endif
#ifndef ASM_MACRO_END
#define ASM_MACRO_END .endm
#endif
#ifndef C_SYMBOL_NAME
#define C_SYMBOL_NAME(X) X
#define C_SYMBOL_NAME(NAME) NAME
#endif
#ifndef ASM_GLOBAL_DIRECTIVE
#define ASM_GLOBAL_DIRECTIVE .globl
#define ASM_GLOBAL_DIRECTIVE .globl
#endif
/* Register names */