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* [binutils-gdb] libsframe/doc: fix some warnings
@ 2023-01-24 18:18 Indu Bhagat
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From: Indu Bhagat @ 2023-01-24 18:18 UTC (permalink / raw)
To: bfd-cvs, gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=436bcab71269514af77e689af678022686f0f778
commit 436bcab71269514af77e689af678022686f0f778
Author: Indu Bhagat <indu.bhagat@oracle.com>
Date: Tue Jan 24 10:07:13 2023 -0800
libsframe/doc: fix some warnings
'make pdf' in libsframe shows some warnings, some of which (especially
the Overfull warnings) are causing undesirable effects on the rendered
output. Few examples of the warnings:
Underfull \hbox (badness 10000) in paragraph at lines 406--407
@texttt pauth_
Underfull \hbox (badness 10000) in paragraph at lines 407--410
@textrm Specify which key is used for signing the return
...
Overfull \hbox (2.0987pt too wide) in paragraph at lines 412--413
@texttt fdetype[]|
...
Overfull \hbox (28.87212pt too wide) in paragraph at lines 446--447
@textrm SFRAME[]FDE[]TYPE[]PCMASK|
...
This patch adjusts column widths of the affected cells to fix a subset
of these warnings. For the rest of the warnings, use explicit newline
command to fix them.
libsframe/
* doc/sframe-spec.texi: Fix various underfull and overfull
warnings.
Diff:
---
libsframe/doc/sframe-spec.texi | 26 +++++++++++++++++---------
1 file changed, 17 insertions(+), 9 deletions(-)
diff --git a/libsframe/doc/sframe-spec.texi b/libsframe/doc/sframe-spec.texi
index 7b647c1a98f..175c622f85d 100644
--- a/libsframe/doc/sframe-spec.texi
+++ b/libsframe/doc/sframe-spec.texi
@@ -243,7 +243,7 @@ must be the end of the auxilliary SFrame header, if the latter is present.
Tieing it all together:
-@multitable {Offset} {@code{int8_t sfh_cfa_fixed_fp_offset}} {The ABI/arch identifier. See above}
+@multitable {Offset} {@code{int8_t sfh_cfa_fixed_fp_offset}} {The number of SFrame FREs in the section.}
@headitem Offset @tab Name @tab Description
@item 0x00
@tab @code{sframe_preamble sfh_preamble}
@@ -396,7 +396,7 @@ used for the function.
The info word is a bitfield split into three parts. From MSB to LSB:
-@multitable {Bit offset} {@code{isroot}} {Length of variable-length data for this type (some kinds only).}
+@multitable {Bit offset} {@code{pauth_key}} {Specify which key is used for signing the return addresses}
@headitem Bit offset @tab Name @tab Description
@item 7--6
@tab @code{unused}
@@ -405,12 +405,16 @@ The info word is a bitfield split into three parts. From MSB to LSB:
@item 5
@tab @code{pauth_key}
@tab Specify which key is used for signing the return addresses in the SFrame
-FDE. Two possible values: SFRAME_AARCH64_PAUTH_KEY_A (0) or
+FDE. Two possible values: @*
+SFRAME_AARCH64_PAUTH_KEY_A (0), or @*
SFRAME_AARCH64_PAUTH_KEY_B (1).
@item 4
@tab @code{fdetype}
-@tab SFRAME_FDE_TYPE_PCMASK (1) or SFRAME_FDE_TYPE_PCINC (0). @xref{The SFrame FDE types}.
+@tab Specify the SFrame FDE type. Two possible values: @*
+SFRAME_FDE_TYPE_PCMASK (1), or @*
+SFRAME_FDE_TYPE_PCINC (0). @*
+@xref{The SFrame FDE types}.
@item 0--3
@tab @code{fretype}
@@ -437,14 +441,16 @@ useful for the cases where a small pattern of instructions in a program stub is
used repeatedly for a specific functionality. Typical usecases are pltN
entries and trampolines.
-@multitable {Name of SFrame FDE type} {Value} {Unwinders perform a (PC >= FRE_START_ADDR)}
+@multitable {SFRAME_FDE_TYPE_PCMASK} {Value} {Unwinders perform a Unwinders perform a}
@headitem Name of SFrame FDE type @tab Value @tab Description
@item SFRAME_FDE_TYPE_PCINC
-@tab 0 @tab Unwinders perform a (PC >= FRE_START_ADDR) to look up a matching FRE.
+@tab 0 @tab Unwinders perform a @*
+(PC >= FRE_START_ADDR) to look up a matching FRE.
@item SFRAME_FDE_TYPE_PCMASK
-@tab 1 @tab Unwinders perform a (PC & FRE_START_ADDR_AS_MASK >= FRE_START_ADDR_AS_MASK)
+@tab 1 @tab Unwinders perform a @*
+(PC & FRE_START_ADDR_AS_MASK >= FRE_START_ADDR_AS_MASK)
to look up a matching FRE.
@end multitable
@@ -577,8 +583,10 @@ The SFrame FRE info word is a bitfield split into four parts. From MSB to LSB:
@item 5-6
@tab @code{fre_offset_size}
-@tab Size of stack offsets in bytes. Valid values are SFRAME_FRE_OFFSET_1B,
-SFRAME_FRE_OFFSET_2B, and SFRAME_FRE_OFFSET_4B.
+@tab Size of stack offsets in bytes. Valid values are: @*
+SFRAME_FRE_OFFSET_1B, @*
+SFRAME_FRE_OFFSET_2B, and @*
+SFRAME_FRE_OFFSET_4B.
@item 1-4
@tab @code{fre_offset_count}
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