X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/a90d420cbe87490c844ae422c966e746d3134b07..bd6d65e32b835551677456bf286d09ced6859882:/base/regdump.h

diff --git a/base/regdump.h b/base/regdump.h
index 3ada7eac..e0568202 100644
--- a/base/regdump.h
+++ b/base/regdump.h
@@ -135,6 +135,7 @@ union gp64 { uint64 u64; int64 i64; PTR64 };
 #define   REGSRC_SIMD	0x04000000	/* SIMD vector register */
 #define   REGSRC_STMMX	0x05000000	/* x86-specific: x87/MMX register */
 #define   REGSRC_SEG	0x06000000	/* x86-specific: segment register */
+#define   REGSRC_NONE	0x0f000000	/* just a message */
 /* Where to find the values. */
 
 #define REGF_WDMASK	0xf0000000
@@ -432,6 +433,17 @@ DO8(REGDEF_SIMD)
 	lea	SP, [SP + REGDUMP_SPADJ]
 .endm
 
+.macro	_nilbase
+#  if CPUFAM_X86
+	xor	eax, eax
+	mov	[SP + 0], eax
+#  elif ABI_SYSV
+	xor	edi, edi
+#  elif ABI_WIN
+	xor	ecx, ecx
+#  endif
+.endm
+
 .macro	_regbase
 #  if CPUFAM_X86
 	mov	[SP + 0], BP
@@ -625,6 +637,10 @@ DO16(REGDEF_NEONQ)
 	add	r13, r13, #REGDUMP_GPSIZE
 .endm
 
+.macro	_nilbase
+	mov	r0, #0
+.endm
+
 .macro	_regbase
 	mov	r0, r5
 .endm
@@ -776,6 +792,10 @@ DO32(REGDEF_FP)
 	add	sp, sp, #REGDUMP_GPSIZE
 .endm
 
+.macro	_nilbase
+	mov	x0, #0
+.endm
+
 .macro	_regbase
 	mov	x0, x21
 .endm
@@ -889,6 +909,15 @@ extern void regdump_freshline(void);
 	_rstrregs
 .endm
 
+.macro	msg	lbl
+	_saveregs
+	_nilbase
+	_reglbl	"\lbl"
+	_regfmt	REGSRC_NONE | (1 << REGF_WDSHIFT)
+	callext	F(regdump)
+	_rstrregs
+.endm
+
 .macro	reg	lbl, rn, fmt=0
 	_saveregs
 	_regbase